{"id":84981,"date":"2026-07-26T21:40:35","date_gmt":"2026-07-26T13:40:35","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/84981.html"},"modified":"2026-07-26T21:40:35","modified_gmt":"2026-07-26T13:40:35","slug":"%e3%80%90skywalking%e4%bb%8e%e5%85%a5%e9%97%a8%e5%88%b0%e7%b2%be%e9%80%9a%e3%80%91%e7%ac%ac61%e7%af%87%ef%bc%9a%e6%95%b0%e6%8d%ae%e4%b8%8a%e6%8a%a5%e9%80%9a%e4%bf%a1%e6%89%a9%e5%b1%95","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/84981.html","title":{"rendered":"\u3010SkyWalking\u4ece\u5165\u95e8\u5230\u7cbe\u901a\u3011\u7b2c61\u7bc7\uff1a\u6570\u636e\u4e0a\u62a5\u901a\u4fe1\u6269\u5c55\u2014\u2014\u7528Kafka\u4f20\u8f93Trace\u6570\u636e\u7684\u5b8c\u6574\u5b9e\u6218"},"content":{"rendered":"<p>\u4e0b\u4e00\u7bc7\u3010\u7b2c60\u7bc7\u3011\u63a2\u9488\u6ce8\u518c\u901a\u4fe1\u6269\u5c55\u2014\u2014\u57fa\u4e8eHTTP\u7684SPI\u6ce8\u518c\u5b9e\u73b0\u5b8c\u5168\u6307\u5357 \u4e0a\u4e00\u7bc7\u3010\u7b2c62\u7bc7\u3011\u901a\u4fe1\u6269\u5c55\u6700\u4f73\u5b9e\u8df5\u2014\u2014gRPC\/HTTP\/Kafka\u5168\u666f\u5bf9\u6bd4\u4e0e\u9009\u578b\u51b3\u7b56<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u4e3a\u4ec0\u4e48\u662fKafka&#xff1f;<\/h3>\n<p>\u5148\u95ee\u4e00\u4e2a\u624e\u5fc3\u7684\u95ee\u9898&#xff1a;gRPC\u90a3\u4e48\u597d&#xff0c;\u4e3a\u4ec0\u4e48\u8fd8\u8981\u7528Kafka&#xff1f;<\/p>\n<p>\u7b54\u6848\u53d6\u51b3\u4e8e\u4f60\u7684\u90e8\u7f72\u89c4\u6a21\u548c\u6570\u636e\u91cf\u3002\u6765\u770b\u4e24\u79cd\u5178\u578b\u573a\u666f&#xff1a;<\/p>\n<p>&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n|           \u4e24\u79cd\u901a\u4fe1\u6a21\u5f0f\u7684\u9002\u7528\u573a\u666f                                    |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n|                                                                    |<br \/>\n|  \u573a\u666fA&#xff1a;\u4e2d\u5c0f\u89c4\u6a21&#xff08;&lt;100\u4e2aAgent\u5b9e\u4f8b&#xff09;                                |<br \/>\n|  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                         |<br \/>\n|  \u2502  Agent \u2192 gRPC \u2192 OAP                  \u2502  \u2713 \u7b80\u5355\u76f4\u63a5             |<br \/>\n|  \u2502                                      \u2502  \u2713 \u96f6\u989d\u5916\u7ec4\u4ef6          |<br \/>\n|  \u2502  Agent\u6570\u91cf\u5c11&#xff0c;OAP\u538b\u529b\u53ef\u63a7            \u2502  \u2713 \u5ef6\u8fdf\u4f4e               |<br \/>\n|  \u2502  \u76f4\u63a5gRPC\u901a\u4fe1\u5b8c\u5168\u591f\u7528                \u2502                          |<br \/>\n|  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                         |<br \/>\n|                                                                    |<br \/>\n|  \u573a\u666fB&#xff1a;\u5927\u89c4\u6a21\u90e8\u7f72&#xff08;&gt;500\u4e2aAgent\u5b9e\u4f8b&#xff09;                              |<br \/>\n|  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                         |<br \/>\n|  \u2502  Agent \u2192 Kafka \u2192 OAP                 \u2502  \u2713 \u524a\u5cf0\u586b\u8c37            |<br \/>\n|  \u2502                                      \u2502  \u2713 OAP \u53ef\u6c34\u5e73\u6269\u5c55      |<br \/>\n|  \u2502  Agent\u6570\u91cf\u591a&#xff0c;\u6570\u636e\u91cf\u5927               \u2502  \u2713 \u6d88\u606f\u53ef\u6301\u4e45\u5316        |<br \/>\n|  \u2502  Kafka\u505a\u7f13\u51b2&#xff0c;\u907f\u514dOAP\u88ab\u6253\u7206          \u2502  \u2713 \u6d88\u8d39\u53ef\u56de\u6eaf          |<br \/>\n|  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                         |<br \/>\n|                                                                    |<br \/>\n|  Agent\u6570\u91cf                   \u63a8\u8350\u65b9\u6848                               |<br \/>\n|  \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500                        |<br \/>\n|  1-100            \u76f4\u63a5gRPC                                        |<br \/>\n|  100-500           gRPC &#043; \u9002\u5f53\u8c03\u53c2                                |<br \/>\n|  500-2000          Kafka Reporter                                 |<br \/>\n|  2000&#043;             Kafka &#043; OAP\u96c6\u7fa4 &#043; ES\u96c6\u7fa4                       |<br \/>\n|                                                                    |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<\/p>\n<p>Kafka\u7684\u4f18\u52bf\u5728\u5927\u89c4\u6a21\u573a\u666f\u4e2d\u975e\u5e38\u660e\u663e&#xff1a;<\/p>\n<ul>\n<li>\u89e3\u8026&#xff1a;Agent\u4e0d\u5173\u5fc3OAP\u5728\u4e0d\u5728&#xff0c;\u53ea\u7ba1\u5f80Kafka\u6254\u6570\u636e<\/li>\n<li>\u524a\u5cf0&#xff1a;Trace\u6570\u636e\u6709\u6ce2\u5cf0\u6ce2\u8c37&#xff0c;Kafka\u5929\u7136\u6297\u6ce2\u52a8<\/li>\n<li>\u53ef\u56de\u6eaf&#xff1a;Kafka\u53ef\u6309\u65f6\u95f4\u8303\u56f4\u56de\u653e\u6570\u636e&#xff0c;\u65b9\u4fbf\u6545\u969c\u6392\u67e5<\/li>\n<li>\u53ef\u9760\u6027&#xff1a;Kafka\u7684\u591a\u526f\u672c\u673a\u5236\u4fdd\u8bc1\u6570\u636e\u4e0d\u4e22<\/li>\n<\/ul>\n<h3>\u4e8c\u3001Kafka Reporter\u7684\u6574\u4f53\u67b6\u6784<\/h3>\n<p>&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n|         SkyWalking &#043; Kafka \u6570\u636e\u6d41\u5168\u666f                              |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n|                                                                    |<br \/>\n|  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                                    |<br \/>\n|  \u2502  App JVM 1                \u2502                                    |<br \/>\n|  \u2502  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510  \u2502                                    |<br \/>\n|  \u2502  \u2502 SkyWalking Agent    \u2502  \u2502                                    |<br \/>\n|  \u2502  \u2502 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502  \u2502                                    |<br \/>\n|  \u2502  \u2502 \u2502 Trace Segment   \u2502 \u2502  \u2502                                    |<br \/>\n|  \u2502  \u2502 \u2502 Collector CPU&#061;3 \u2502 \u2502  \u2502                                    |<br \/>\n|  \u2502  \u2502 \u2502 Memory&#061;521MB    \u2502 \u2502  \u2502                                    |<br \/>\n|  \u2502  \u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2502  \u2502                                    |<br \/>\n|  \u2502  \u2502          \u2193          \u2502  \u2502                                    |<br \/>\n|  \u2502  \u2502 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502  \u2502                                    |<br \/>\n|  \u2502  \u2502 \u2502 Kafka Reporter   \u2502 \u2502  \u2502                                    |<br \/>\n|  \u2502  \u2502 \u2502 (KafkaProducer) \u2502 \u2502\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192 Kafka Broker              |<br \/>\n|  \u2502  \u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2502  \u2502         Topic:                     |<br \/>\n|  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518  \u2502         skywalking-segments       |<br \/>\n|  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                                    |<br \/>\n|                                                                    |<br \/>\n|  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                                    |<br \/>\n|  \u2502  App JVM 2                \u2502                                    |<br \/>\n|  \u2502  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510  \u2502                                    |<br \/>\n|  \u2502  \u2502 Kafka Reporter      \u2502\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192 \u540c\u4e0a                       |<br \/>\n|  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518  \u2502                                    |<br \/>\n|  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                                    |<br \/>\n|                                                                    |<br \/>\n|  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                                    |<br \/>\n|  \u2502  App JVM N                \u2502                                    |<br \/>\n|  \u2502  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510  \u2502                                    |<br \/>\n|  \u2502  \u2502 Kafka Reporter      \u2502\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192 \u540c\u4e0a                       |<br \/>\n|  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518  \u2502                                    |<br \/>\n|  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                                    |<br \/>\n|                                                                    |<br \/>\n|  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510             |<br \/>\n|  \u2502  Kafka Cluster                                   \u2502             |<br \/>\n|  \u2502  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510  \u2502             |<br \/>\n|  \u2502  \u2502 Topic: skywalking-segments (Partition x N) \u2502  \u2502             |<br \/>\n|  \u2502  \u2502 Topic: skywalking-metrics                  \u2502  \u2502             |<br \/>\n|  \u2502  \u2502 Topic: skywalking-profilings               \u2502  \u2502             |<br \/>\n|  \u2502  \u2502 Topic: skywalking-managements              \u2502  \u2502             |<br \/>\n|  \u2502  \u2502 Topic: skywalking-logs                     \u2502  \u2502             |<br \/>\n|  \u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518  \u2502             |<br \/>\n|  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518             |<br \/>\n|                         \u2502                                          |<br \/>\n|           \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                           |<br \/>\n|           \u2502             \u2502             \u2502                            |<br \/>\n|           \u2193             \u2193             \u2193                            |<br \/>\n|  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                  |<br \/>\n|  \u2502 OAP Server 1\u2502 \u2502 OAP Server 2\u2502 \u2502 OAP Server 3\u2502                  |<br \/>\n|  \u2502KafkaFetcher \u2502 \u2502KafkaFetcher \u2502 \u2502KafkaFetcher \u2502                  |<br \/>\n|  \u2502Analyzer     \u2502 \u2502Analyzer     \u2502 \u2502Analyzer     \u2502                  |<br \/>\n|  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518                  |<br \/>\n|         \u2502               \u2502               \u2502                          |<br \/>\n|         \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                          |<br \/>\n|                         \u2502                                          |<br \/>\n|                         \u2193                                          |<br \/>\n|                \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                                |<br \/>\n|                \u2502 Elasticsearch    \u2502                                |<br \/>\n|                \u2502 (\u6301\u4e45\u5316\u5b58\u50a8)      \u2502                                |<br \/>\n|                \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                                |<br \/>\n|                                                                    |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<\/p>\n<h3>\u4e09\u3001Agent\u7aef \u2014\u2014 Kafka Reporter\u914d\u7f6e<\/h3>\n<p>SkyWalking 8.x&#043;\u7248\u672c\u5b98\u65b9\u5c31\u5df2\u7ecf\u5185\u7f6e\u4e86Kafka Reporter\u3002\u4f60\u4e0d\u9700\u8981\u81ea\u5df1\u5199\u4ee3\u7801&#xff0c;\u53ea\u9700\u8981\u914d\u7f6e\u5373\u53ef\u3002<\/p>\n<h4>3.1 \u57fa\u7840\u914d\u7f6e<\/h4>\n<p><span class=\"token comment\"># agent\/config\/agent.config<\/span><\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; Kafka Reporter \u914d\u7f6e &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><\/p>\n<p><span class=\"token comment\"># 1. \u6307\u5b9a\u4f7f\u7528Kafka\u4f5c\u4e3aTrace\u6570\u636e\u4e0a\u62a5\u901a\u9053<\/span><br \/>\nplugin.kafka.topic_segment&#061;skywalking<span class=\"token punctuation\">&#8211;<\/span>segments<\/p>\n<p><span class=\"token comment\"># 2. Kafka\u96c6\u7fa4\u5730\u5740<\/span><br \/>\nplugin.kafka.bootstrap_servers&#061;127.0.0.1<span class=\"token punctuation\">:<\/span><span class=\"token number\">9092<\/span><span class=\"token punctuation\">,<\/span>127.0.0.1<span class=\"token punctuation\">:<\/span><span class=\"token number\">9093<\/span><span class=\"token punctuation\">,<\/span>127.0.0.1<span class=\"token punctuation\">:<\/span><span class=\"token number\">9094<\/span><\/p>\n<p><span class=\"token comment\"># 3. \u5176\u4ed6\u6570\u636e\u7c7b\u578b\u4e5f\u8d70Kafka<\/span><br \/>\nplugin.kafka.topic_metrics&#061;skywalking<span class=\"token punctuation\">&#8211;<\/span>metrics<br \/>\nplugin.kafka.topic_profilings&#061;skywalking<span class=\"token punctuation\">&#8211;<\/span>profilings<br \/>\nplugin.kafka.topic_managements&#061;skywalking<span class=\"token punctuation\">&#8211;<\/span>managements<br \/>\nplugin.kafka.topic_logs&#061;skywalking<span class=\"token punctuation\">&#8211;<\/span>logs<\/p>\n<p><span class=\"token comment\"># 4. Producer\u914d\u7f6e<\/span><br \/>\nplugin.kafka.producer_config.max_request_size&#061;104857600  <span class=\"token comment\"># 100MB<\/span><br \/>\nplugin.kafka.producer_config.batch_size&#061;16384<br \/>\nplugin.kafka.producer_config.linger_ms&#061;10<br \/>\nplugin.kafka.producer_config.compression_type&#061;lz4<br \/>\nplugin.kafka.producer_config.acks&#061;<span class=\"token punctuation\">&#8211;<\/span><span class=\"token number\">1<\/span>                   <span class=\"token comment\"># all replicas<\/span><br \/>\nplugin.kafka.producer_config.retries&#061;3<br \/>\nplugin.kafka.producer_config.max_in_flight_requests_per_connection&#061;1<\/p>\n<p><span class=\"token comment\"># 5. \u547d\u540d\u7a7a\u95f4&#xff08;\u591a\u73af\u5883\u9694\u79bb&#xff09;<\/span><br \/>\nplugin.kafka.namespace&#061;production<\/p>\n<h4>3.2 \u9ad8\u7ea7\u751f\u4ea7\u914d\u7f6e\u8be6\u89e3<\/h4>\n<p><span class=\"token comment\"># Kafka Producer \u5b8c\u6574\u8c03\u4f18\u53c2\u6570<\/span><br \/>\n<span class=\"token key atrule\">plugin.kafka.producer_config<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token comment\"># &#061;&#061;&#061; \u53ef\u9760\u6027 &#061;&#061;&#061;<\/span><br \/>\n  <span class=\"token key atrule\">acks<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;all&#034;<\/span>                    <span class=\"token comment\"># \u7b49\u5f85\u6240\u6709\u526f\u672c\u786e\u8ba4&#xff08;\u6700\u9ad8\u53ef\u9760&#xff09;<\/span><br \/>\n  <span class=\"token key atrule\">retries<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">2147483647<\/span>            <span class=\"token comment\"># \u6700\u5927\u91cd\u8bd5\u6b21\u6570<\/span><br \/>\n  <span class=\"token key atrule\">enable.idempotence<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token boolean important\">true<\/span>       <span class=\"token comment\"># \u5e42\u7b49\u751f\u4ea7&#xff08;\u9632\u6b62\u91cd\u590d&#xff09;<\/span><\/p>\n<p>  <span class=\"token comment\"># &#061;&#061;&#061; \u6027\u80fd &#061;&#061;&#061;<\/span><br \/>\n  <span class=\"token key atrule\">batch.size<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">131072<\/span>             <span class=\"token comment\"># \u6279\u6b21\u5927\u5c0f&#xff08;128KB&#xff09;<\/span><br \/>\n  <span class=\"token key atrule\">linger.ms<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">5<\/span>                   <span class=\"token comment\"># \u6279\u6b21\u7b49\u5f85\u65f6\u95f4<\/span><br \/>\n  <span class=\"token key atrule\">buffer.memory<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">67108864<\/span>        <span class=\"token comment\"># \u7f13\u51b2\u533a\u5927\u5c0f&#xff08;64MB&#xff09;<\/span><br \/>\n  <span class=\"token key atrule\">compression.type<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;lz4&#034;<\/span>        <span class=\"token comment\"># \u538b\u7f29\u7b97\u6cd5&#xff08;lz4\/snappy\/gzip&#xff09;<\/span><\/p>\n<p>  <span class=\"token comment\"># &#061;&#061;&#061; \u8d85\u65f6 &#061;&#061;&#061;<\/span><br \/>\n  <span class=\"token key atrule\">request.timeout.ms<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">30000<\/span>      <span class=\"token comment\"># \u8bf7\u6c42\u8d85\u65f6<\/span><br \/>\n  <span class=\"token key atrule\">delivery.timeout.ms<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">120000<\/span>    <span class=\"token comment\"># \u6295\u9012\u8d85\u65f6<\/span><br \/>\n  <span class=\"token key atrule\">max.block.ms<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">60000<\/span>           <span class=\"token comment\"># \u7f13\u51b2\u533a\u6ee1\u65f6\u7684\u963b\u585e\u65f6\u95f4<\/span><\/p>\n<h4>3.3 Kafka Reporter\u7684\u5b9e\u73b0\u539f\u7406<\/h4>\n<p><span class=\"token comment\">\/\/ Kafka Reporter\u7684\u6838\u5fc3\u903b\u8f91&#xff08;\u7b80\u5316\u81eaSkyWalking\u6e90\u7801&#xff09;<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">KafkaTraceSegmentServiceClient<\/span><br \/>\n        <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">TracingContextListener<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">GRPCChannelListener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">KafkaProducer<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Bytes<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> producer<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f53\u6709\u65b0Trace Segment\u4ea7\u751f\u65f6&#xff0c;TracingContext\u4f1a\u56de\u8c03\u6b64\u65b9\u6cd5<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">afterFinished<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">TraceSegment<\/span> traceSegment<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>traceSegment<span class=\"token punctuation\">.<\/span><span class=\"token function\">isSkipAnalysis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u8df3\u8fc7\u4e0d\u9700\u8981\u5206\u6790\u7684Segment<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5c06TraceSegment\u5e8f\u5217\u5316\u4e3aProtobuf<\/span><br \/>\n        <span class=\"token class-name\">UpstreamSegment<\/span> upstream <span class=\"token operator\">&#061;<\/span> traceSegment<span class=\"token punctuation\">.<\/span><span class=\"token function\">transform<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Bytes<\/span> data <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Bytes<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">wrap<\/span><span class=\"token punctuation\">(<\/span>upstream<span class=\"token punctuation\">.<\/span><span class=\"token function\">toByteArray<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6784\u5efaKafka\u6d88\u606f<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> topic <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token string\">&#034;%s-%s&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            config<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTopicSegment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            config<span class=\"token punctuation\">.<\/span><span class=\"token function\">getNamespace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4ee5TraceId\u4f5c\u4e3aKey&#xff08;\u4fdd\u8bc1\u540c\u4e00Trace\u7684\u6240\u6709Segment\u53bb\u540c\u4e00\u4e2aPartition&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> traceId <span class=\"token operator\">&#061;<\/span> traceSegment<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRelatedGlobalTrace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">ProducerRecord<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Bytes<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> record <span class=\"token operator\">&#061;<\/span><br \/>\n            <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ProducerRecord<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span>topic<span class=\"token punctuation\">,<\/span> traceId<span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5f02\u6b65\u53d1\u9001<\/span><br \/>\n        producer<span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>record<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">onCompletion<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RecordMetadata<\/span> metadata<span class=\"token punctuation\">,<\/span><br \/>\n                                      <span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>e <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token constant\">LOGGER<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Failed to send trace segment: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        e<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316Kafka Producer<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">initProducer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">KafkaReporterConfig<\/span> config<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Properties<\/span> props <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Properties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        props<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;bootstrap.servers&#034;<\/span><span class=\"token punctuation\">,<\/span> config<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBootstrapServers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5408\u5e76\u81ea\u5b9a\u4e49Producer\u914d\u7f6e<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>config<span class=\"token punctuation\">.<\/span><span class=\"token function\">getProducerConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            props<span class=\"token punctuation\">.<\/span><span class=\"token function\">putAll<\/span><span class=\"token punctuation\">(<\/span>config<span class=\"token punctuation\">.<\/span><span class=\"token function\">getProducerConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        props<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key.serializer&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;org.apache.kafka.common.serialization.StringSerializer&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        props<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;value.serializer&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;org.apache.kafka.common.serialization.BytesSerializer&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>producer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">KafkaProducer<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span>props<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u56db\u3001OAP\u7aef \u2014\u2014 Kafka Fetcher\u914d\u7f6e<\/h3>\n<p>Agent\u628a\u6570\u636e\u53d1\u5230Kafka\u4e86&#xff0c;OAP\u600e\u4e48\u6d88\u8d39\u5462&#xff1f;<\/p>\n<h4>4.1 application.yml\u914d\u7f6e<\/h4>\n<p><span class=\"token comment\"># oap-server\/config\/application.yml<\/span><\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; Kafka Fetcher \u914d\u7f6e &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><\/p>\n<p><span class=\"token key atrule\">core<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">default<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u6307\u5b9a\u4eceKafka\u6d88\u8d39\u6570\u636e<\/span><br \/>\n    <span class=\"token key atrule\">selector<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_CLUSTER<span class=\"token punctuation\">:<\/span>standalone<span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\"># \u4e0d\u4f7f\u7528gRPC\u63a5\u6536<\/span><br \/>\n    <span class=\"token key atrule\">gRPCHost<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_CORE_GRPC_HOST<span class=\"token punctuation\">:<\/span>0.0.0.0<span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token key atrule\">gRPCPort<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_CORE_GRPC_PORT<span class=\"token punctuation\">:<\/span><span class=\"token number\">11800<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\"># Kafka \u6d88\u8d39\u8005\u914d\u7f6e<\/span><br \/>\n    <span class=\"token key atrule\">kafka<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">bootstrapServers<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_KAFKA_FETCHER_SERVERS<span class=\"token punctuation\">:<\/span>127.0.0.1<span class=\"token punctuation\">:<\/span><span class=\"token number\">9092<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>      <span class=\"token comment\"># &#061;&#061;&#061; \u6d88\u8d39\u914d\u7f6e &#061;&#061;&#061;<\/span><br \/>\n      <span class=\"token comment\"># \u6d88\u8d39\u8005\u7ec4ID<\/span><br \/>\n      <span class=\"token key atrule\">groupId<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_KAFKA_FETCHER_GROUP_ID<span class=\"token punctuation\">:<\/span>skywalking<span class=\"token punctuation\">&#8211;<\/span>oap<span class=\"token punctuation\">}<\/span><\/p>\n<p>      <span class=\"token comment\"># \u6bcf\u4e2aTopic\u7684Partition\u6570\u91cf&#xff08;\u7528\u4e8e\u5206\u914d\u6d88\u8d39\u8005&#xff09;<\/span><br \/>\n      <span class=\"token key atrule\">partitions<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_KAFKA_FETCHER_PARTITIONS<span class=\"token punctuation\">:<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>      <span class=\"token comment\"># \u6bcf\u6279\u6d88\u8d39\u7684\u6d88\u606f\u6570<\/span><br \/>\n      <span class=\"token key atrule\">batchSize<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_KAFKA_FETCHER_BATCH_SIZE<span class=\"token punctuation\">:<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>      <span class=\"token comment\"># \u8f6e\u8be2\u95f4\u9694<\/span><br \/>\n      <span class=\"token key atrule\">pollInterval<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_KAFKA_FETCHER_POLL_INTERVAL<span class=\"token punctuation\">:<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>      <span class=\"token comment\"># &#061;&#061;&#061; Topic\u6620\u5c04 &#061;&#061;&#061;<\/span><br \/>\n      <span class=\"token key atrule\">consumers<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">topic<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_KAFKA_TOPIC_SEGMENT<span class=\"token punctuation\">:<\/span>skywalking<span class=\"token punctuation\">&#8211;<\/span>segments<span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token key atrule\">processor<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;trace&#034;<\/span><\/p>\n<p>        <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">topic<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_KAFKA_TOPIC_METRICS<span class=\"token punctuation\">:<\/span>skywalking<span class=\"token punctuation\">&#8211;<\/span>metrics<span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token key atrule\">processor<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;metrics&#034;<\/span><\/p>\n<p>        <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">topic<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_KAFKA_TOPIC_PROFILING<span class=\"token punctuation\">:<\/span>skywalking<span class=\"token punctuation\">&#8211;<\/span>profilings<span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token key atrule\">processor<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;profiling&#034;<\/span><\/p>\n<p>        <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">topic<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_KAFKA_TOPIC_MANAGEMENT<span class=\"token punctuation\">:<\/span>skywalking<span class=\"token punctuation\">&#8211;<\/span>managements<span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token key atrule\">processor<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;management&#034;<\/span><\/p>\n<p>        <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">topic<\/span><span class=\"token punctuation\">:<\/span> $<span class=\"token punctuation\">{<\/span>SW_KAFKA_TOPIC_LOGS<span class=\"token punctuation\">:<\/span>skywalking<span class=\"token punctuation\">&#8211;<\/span>logs<span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token key atrule\">processor<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;logs&#034;<\/span><\/p>\n<p>      <span class=\"token comment\"># &#061;&#061;&#061; \u6d88\u8d39\u8005\u9ad8\u7ea7\u914d\u7f6e &#061;&#061;&#061;<\/span><br \/>\n      <span class=\"token key atrule\">kafkaConsumerConfig<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token key atrule\">enable.auto.commit<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token boolean important\">true<\/span><br \/>\n        <span class=\"token key atrule\">auto.commit.interval.ms<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">5000<\/span><br \/>\n        <span class=\"token key atrule\">session.timeout.ms<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">30000<\/span><br \/>\n        <span class=\"token key atrule\">max.poll.records<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">500<\/span><br \/>\n        <span class=\"token key atrule\">fetch.max.bytes<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">52428800<\/span>  <span class=\"token comment\"># 50MB<\/span><br \/>\n        <span class=\"token key atrule\">max.partition.fetch.bytes<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">10485760<\/span>  <span class=\"token comment\"># 10MB<\/span><\/p>\n<h4>4.2 Kafka Fetcher\u7684\u5b9e\u73b0\u903b\u8f91<\/h4>\n<p><span class=\"token comment\">\/\/ KafkaFetcherHandlerRegister.java (\u7b80\u5316\u6838\u5fc3\u903b\u8f91)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">KafkaFetcherHandlerRegister<\/span><br \/>\n        <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">FetcherHandlerRegister<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">KafkaConsumer<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Bytes<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> consumers<br \/>\n        <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ConcurrentHashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">register<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">FetcherConfig<\/span> config<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">KafkaFetcherConfig<\/span> kafkaConfig <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">KafkaFetcherConfig<\/span><span class=\"token punctuation\">)<\/span> config<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ConsumerConfig<\/span> consumerConfig <span class=\"token operator\">:<\/span> kafkaConfig<span class=\"token punctuation\">.<\/span><span class=\"token function\">getConsumers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u4e3a\u6bcf\u4e2aTopic\u521b\u5efa\u4e00\u4e2a\u6d88\u8d39\u8005<\/span><br \/>\n            <span class=\"token class-name\">KafkaConsumer<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Bytes<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> consumer <span class=\"token operator\">&#061;<\/span><br \/>\n                <span class=\"token function\">createConsumer<\/span><span class=\"token punctuation\">(<\/span>kafkaConfig<span class=\"token punctuation\">,<\/span> consumerConfig<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            consumers<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>consumerConfig<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTopic<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> consumer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u542f\u52a8\u6d88\u8d39\u8005\u7ebf\u7a0b<\/span><br \/>\n            <span class=\"token function\">startConsumerThread<\/span><span class=\"token punctuation\">(<\/span>consumer<span class=\"token punctuation\">,<\/span> consumerConfig<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">startConsumerThread<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token class-name\">KafkaConsumer<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Bytes<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> consumer<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token class-name\">ConsumerConfig<\/span> config<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token class-name\">Thread<\/span> consumerThread <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Thread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            consumer<span class=\"token punctuation\">.<\/span><span class=\"token function\">subscribe<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Collections<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">singletonList<\/span><span class=\"token punctuation\">(<\/span>config<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTopic<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>stopped<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">ConsumerRecords<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Bytes<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> records <span class=\"token operator\">&#061;<\/span><br \/>\n                    consumer<span class=\"token punctuation\">.<\/span><span class=\"token function\">poll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Duration<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ofMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ConsumerRecord<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Bytes<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> record <span class=\"token operator\">:<\/span> records<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u6839\u636eprocessor\u7c7b\u578b\u5206\u53d1\u7ed9\u4e0d\u540c\u7684\u5904\u7406\u5668<\/span><br \/>\n                    <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>config<span class=\"token punctuation\">.<\/span><span class=\"token function\">getProcessor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token keyword\">case<\/span> <span class=\"token string\">&#034;trace&#034;<\/span><span class=\"token operator\">:<\/span><br \/>\n                            traceAnalyzer<span class=\"token punctuation\">.<\/span><span class=\"token function\">analyze<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                                record<span class=\"token punctuation\">.<\/span><span class=\"token function\">key<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> record<span class=\"token punctuation\">.<\/span><span class=\"token function\">value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token keyword\">case<\/span> <span class=\"token string\">&#034;metrics&#034;<\/span><span class=\"token operator\">:<\/span><br \/>\n                            metricsAggregator<span class=\"token punctuation\">.<\/span><span class=\"token function\">aggregate<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                                record<span class=\"token punctuation\">.<\/span><span class=\"token function\">value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token keyword\">case<\/span> <span class=\"token string\">&#034;profiling&#034;<\/span><span class=\"token operator\">:<\/span><br \/>\n                            profilingHandler<span class=\"token punctuation\">.<\/span><span class=\"token function\">handle<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                                record<span class=\"token punctuation\">.<\/span><span class=\"token function\">value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u63d0\u4ea4offset<\/span><br \/>\n                consumer<span class=\"token punctuation\">.<\/span><span class=\"token function\">commitAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;kafka-fetcher-&#034;<\/span> <span class=\"token operator\">&#043;<\/span> config<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTopic<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        consumerThread<span class=\"token punctuation\">.<\/span><span class=\"token function\">setDaemon<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        consumerThread<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u4e94\u3001\u5b8c\u6574\u7684\u7aef\u5230\u7aef\u6570\u636e\u6d41<\/h3>\n<p>\u628aAgent\u548cOAP\u90fd\u914d\u597d\u540e&#xff0c;\u6570\u636e\u662f\u5982\u4f55\u6d41\u52a8\u7684&#xff1f;<\/p>\n<p>&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n|           Trace\u6570\u636e\u4eceAgent\u5230ES\u7684\u5b8c\u6574\u751f\u547d\u5468\u671f                         |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n|                                                                    |<br \/>\n|  Step 1: Agent\u91c7\u96c6                                                  |<br \/>\n|  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                   |<br \/>\n|  \u2502  TracingContext\u751f\u6210TraceSegment            \u2502                   |<br \/>\n|  \u2502  \u2193                                         \u2502                   |<br \/>\n|  \u2502  \u5e8f\u5217\u5316\u4e3aUpstreamSegment (Protobuf)        \u2502                   |<br \/>\n|  \u2502  \u2193                                         \u2502                   |<br \/>\n|  \u2502  KafkaReporter.send()                      \u2502                   |<br \/>\n|  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                   |<br \/>\n|                       \u2502                                            |<br \/>\n|  Step 2: Kafka\u4f20\u8f93                                                 |<br \/>\n|  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                   |<br \/>\n|  \u2502  Topic: skywalking-segments-prod           \u2502                   |<br \/>\n|  \u2502  Key: traceId \u2192 \u8def\u7531\u5230\u56fa\u5b9aPartition         \u2502                   |<br \/>\n|  \u2502  Value: UpstreamSegment (\u4e8c\u8fdb\u5236)           \u2502                   |<br \/>\n|  \u2502  \u2193                                         \u2502                   |<br \/>\n|  \u2502  \u526f\u672c\u540c\u6b65 \u2192 Leader\u786e\u8ba4                      \u2502                   |<br \/>\n|  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                   |<br \/>\n|                       \u2502                                            |<br \/>\n|  Step 3: OAP\u6d88\u8d39                                                   |<br \/>\n|  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                   |<br \/>\n|  \u2502  KafkaFetcher.poll() \u2192 \u6279\u91cf\u62c9\u53d6            \u2502                   |<br \/>\n|  \u2502  \u2193                                         \u2502                   |<br \/>\n|  \u2502  \u53cd\u5e8f\u5217\u5316UpstreamSegment                    \u2502                   |<br \/>\n|  \u2502  \u2193                                         \u2502                   |<br \/>\n|  \u2502  TraceAnalyzer.doAnalysis()                \u2502                   |<br \/>\n|  \u2502  \u251c\u2500\u2500 Span\u805a\u5408                              \u2502                   |<br \/>\n|  \u2502  \u251c\u2500\u2500 \u8c03\u7528\u94fe\u6784\u5efa                            \u2502                   |<br \/>\n|  \u2502  \u251c\u2500\u2500 \u6307\u6807\u8ba1\u7b97(OAL)                         \u2502                   |<br \/>\n|  \u2502  \u2514\u2500\u2500 \u62d3\u6251\u63a8\u65ad                              \u2502                   |<br \/>\n|  \u2502  \u2193                                         \u2502                   |<br \/>\n|  \u2502  \u5199\u5165Elasticsearch                          \u2502                   |<br \/>\n|  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                   |<br \/>\n|                                                                    |<br \/>\n|  Step 4: \u67e5\u8be2\u5c55\u793a                                                   |<br \/>\n|  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510                   |<br \/>\n|  \u2502  SkyWalking UI \u2192 GraphQL API \u2192 ES\u67e5\u8be2      \u2502                   |<br \/>\n|  \u2502  \u2193                                         \u2502                   |<br \/>\n|  \u2502  \u5c55\u793aTrace\u8be6\u60c5\/\u62d3\u6251\u56fe\/\u6307\u6807\u56fe\u8868              \u2502                   |<br \/>\n|  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                   |<br \/>\n|                                                                    |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<\/p>\n<h3>\u516d\u3001\u6027\u80fd\u5f71\u54cd\u4e0e\u6ce8\u610f\u4e8b\u9879<\/h3>\n<h4>6.1 \u6027\u80fd\u5bf9\u6bd4<\/h4>\n<p><span class=\"token comment\"># \u4e0d\u540c\u901a\u4fe1\u65b9\u5f0f\u7684\u6027\u80fd\u7279\u5f81<\/span><\/p>\n<p>gRPC (\u957f\u8fde\u63a5<span class=\"token punctuation\">,<\/span> <span class=\"token key atrule\">Protobuf)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">\u5ef6\u8fdf<\/span><span class=\"token punctuation\">:<\/span> ~5ms (\u540c\u673a\u623f)<br \/>\n  <span class=\"token key atrule\">\u541e\u5410<\/span><span class=\"token punctuation\">:<\/span> ~10000 segments\/\u79d2 (\u5355OAP)<br \/>\n  <span class=\"token key atrule\">CPU<\/span><span class=\"token punctuation\">:<\/span> Agent\u7aef &lt; 1%<span class=\"token punctuation\">,<\/span> OAP\u7aef \u4e2d\u7b49<br \/>\n  <span class=\"token key atrule\">\u5185\u5b58<\/span><span class=\"token punctuation\">:<\/span> Agent\u7aef ~10MB<span class=\"token punctuation\">,<\/span> OAP\u7aef ~200MB<\/p>\n<p>Kafka (\u5f02\u6b65<span class=\"token punctuation\">,<\/span> <span class=\"token key atrule\">\u6279\u91cf)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">\u5ef6\u8fdf<\/span><span class=\"token punctuation\">:<\/span> ~10<span class=\"token punctuation\">&#8211;<\/span>50ms (\u6d88\u606f\u961f\u5217\u7f13\u51b2)<br \/>\n  <span class=\"token key atrule\">\u541e\u5410<\/span><span class=\"token punctuation\">:<\/span> ~50000 segments\/\u79d2 (\u5355OAP\u6d88\u8d39)<br \/>\n  <span class=\"token key atrule\">CPU<\/span><span class=\"token punctuation\">:<\/span> Agent\u7aef &lt; 1%<span class=\"token punctuation\">,<\/span> OAP\u7aef \u4f4e<br \/>\n  <span class=\"token key atrule\">\u5185\u5b58<\/span><span class=\"token punctuation\">:<\/span> Agent\u7aef ~20MB (Producer\u7f13\u51b2\u533a)<span class=\"token punctuation\">,<\/span> OAP\u7aef ~300MB (Consumer\u7f13\u51b2\u533a)<\/p>\n<p>HTTPS (\u77ed\u8fde\u63a5<span class=\"token punctuation\">,<\/span> <span class=\"token key atrule\">JSON)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">\u5ef6\u8fdf<\/span><span class=\"token punctuation\">:<\/span> ~20ms<br \/>\n  <span class=\"token key atrule\">\u541e\u5410<\/span><span class=\"token punctuation\">:<\/span> ~3000 segments\/\u79d2<br \/>\n  <span class=\"token key atrule\">CPU<\/span><span class=\"token punctuation\">:<\/span> Agent\u7aef \u4f4e<span class=\"token punctuation\">,<\/span> OAP\u7aef \u9ad8 (JSON\u89e3\u6790)<br \/>\n  <span class=\"token key atrule\">\u5185\u5b58<\/span><span class=\"token punctuation\">:<\/span> \u8f83\u4f4e<\/p>\n<h4>6.2 Kafka\u73af\u5883\u68c0\u67e5\u6e05\u5355<\/h4>\n<p><span class=\"token comment\"># \u90e8\u7f72\u524d\u9a8c\u8bc1\u6e05\u5355<\/span><\/p>\n<p><span class=\"token comment\"># 1. \u68c0\u67e5Kafka\u96c6\u7fa4\u72b6\u6001<\/span><br \/>\nkafka-topics.sh &#8211;bootstrap-server localhost:9092 <span class=\"token parameter variable\">&#8211;list<\/span><\/p>\n<p><span class=\"token comment\"># 2. \u9a8c\u8bc1Topic\u521b\u5efa&#xff08;Partition\u6570\u91cf &gt;&#061; OAP\u5b9e\u4f8b\u6570&#xff09;<\/span><br \/>\nkafka-topics.sh &#8211;bootstrap-server localhost:9092 <span class=\"token punctuation\">\\\\<\/span><br \/>\n    <span class=\"token parameter variable\">&#8211;create<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n    <span class=\"token parameter variable\">&#8211;topic<\/span> skywalking-segments <span class=\"token punctuation\">\\\\<\/span>                             <span class=\"token parameter variable\">&#8211;partitions<\/span> <span class=\"token number\">6<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n    &#8211;replication-factor <span class=\"token number\">3<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n    <span class=\"token parameter variable\">&#8211;config<\/span> <span class=\"token assign-left variable\">retention.ms<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">172800000<\/span>  <span class=\"token comment\"># \u4fdd\u75592\u5929<\/span><\/p>\n<p><span class=\"token comment\"># 3. \u68c0\u67e5\u6d88\u8d39\u8005\u7684Lag<\/span><br \/>\nkafka-consumer-groups.sh &#8211;bootstrap-server localhost:9092 <span class=\"token punctuation\">\\\\<\/span><br \/>\n    <span class=\"token parameter variable\">&#8211;group<\/span> skywalking-oap <span class=\"token parameter variable\">&#8211;describe<\/span><\/p>\n<p><span class=\"token comment\"># 4. \u76d1\u63a7Topic\u7684\u5199\u5165\u901f\u7387<\/span><br \/>\nkafka-run-class.sh kafka.tools.GetOffsetShell <span class=\"token punctuation\">\\\\<\/span><br \/>\n    &#8211;broker-list localhost:9092 <span class=\"token punctuation\">\\\\<\/span><br \/>\n    <span class=\"token parameter variable\">&#8211;topic<\/span> skywalking-segments <span class=\"token parameter variable\">&#8211;time<\/span> <span class=\"token parameter variable\">-1<\/span><\/p>\n<p><span class=\"token comment\"># 5. \u9a8c\u8bc1\u7f51\u7edc\u8fde\u901a\u6027<\/span><br \/>\ntelnet kafka-broker-1 <span class=\"token number\">9092<\/span><\/p>\n<h4>6.3 \u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3<\/h4>\n<p>&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n&#043;          Kafka\u96c6\u6210\u5e38\u89c1\u95ee\u9898                                        &#043;<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n|                                                                    |<br \/>\n|  \u95ee\u98981: &#034;Topic\u4e0d\u5b58\u5728&#034;                                              |<br \/>\n|  \u539f\u56e0: Kafka\u672a\u542f\u7528auto.create.topics.enable                       |<br \/>\n|  \u89e3\u51b3: \u624b\u52a8\u521b\u5efaTopic\u6216\u542f\u7528\u81ea\u52a8\u521b\u5efa                                  |<br \/>\n|                                                                    |<br \/>\n|  \u95ee\u98982: &#034;OAP\u4e0d\u6d88\u8d39\u6570\u636e&#034;                                            |<br \/>\n|  \u539f\u56e0:                                                             |<br \/>\n|    &#8211; OAP\u914d\u7f6e\u4e2d\u672a\u542f\u7528KafkaFetcher                                   |<br \/>\n|    &#8211; \u6d88\u8d39\u8005Group\u914d\u7f6e\u51b2\u7a81                                           |<br \/>\n|    &#8211; Offset\u5f02\u5e38&#xff08;\u672a\u4ece\u5934\u6d88\u8d39&#xff09;                                      |<br \/>\n|  \u89e3\u51b3:                                                             |<br \/>\n|    &#8211; \u68c0\u67e5SW_CORE\u73af\u5883\u53d8\u91cf                                          |<br \/>\n|    &#8211; \u91cd\u7f6eConsumer Group Offset                                    |<br \/>\n|                                                                    |<br \/>\n|  \u95ee\u98983: &#034;\u6570\u636e\u5ef6\u8fdf\u4e25\u91cd&#034;                                             |<br \/>\n|  \u539f\u56e0:                                                             |<br \/>\n|    &#8211; Kafka Partition\u4e0d\u591f&#xff08;OAP\u5b9e\u4f8b\u5e76\u884c\u5ea6\u53d7\u9650&#xff09;                      |<br \/>\n|    &#8211; OAP\u5904\u7406\u80fd\u529b\u4e0d\u8db3                                               |<br \/>\n|    &#8211; \u7f51\u7edc\u5e26\u5bbd\u4e0d\u8db3                                                  |<br \/>\n|  \u89e3\u51b3: \u589e\u52a0Partition\u6570\u91cf &#043; \u589e\u52a0OAP\u5b9e\u4f8b                             |<br \/>\n|                                                                    |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<\/p>\n<h3>\u4e03\u3001\u603b\u7ed3<\/h3>\n<p>\u7528Kafka\u4f5c\u4e3aSkyWalking\u7684\u6570\u636e\u4e0a\u62a5\u901a\u9053&#xff0c;\u662f\u5927\u89c4\u6a21\u751f\u4ea7\u73af\u5883\u7684\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<table>\n<tr>\u65b9\u9762\u8981\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u9002\u7528\u573a\u666f<\/td>\n<td>Agent\u5b9e\u4f8b\u6570 &gt; 500&#xff0c;\u6216\u9700\u8981\u7f13\u51b2\/\u524a\u5cf0<\/td>\n<\/tr>\n<tr>\n<td>Agent\u914d\u7f6e<\/td>\n<td>\u6307\u5b9abootstrap_servers\u548c\u5404topic\u540d\u79f0<\/td>\n<\/tr>\n<tr>\n<td>OAP\u914d\u7f6e<\/td>\n<td>\u914d\u7f6eKafkaFetcher\u6d88\u8d39\u8005&#xff0c;\u6620\u5c04processor<\/td>\n<\/tr>\n<tr>\n<td>\u76d1\u63a7\u91cd\u70b9<\/td>\n<td>Consumer Lag\u3001\u6570\u636e\u5ef6\u8fdf\u3001\u9519\u8bef\u7387<\/td>\n<\/tr>\n<tr>\n<td>\u8fd0\u7ef4\u8981\u70b9<\/td>\n<td>\u786e\u4fddPartition &gt;&#061; OAP\u5b9e\u4f8b\u6570&#xff0c;\u5b9a\u671f\u6e05Topic<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e0b\u4e00\u7bc7\u6587\u7ae0\u5c06\u6c47\u603b\u6240\u6709\u901a\u4fe1\u65b9\u6848\u7684\u5bf9\u6bd4\u548c\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<hr \/>\n<p>\u4e0b\u4e00\u7bc7\u3010\u7b2c60\u7bc7\u3011\u63a2\u9488\u6ce8\u518c\u901a\u4fe1\u6269\u5c55\u2014\u2014\u57fa\u4e8eHTTP\u7684SPI\u6ce8\u518c\u5b9e\u73b0\u5b8c\u5168\u6307\u5357 \u4e0a\u4e00\u7bc7\u3010\u7b2c62\u7bc7\u3011\u901a\u4fe1\u6269\u5c55\u6700\u4f73\u5b9e\u8df5\u2014\u2014gRPC\/HTTP\/Kafka\u5168\u666f\u5bf9\u6bd4\u4e0e\u9009\u578b\u51b3\u7b56<\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0b\u4e00\u7bc7\u3010\u7b2c60\u7bc7\u3011\u63a2\u9488\u6ce8\u518c\u901a\u4fe1\u6269\u5c55\u2014\u2014\u57fa\u4e8eHTTP\u7684SPI\u6ce8\u518c\u5b9e\u73b0\u5b8c\u5168\u6307\u5357 \u4e0a\u4e00\u7bc7\u3010\u7b2c62\u7bc7\u3011\u901a\u4fe1\u6269\u5c55\u6700\u4f73\u5b9e\u8df5\u2014\u2014gRPC\/HTTP\/Kafka\u5168\u666f\u5bf9\u6bd4\u4e0e\u9009\u578b\u51b3\u7b56 \u4e00\u3001\u4e3a\u4ec0\u4e48\u662fKafka&#xff1f;<br \/>\n\u5148\u95ee\u4e00\u4e2a\u624e\u5fc3\u7684\u95ee\u9898&#xff1a;gRPC\u90a3\u4e48\u597d&#xff0c;\u4e3a\u4ec0\u4e48\u8fd8\u8981\u7528Kafka&#xff1f;<br \/>\n\u7b54\u6848\u53d6\u51b3\u4e8e\u4f60\u7684\u90e8\u7f72\u89c4\u6a21\u548c\u6570\u636e\u91cf\u3002\u6765\u770b\u4e24\u79cd\u5178\u578b\u573a\u666f&#xff1a;<br 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