{"id":56712,"date":"2025-08-14T22:44:38","date_gmt":"2025-08-14T14:44:38","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/56712.html"},"modified":"2025-08-14T22:44:38","modified_gmt":"2025-08-14T14:44:38","slug":"java%e9%9d%a2%e8%af%95%e5%9c%ba%e6%99%af%e9%a2%98%e5%a4%a7%e5%85%a8%e7%b2%be%e7%ae%80%e7%89%88","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/56712.html","title":{"rendered":"Java\u9762\u8bd5\u573a\u666f\u9898\u5927\u5168\u7cbe\u7b80\u7248"},"content":{"rendered":"<h4>1.\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e0b\u5982\u4f55\u5b9e\u73b0\u670d\u52a1\u9650\u6d41<\/h4>\n<ul>\n<li>\u6838\u5fc3\u7b97\u6cd5&#xff1a;\n<ul>\n<li>\u56fa\u5b9a\u7a97\u53e3&#xff1a;\u5c06\u65f6\u95f4\u5212\u5206\u4e3a\u56fa\u5b9a\u7a97\u53e3&#xff08;\u5982 1 \u79d2&#xff09;&#xff0c;\u7edf\u8ba1\u7a97\u53e3\u5185\u8bf7\u6c42\u6570&#xff0c;\u8d85\u8fc7\u9608\u503c\u5219\u9650\u6d41\u3002\u5b9e\u73b0\u7b80\u5355\u4f46\u5b58\u5728\u4e34\u754c\u503c\u7a81\u53d1\u6d41\u91cf\u95ee\u9898\u3002<\/li>\n<li>\u6ed1\u52a8\u7a97\u53e3&#xff1a;\u5c06\u56fa\u5b9a\u7a97\u53e3\u62c6\u5206\u4e3a\u591a\u4e2a\u5c0f\u7a97\u53e3&#xff0c;\u6ed1\u52a8\u8ba1\u7b97\u8bf7\u6c42\u6570&#xff0c;\u7f13\u89e3\u4e34\u754c\u95ee\u9898&#xff0c;\u4f46\u5b9e\u73b0\u590d\u6742\u5ea6\u8f83\u9ad8\u3002<\/li>\n<li>\u6f0f\u6876\u7b97\u6cd5&#xff1a;\u63a7\u5236\u8bf7\u6c42\u5904\u7406\u901f\u7387\u6052\u5b9a&#xff0c;\u5e73\u6ed1\u6d41\u91cf&#xff0c;\u4f46\u65e0\u6cd5\u5e94\u5bf9\u7a81\u53d1\u6d41\u91cf\u3002<\/li>\n<li>\u4ee4\u724c\u6876\u7b97\u6cd5&#xff1a;\u6309\u56fa\u5b9a\u901f\u7387\u751f\u6210\u4ee4\u724c&#xff0c;\u8bf7\u6c42\u9700\u83b7\u53d6\u4ee4\u724c\u624d\u80fd\u5904\u7406&#xff0c;\u652f\u6301\u7a81\u53d1\u6d41\u91cf\u4e14\u7075\u6d3b&#xff0c;\u662f\u4e3b\u6d41\u9009\u62e9\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5b9e\u73b0\u65b9\u5f0f&#xff1a;\n<ul>\n<li>\u5355\u673a\u9650\u6d41&#xff1a;\u5982 Guava \u7684RateLimiter&#xff08;\u57fa\u4e8e\u4ee4\u724c\u6876&#xff09;\u3001Nginx \u7684limit_req\u6a21\u5757\u3002<\/li>\n<li>\u5206\u5e03\u5f0f\u9650\u6d41&#xff1a;\u57fa\u4e8e Redis \u5b9e\u73b0&#xff08;\u5982\u7528INCR\u7edf\u8ba1\u8bf7\u6c42\u6570&#xff0c;\u7ed3\u5408\u8fc7\u671f\u65f6\u95f4\u6a21\u62df\u7a97\u53e3&#xff1b;\u6216\u7528 Lua \u811a\u672c\u5b9e\u73b0\u4ee4\u724c\u6876&#xff09;&#xff0c;\u4fdd\u8bc1\u96c6\u7fa4\u9650\u6d41\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5e94\u7528\u573a\u666f&#xff1a;\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u9009\u62e9\u7b97\u6cd5&#xff08;\u5982\u79d2\u6740\u573a\u666f\u7528\u4ee4\u724c\u6876\u5e94\u5bf9\u7a81\u53d1\u6d41\u91cf&#xff09;&#xff0c;\u5e76\u5728\u7f51\u5173\u5c42\u3001\u670d\u52a1\u5c42\u591a\u7ef4\u5ea6\u9650\u6d41\u3002<\/li>\n<\/ul>\n<h4>2. \u8ba2\u5355\u672a\u652f\u4ed8\u8fc7\u671f\u81ea\u52a8\u5173\u5355\u65b9\u6848<\/h4>\n<table>\n<tr>\u65b9\u6848\u4f18\u70b9\u7f3a\u70b9\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>\u5b9a\u65f6\u4efb\u52a1<\/td>\n<td>\u5b9e\u73b0\u7b80\u5355\u3001\u6210\u672c\u4f4e<\/td>\n<td>\u65f6\u95f4\u7cbe\u5ea6\u4f4e\u3001\u589e\u52a0\u6570\u636e\u5e93\u538b\u529b<\/td>\n<td>\u6570\u636e\u91cf\u5c0f\u3001\u5bf9\u65f6\u95f4\u4e0d\u654f\u611f<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>JDK \u5ef6\u8fdf\u961f\u5217&#xff08;DelayQueue&#xff09;<\/td>\n<td>\u4e0d\u4f9d\u8d56\u7b2c\u4e09\u65b9\u7ec4\u4ef6<\/td>\n<td>\u53ef\u80fd OOM\u3001\u6570\u636e\u6613\u4e22\u5931<\/td>\n<td>\u5c0f\u6570\u636e\u91cf\u3001\u975e\u6838\u5fc3\u573a\u666f<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Redis \u8fc7\u671f\u76d1\u542c<\/td>\n<td>\u9ad8\u6027\u80fd<\/td>\n<td>\u5b58\u5728\u5ef6\u8fdf\u3001\u6d88\u606f\u53ef\u80fd\u4e22\u5931<\/td>\n<td>\u8f83\u5c11\u7528\u5728\u751f\u4ea7\u73af\u5883<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Redisson \u5206\u5e03\u5f0f\u5ef6\u8fdf\u961f\u5217<\/td>\n<td>\u4f7f\u7528\u7b80\u5355\u3001\u539f\u5b50\u6027\u5f3a<\/td>\n<td>\u4f9d\u8d56 Redis<\/td>\n<td>\u9700\u5206\u5e03\u5f0f\u652f\u6301\u7684\u573a\u666f<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>RocketMQ \u5ef6\u8fdf\u6d88\u606f<\/td>\n<td>\u89e3\u8026\u7cfb\u7edf\u3001\u541e\u5410\u91cf\u9ad8<\/td>\n<td>\u5f15\u5165 MQ \u589e\u52a0\u590d\u6742\u5ea6&#xff08;\u6d88\u606f\u4e22\u5931\u7b49&#xff09;<\/td>\n<td>\u9700\u9ad8\u541e\u5410\u91cf\u3001\u89e3\u8026\u573a\u666f<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>RabbitMQ \u6b7b\u4fe1\u961f\u5217<\/td>\n<td>\u652f\u6301\u9ad8\u53ef\u7528<\/td>\n<td>\u53ef\u80fd\u56e0\u961f\u5934\u6d88\u606f\u5bfc\u81f4\u963b\u585e<\/td>\n<td>\u9700\u9ad8\u53ef\u7528\u4f46\u53ef\u63a5\u53d7\u8f7b\u5fae\u963b\u585e\u573a\u666f<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>3. \u79d2\u6740\u7cfb\u7edf\u8bbe\u8ba1<\/h4>\n<h5>3.1 \u67b6\u6784\u539f\u5219 \u201c4 \u8981 1 \u4e0d\u8981\u201d<\/h5>\n<ul>\n<li>\u6570\u636e\u8981\u5c11&#xff08;\u51cf\u5c11\u4f20\u8f93\u4e0e\u5904\u7406\u6570\u636e&#xff09;\u3001\u8bf7\u6c42\u8981\u5c11&#xff08;\u5408\u5e76 CSS\/JS \u7b49&#xff09;\u3001\u8def\u5f84\u8981\u77ed&#xff08;\u51cf\u5c11\u4e2d\u95f4\u8282\u70b9&#xff09;\u3001\u4f9d\u8d56\u8981\u5c11&#xff08;\u533a\u5206\u5f3a\u5f31\u4f9d\u8d56&#xff09;\u3001\u4e0d\u8981\u6709\u5355\u70b9&#xff08;\u670d\u52a1\u65e0\u72b6\u6001\u5316&#xff09;\u3002<\/li>\n<\/ul>\n<h5>3.2 \u6838\u5fc3\u4f18\u5316\u7b56\u7565<\/h5>\n<ul>\n<li>\u52a8\u9759\u5206\u79bb&#xff1a;\u62c6\u5206\u9759\u6001\u6570\u636e&#xff08;\u5982\u5546\u54c1\u6807\u9898&#xff09;\u4e0e\u52a8\u6001\u6570\u636e&#xff08;\u5982\u5e93\u5b58&#xff09;&#xff0c;\u9759\u6001\u6570\u636e\u7f13\u5b58\u81f3 CDN\u3001\u6d4f\u89c8\u5668&#xff0c;\u63d0\u5347\u8bbf\u95ee\u6548\u7387\u3002<\/li>\n<li>\u70ed\u70b9\u5904\u7406&#xff1a;\u8bc6\u522b\u9759\u6001\u70ed\u70b9&#xff08;\u62a5\u540d\u7b5b\u9009&#xff09;\u4e0e\u52a8\u6001\u70ed\u70b9&#xff08;\u5b9e\u65f6\u4e0a\u62a5&#xff09;&#xff0c;\u901a\u8fc7\u7f13\u5b58\u3001\u9650\u5236\u3001\u9694\u79bb&#xff08;\u4e1a\u52a1 \/ \u7cfb\u7edf \/ \u6570\u636e\u9694\u79bb&#xff09;\u4f18\u5316\u3002<\/li>\n<li>\u6d41\u91cf\u524a\u5cf0&#xff1a;\u7528\u6d88\u606f\u961f\u5217\u7f13\u51b2\u3001\u7b54\u9898\u5ef6\u7f13\u8bf7\u6c42\u3001\u5206\u5c42\u8fc7\u6ee4&#xff08;CDN\u2192\u524d\u53f0\u2192\u540e\u53f0\u2192\u6570\u636e\u5e93&#xff09;\u51cf\u5c11\u65e0\u6548\u8bf7\u6c42\u3002<\/li>\n<li>\u51cf\u5e93\u5b58\u8bbe\u8ba1&#xff1a;\u53ef\u9009 \u201c\u4e0b\u5355\u51cf\u5e93\u5b58\u201d&#xff08;\u9632\u8d85\u5356&#xff09;\u3001\u201c\u4ed8\u6b3e\u51cf\u5e93\u5b58\u201d&#xff08;\u53ef\u80fd\u8d85\u5356&#xff09;\u3001\u201c\u9884\u6263\u5e93\u5b58\u201d&#xff08;\u4fdd\u7559\u65f6\u95f4 &#043; \u81ea\u52a8\u91ca\u653e&#xff09;&#xff0c;\u9700\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027&#xff08;\u5982\u6570\u636e\u5e93\u5b57\u6bb5\u8bbe\u4e3a\u65e0\u7b26\u53f7\u6574\u6570&#xff09;\u3002<\/li>\n<\/ul>\n<h4>4. \u9ad8\u5e76\u53d1\u7cfb\u7edf\u8bbe\u8ba1&#xff08;QPS \u63d0\u5347 10 \u500d&#xff09;<\/h4>\n<ul>\n<li>\u786c\u4ef6\u4e0e\u67b6\u6784&#xff1a;\u6c34\u5e73\u6269\u5bb9\u3001\u5fae\u670d\u52a1\u62c6\u5206&#xff08;\u964d\u4f4e\u8026\u5408&#xff09;\u3002<\/li>\n<li>\u901a\u4fe1\u4f18\u5316&#xff1a;\u7528 Dubbo \u7b49 RPC \u6846\u67b6&#xff08;\u6027\u80fd\u662f Feign \u7684 10 \u500d&#xff09;&#xff0c;\u81ea\u5e26\u8d1f\u8f7d\u5747\u8861\u3001\u7194\u65ad\u964d\u7ea7\u3002<\/li>\n<li>\u4e2d\u95f4\u4ef6\u652f\u6491&#xff1a;\u6d88\u606f\u961f\u5217&#xff08;\u524a\u5cf0\u89e3\u8026&#xff09;\u3001\u4e09\u7ea7\u7f13\u5b58&#xff08;\u672c\u5730\u7f13\u5b58 &#043; \u5206\u5e03\u5f0f\u7f13\u5b58 &#043; \u6570\u636e\u5e93&#xff09;\u3002<\/li>\n<li>\u6570\u636e\u5e93\u4f18\u5316&#xff1a;\u8bfb\u5199\u5206\u79bb\u3001\u5206\u5e93\u5206\u8868&#xff08;\u6309\u7528\u6237 ID \/ \u4e1a\u52a1\u5206\u7247&#xff09;\u3002<\/li>\n<li>\u9ad8\u53ef\u7528\u7b56\u7565&#xff1a;\u7194\u65ad&#xff08;\u9694\u79bb\u6545\u969c\u670d\u52a1&#xff09;\u3001\u9650\u6d41&#xff08;\u63a7\u5236\u8bf7\u6c42\u91cf&#xff09;\u3001\u964d\u7ea7&#xff08;\u5f31\u4f9d\u8d56\u5931\u6548\u65f6\u4fdd\u969c\u6838\u5fc3\u6d41\u7a0b&#xff09;\u3001\u9884\u6848\u4e0e\u6838\u5bf9\u673a\u5236\u3002<\/li>\n<\/ul>\n<h4>5. \u5176\u4ed6\u6838\u5fc3\u7cfb\u7edf\u8bbe\u8ba1\u8981\u70b9<\/h4>\n<ul>\n<li>\u4f1a\u5458\u7cfb\u7edf&#xff1a;ES \u53cc\u4e2d\u5fc3\u4e3b\u5907\u96c6\u7fa4&#xff08;\u9ad8\u53ef\u7528&#xff09;&#043; Redis \u7f13\u5b58&#xff08;\u6027\u80fd&#xff09;&#043; MySQL \u5206\u5e93\u5206\u8868&#xff08;\u5b58\u50a8&#xff09;&#xff0c;\u89e3\u51b3\u9ad8\u5e76\u53d1\u67e5\u8be2\u4e0e\u6570\u636e\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u4f18\u60e0\u5238\u7cfb\u7edf&#xff1a;\u5206\u5e93\u5206\u8868\u5e94\u5bf9\u5b58\u50a8\u74f6\u9888&#xff0c;\u62c6\u5206\u5b50\u5e93\u5b58\u89e3\u51b3\u70ed\u70b9\u95ee\u9898&#xff0c;\u672c\u5730\u7f13\u5b58\u4f18\u5316\u6a21\u677f\u83b7\u53d6&#xff0c;\u652f\u6491 10 \u4e07\u7ea7 QPS\u3002<\/li>\n<li>\u77ed URL \u751f\u6210\u5668&#xff1a;\u9884\u751f\u6210\u77ed URL&#xff08;Base64 \u7f16\u7801&#xff09;&#xff0c;\u7528 HDFS \u5b58\u50a8\u3001Redis \u7f13\u5b58&#xff0c;\u652f\u6301\u767e\u4ebf\u7ea7\u89c4\u6a21\u4e0e\u6570\u4e07\u5e76\u53d1\u3002<\/li>\n<li>\u5206\u5e03\u5f0f\u94fe\u8def\u8ddf\u8e2a&#xff1a;\u901a\u8fc7 TraceID \u4e32\u8054\u8bf7\u6c42\u94fe\u8def&#xff0c;\u8bb0\u5f55\u5404\u73af\u8282\u65e5\u5fd7&#xff0c;\u7528 ELK \u6808\u5206\u6790&#xff0c;\u5b9a\u4f4d\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<\/ul>\n<h4>6. \u5173\u952e\u6280\u672f\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/h4>\n<ul>\n<li>\u5e93\u5b58\u8d85\u5356&#xff1a;\u7528 Redis \u539f\u5b50\u64cd\u4f5c&#xff08;decr&#xff09;\u3001\u4ee4\u724c\u6876&#xff08;\u9884\u751f\u6210\u5e93\u5b58\u4ee4\u724c&#xff09;\u3001\u81ea\u65cb\u9501\u6216 CAS \u4e50\u89c2\u9501\u63a7\u5236\u5e76\u53d1\u4fee\u6539\u3002<\/li>\n<li>\u6570\u636e\u5e93\u9009\u62e9&#xff1a;\u9ad8\u5e76\u53d1\u573a\u666f\u4e0d\u63a8\u8350\u5173\u7cfb\u6570\u636e\u5e93&#xff08;B &#043; \u6811\u7d22\u5f15 IO \u6210\u672c\u9ad8&#xff09;&#xff0c;\u53ef\u9009\u7528 LSM \u6811\u6216\u5217\u5b58\u50a8\u6570\u636e\u5e93\u3002<\/li>\n<li>\u540c\u57ce\u591a\u6d3b&#xff1a;\u7528 Otter \u5de5\u5177\u57fa\u4e8e binlog \u540c\u6b65\u6570\u636e&#xff0c;\u652f\u6301\u53cc\u673a\u623f\u6545\u969c\u81ea\u52a8\u5207\u6362&#xff0c;\u4fdd\u969c\u6570\u636e\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h4>7. \u67b6\u6784\u8bbe\u8ba1\u539f\u5219<\/h4>\n<ul>\n<li>\u5206\u5c42\u8bbe\u8ba1&#xff1a;\u9694\u79bb\u5173\u6ce8\u70b9&#xff08;\u8868\u73b0\u5c42\u3001\u903b\u8f91\u5c42\u3001\u6570\u636e\u5c42&#xff09;&#xff0c;\u4fbf\u4e8e\u590d\u7528\u4e0e\u6269\u5c55\u3002<\/li>\n<li>\u52a8\u9759\u5206\u79bb&#xff1a;\u9759\u6001\u6570\u636e\u7f13\u5b58\u81f3 CDN \/ \u672c\u5730&#xff0c;\u52a8\u6001\u6570\u636e\u6309\u9700\u52a0\u8f7d&#xff0c;\u51cf\u5c11\u670d\u52a1\u7aef\u538b\u529b\u3002<\/li>\n<li>\u9650\u6d41\u7194\u65ad&#xff1a;\u901a\u8fc7\u4ee4\u724c\u6876 \/ \u6f0f\u6876\u7b97\u6cd5\u9650\u6d41&#xff0c;\u7194\u65ad\u6545\u969c\u4f9d\u8d56&#xff0c;\u4fdd\u969c\u7cfb\u7edf\u5728\u6d41\u91cf\u5cf0\u503c\u4e0b\u7684\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h4 style=\"background-color:transparent\">8. \u77ed URL \u751f\u6210\u5668\u8bbe\u8ba1<\/h4>\n<ul>\n<li>\u6838\u5fc3\u9700\u6c42&#xff1a;\u5c06\u957f URL \u8f6c\u6362\u4e3a\u77ed URL&#xff08;\u5982http:\/\/1.cn\/ScW4dt&#xff09;&#xff0c;\u652f\u6301\u767e\u4ebf\u7ea7\u89c4\u6a21\u7ba1\u7406\u548c\u6570\u4e07\u7ea7\u5e76\u53d1\u541e\u5410\u91cf&#xff0c;\u9700\u89e3\u51b3\u65e0\u51b2\u7a81\u3001\u9ad8\u5e76\u53d1\u8bbf\u95ee\u53ca\u6d77\u91cf\u5b58\u50a8\u95ee\u9898\u3002<\/li>\n<li>\u5b9e\u73b0\u65b9\u6848&#xff1a;\n<ul>\n<li>\u77ed URL \u751f\u6210&#xff1a;\u91c7\u7528\u9884\u751f\u6210\u7b56\u7565&#xff0c;\u901a\u8fc7\u968f\u673a\u6570\u751f\u6210 6 \u4e2a\u5b57\u7b26\u7684\u77ed URL&#xff08;Base64 \u7f16\u7801&#xff09;&#xff0c;\u5229\u7528\u5e03\u9686\u8fc7\u6ee4\u5668\u68c0\u67e5\u51b2\u7a81&#xff0c;\u9884\u751f\u6210 144 \u4ebf\u6761&#xff08;\u542b 20% \u5197\u4f59&#xff09;\u5b58\u50a8\u4e8e HDFS\u3002<\/li>\n<li>\u67b6\u6784\u8bbe\u8ba1&#xff1a;\u7528\u6237\u8bf7\u6c42\u7ecf\u8d1f\u8f7d\u5747\u8861\u5230\u77ed URL \u670d\u52a1\u5668&#xff0c;\u751f\u6210\u77ed URL \u65f6\u4ece\u9884\u52a0\u8f7d\u670d\u52a1\u5668\u7684\u5185\u5b58\u4e2d\u83b7\u53d6&#xff0c;\u540c\u65f6\u5c06\u6620\u5c04\u5173\u7cfb\u5b58\u5165 HBase&#xff1b;\u8bbf\u95ee\u77ed URL \u65f6\u4f18\u5148\u67e5 Redis \u7f13\u5b58&#xff0c;\u672a\u547d\u4e2d\u5219\u67e5 HBase \u5e76\u66f4\u65b0\u7f13\u5b58\u3002<\/li>\n<li>\u8fc7\u671f\u5904\u7406&#xff1a;\u6bcf\u6708\u6e05\u7406\u8fc7\u671f&#xff08;2 \u5e74&#xff09;\u77ed URL&#xff0c;\u56de\u6536\u8d44\u6e90\u5e76\u91cd\u5199\u5165\u9884\u751f\u6210\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>9. \u652f\u6301\u4e07\u4ebf GB \u7f51\u76d8\u7cfb\u7edf&#xff08;DBox&#xff09;\u8bbe\u8ba1<\/h4>\n<ul>\n<li>\u6838\u5fc3\u529f\u80fd&#xff1a;\u6587\u4ef6\u4e0a\u4f20\u4e0b\u8f7d&#xff08;\u652f\u6301\u65ad\u70b9\u7eed\u4f20&#xff09;\u3001\u6587\u4ef6\u5171\u4eab\u3001\u79d2\u4f20\u3001\u9650\u6d41&#xff08;\u5411\u4ed8\u8d39\u7528\u6237\u503e\u659c\u8d44\u6e90&#xff09;\u3002<\/li>\n<li>\u5173\u952e\u6280\u672f&#xff1a;\n<ul>\n<li>\u5b58\u50a8\u67b6\u6784&#xff1a;\u5143\u6570\u636e&#xff08;\u7528\u6237\u4fe1\u606f\u3001\u6587\u4ef6\u5c5e\u6027\u7b49&#xff09;\u5b58\u4e8e\u5206\u5e93\u5206\u8868\u7684 MySQL&#xff0c;\u6587\u4ef6\u5185\u5bb9\u5207\u5206\u4e3a 4MB \u5757\u5b58\u50a8\u4e8e Ceph \u5bf9\u8c61\u5b58\u50a8&#xff0c;\u5b9e\u73b0\u5143\u6570\u636e\u4e0e\u5185\u5bb9\u5206\u79bb\u7ba1\u7406\u3002<\/li>\n<li>\u79d2\u4f20\u5b9e\u73b0&#xff1a;\u901a\u8fc7\u6587\u4ef6 MD5\u3001\u524d 256KB MD5 \u53ca\u6587\u4ef6\u957f\u5ea6\u4e09\u91cd\u6821\u9a8c&#xff0c;\u82e5\u6587\u4ef6\u5df2\u5b58\u5728\u5219\u4ec5\u5efa\u7acb\u5173\u8054&#xff0c;\u4e0d\u91cd\u590d\u4e0a\u4f20\u3002<\/li>\n<li>\u9650\u6d41\u7b56\u7565&#xff1a;\u6839\u636e\u7528\u6237\u7c7b\u578b&#xff08;\u514d\u8d39 \/ VIP&#xff09;\u9650\u5236\u5e76\u53d1\u8fde\u63a5\u6570\u3001\u7ebf\u7a0b\u6570\u53ca\u4f20\u8f93\u901f\u7387&#xff0c;\u4fdd\u969c\u4ed8\u8d39\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>10. \u652f\u6301 3 \u5343\u4e07\u7528\u6237\u540c\u65f6\u5728\u7ebf\u7684\u77ed\u89c6\u9891\u7cfb\u7edf&#xff08;QuickTok&#xff09;\u8bbe\u8ba1<\/h4>\n<ul>\n<li>\u6838\u5fc3\u6311\u6218&#xff1a;\u5e94\u5bf9\u9ad8\u5e76\u53d1\u8bbf\u95ee\u7684\u5e26\u5bbd\u538b\u529b&#xff08;\u603b\u5e26\u5bbd 88Tb&#xff09;\u53ca\u6d77\u91cf\u5b58\u50a8&#xff08;\u5e74\u65b0\u589e 5200PB&#xff09;\u3002<\/li>\n<li>\u67b6\u6784\u8bbe\u8ba1&#xff1a;\n<ul>\n<li>\u4e0a\u4f20\u6d41\u7a0b&#xff1a;\u7528\u6237\u4e0a\u4f20\u89c6\u9891\u7ecf\u8d1f\u8f7d\u5747\u8861\u5230\u4e0a\u4f20\u5fae\u670d\u52a1&#xff0c;\u6682\u5b58\u6587\u4ef6\u540e\u89e6\u53d1\u6d88\u606f\u961f\u5217&#xff0c;\u89c6\u9891\u5904\u7406\u5668\u8fdb\u884c\u5408\u89c4\u5ba1\u67e5\u3001\u8f6c\u7801\u7b49\u64cd\u4f5c&#xff0c;\u6700\u7ec8\u5b58\u5165 HDFS \u548c CDN\u3002<\/li>\n<li>\u64ad\u653e\u4f18\u5316&#xff1a;\u91c7\u7528 CDN \u5206\u53d1&#xff0c;\u5bf9\u7c89\u4e1d\u8d85 10 \u4e07\u7684\u5927 V \u89c6\u9891\u4e3b\u52a8\u63a8\u9001\u81f3\u7c89\u4e1d\u6d3b\u8dc3\u533a\u57df\u7684 CDN \u8282\u70b9&#xff0c;\u4ec5\u63a8\u9001\u90e8\u5206\u7247\u6bb5&#xff08;\u57fa\u4e8e\u5b8c\u64ad\u7387&#xff09;&#xff0c;\u964d\u4f4e\u5e26\u5bbd\u538b\u529b\u3002<\/li>\n<li>\u7f29\u7565\u56fe\u63a8\u8350&#xff1a;\u7ed3\u5408\u5927\u6570\u636e\u548c\u673a\u5668\u5b66\u4e60&#xff0c;\u751f\u6210\u5438\u5f15\u7528\u6237\u7684\u7f29\u7565\u56fe&#xff0c;\u901a\u8fc7\u5b9e\u65f6\u63a8\u8350\u548c\u79bb\u7ebf\u8bad\u7ec3\u4f18\u5316\u70b9\u51fb\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>11. \u57fa\u4e8e LBS \u7684\u4ea4\u53cb\u7cfb\u7edf&#xff08;Liao&#xff09;\u5730\u7406\u7a7a\u95f4\u90bb\u8fd1\u7b97\u6cd5<\/h4>\n<ul>\n<li>\u6838\u5fc3\u9700\u6c42&#xff1a;\u4e3a 10 \u4ebf\u7528\u6237\u5feb\u901f\u5339\u914d\u90bb\u8fd1\u7528\u6237&#xff0c;\u9700\u9ad8\u6548\u8ba1\u7b97\u7528\u6237\u95f4\u8ddd\u79bb\u3002<\/li>\n<li>\u7b97\u6cd5\u9009\u62e9&#xff1a;\n<ul>\n<li>\u6392\u9664\u65b9\u6848&#xff1a;SQL \u90bb\u8fd1\u7b97\u6cd5&#xff08;\u6548\u7387\u4f4e&#xff09;\u3001\u5730\u7406\u7f51\u683c\u7b97\u6cd5&#xff08;\u7cbe\u5ea6\u4e0d\u8db3&#xff09;\u3001\u52a8\u6001\u7f51\u683c\u7b97\u6cd5&#xff08;\u5b9e\u73b0\u590d\u6742&#xff09;\u3002<\/li>\n<li>\u6700\u7ec8\u65b9\u6848&#xff1a;GeoHash \u7b97\u6cd5&#xff0c;\u5c06\u7ecf\u7eac\u5ea6\u7f16\u7801\u4e3a 5 \u4e2a\u5b57\u7b26&#xff08;\u7f51\u683c\u7ea6 25km\u00b2&#xff09;&#xff0c;\u5b58\u50a8\u4e8e Hash \u8868&#xff08;key \u4e3a GeoHash \u503c&#xff0c;value \u4e3a\u7528\u6237 ID \u5217\u8868&#xff09;\u3002\u67e5\u8be2\u65f6\u5148\u5339\u914d\u5f53\u524d\u7f51\u683c\u7528\u6237&#xff0c;\u4e0d\u8db3\u65f6\u6269\u5c55\u81f3\u5468\u8fb9 8 \u4e2a\u7f51\u683c&#xff0c;\u8ba1\u7b97\u5b9e\u9645\u8ddd\u79bb\u540e\u8fd4\u56de\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>12. \u641c\u7d22\u5f15\u64ce&#xff08;Bingoo&#xff09;\u8bbe\u8ba1<\/h4>\n<ul>\n<li>\u6838\u5fc3\u529f\u80fd&#xff1a;\u5168\u7f51\u5185\u5bb9\u722c\u53d6\u3001\u7d22\u5f15\u6784\u5efa\u3001\u5feb\u901f\u68c0\u7d22\u53ca\u7ed3\u679c\u6392\u5e8f\u3002<\/li>\n<li>\u5173\u952e\u7ec4\u4ef6&#xff1a;\n<ul>\n<li>\u5206\u5e03\u5f0f\u722c\u866b&#xff1a;\u722c\u53d6\u7f51\u9875\u5b58\u50a8\u4e8e HDFS&#xff0c;\u538b\u7f29\u540e\u6309\u56fa\u5b9a\u683c\u5f0f&#xff08;\u542b docID\u3001URL\u3001\u5185\u5bb9&#xff09;\u5b58\u50a8\u3002<\/li>\n<li>\u7d22\u5f15\u6784\u5efa&#xff1a;\u751f\u6210 \u201cdocID\u2192\u5355\u8bcd\u5217\u8868\u201d \u6b63\u6392\u7d22\u5f15&#xff0c;\u518d\u8f6c\u6362\u4e3a \u201c\u5355\u8bcd\u2192docID \u5217\u8868\u201d \u5012\u6392\u7d22\u5f15&#xff0c;\u901a\u8fc7 64 \u4e2a\u7d22\u5f15\u6876\u5e76\u884c\u5904\u7406\u63d0\u5347\u6548\u7387\u3002<\/li>\n<li>\u6392\u5e8f\u7b97\u6cd5&#xff1a;\u91c7\u7528 PageRank \u7b97\u6cd5&#xff0c;\u6839\u636e\u7f51\u9875\u94fe\u63a5\u5173\u7cfb\u6253\u5206&#xff0c;\u7ed3\u5408\u7528\u6237\u641c\u7d22\u8bcd\u76f8\u5173\u6027\u6392\u5e8f&#xff0c;\u786e\u4fdd\u7ed3\u679c\u51c6\u786e\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>13. \u5fae\u535a\u7cfb\u7edf&#xff08;Weitter&#xff09;\u5e94\u5bf9\u70ed\u70b9\u4e8b\u4ef6\u7684\u7a81\u53d1\u8bbf\u95ee\u538b\u529b<\/h4>\n<ul>\n<li>\u6838\u5fc3\u529f\u80fd&#xff1a;\u53d1\u5fae\u535a\u3001\u5173\u6ce8\u597d\u53cb\u3001\u5237\u5fae\u535a&#xff08;\u652f\u6301 10 \u4e07 QPS&#xff09;&#xff0c;\u9700\u5904\u7406\u5927 V \u70ed\u70b9\u6d88\u606f\u5f15\u53d1\u7684\u9ad8\u5e76\u53d1\u3002<\/li>\n<li>\u4f18\u5316\u7b56\u7565&#xff1a;\n<ul>\n<li>\u63a8\u62c9\u7ed3\u5408\u7684\u4fe1\u606f\u6d41\u6a21\u5f0f&#xff1a;\u5728\u7ebf\u7528\u6237\u91c7\u7528\u63a8\u6a21\u5f0f&#xff08;\u5b9e\u65f6\u66f4\u65b0\u597d\u53cb\u5fae\u535a\u5217\u8868&#xff09;&#xff0c;\u79bb\u7ebf\u7528\u6237\u91c7\u7528\u62c9\u6a21\u5f0f&#xff08;\u767b\u5f55\u65f6\u91cd\u5efa\u5217\u8868&#xff09;&#xff0c;\u5e73\u8861\u8bfb\u5199\u538b\u529b\u3002<\/li>\n<li>\u7f13\u5b58\u8bbe\u8ba1&#xff1a;\u7f13\u5b58 7 \u5929\u5185\u5fae\u535a&#xff08;\u7ea6 700G&#xff09;&#xff0c;\u5927 V \u7528\u6237 48 \u5c0f\u65f6\u5185\u5fae\u535a\u672c\u5730\u7f13\u5b58&#xff0c;\u51cf\u5c11\u6570\u636e\u5e93\u8bbf\u95ee\u3002<\/li>\n<li>\u6570\u636e\u5e93\u5206\u7247&#xff1a;\u6309\u7528\u6237 ID \u5206\u7247&#xff0c;\u907f\u514d\u5927 V \u6570\u636e\u96c6\u4e2d\u5bfc\u81f4\u7684\u70ed\u70b9\u95ee\u9898&#xff0c;\u9650\u5236\u7528\u6237\u65e5\u53d1\u5fae\u535a\u4e0a\u9650&#xff08;50 \u6761&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>14. \u9650\u6d41\u5668&#xff08;Diana&#xff09;\u8bbe\u8ba1<\/h4>\n<ul>\n<li>\u6838\u5fc3\u529f\u80fd&#xff1a;\u90e8\u7f72\u4e8e\u7f51\u5173&#xff0c;\u5bf9\u8d85\u9650\u6d41\u89c4\u5219\u7684\u8bf7\u6c42\u8fd4\u56de 503 \u54cd\u5e94&#xff0c;\u652f\u6301\u5168\u5c40\u9650\u6d41\u3001\u8d26\u53f7 \/ \u8bbe\u5907 \/ \u8d44\u6e90\u9650\u6d41\u3002<\/li>\n<li>\u9650\u6d41\u7b97\u6cd5&#xff1a;\n<ul>\n<li>\u56fa\u5b9a\u7a97\u53e3&#xff1a;\u7b80\u5355\u4f46\u53ef\u80fd\u77ed\u65f6\u95f4\u653e\u8fc7\u4e24\u500d\u8bf7\u6c42&#xff0c;\u9002\u5408\u975e\u6838\u5fc3\u573a\u666f\u3002<\/li>\n<li>\u6ed1\u52a8\u7a97\u53e3&#xff1a;\u62c6\u5206\u65f6\u95f4\u7247\u6ed1\u52a8\u8ba1\u7b97&#xff0c;\u907f\u514d\u56fa\u5b9a\u7a97\u53e3\u7f3a\u9677&#xff0c;\u7cbe\u5ea6\u66f4\u9ad8\u3002<\/li>\n<li>\u6f0f\u6876\u7b97\u6cd5&#xff1a;\u63a7\u5236\u8bf7\u6c42\u5904\u7406\u901f\u7387&#xff0c;\u4f46\u4f1a\u6d6a\u8d39\u7a7a\u95f2\u8d44\u6e90&#xff0c;\u9002\u5408\u7279\u6b8a\u573a\u666f\u3002<\/li>\n<li>\u4ee4\u724c\u6876\u7b97\u6cd5&#xff1a;\u9ed8\u8ba4\u7b97\u6cd5&#xff0c;\u53ef\u5728\u7cfb\u7edf\u7a7a\u95f2\u65f6\u7d2f\u79ef\u4ee4\u724c&#xff0c;\u9ad8\u6548\u5229\u7528\u8d44\u6e90&#xff0c;\u652f\u6301\u7a81\u53d1\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>15. \u654f\u611f\u6570\u636e\u52a0\u89e3\u5bc6\u5e73\u53f0&#xff08;Venus&#xff09;\u8bbe\u8ba1<\/h4>\n<ul>\n<li>\u6838\u5fc3\u9700\u6c42&#xff1a;\u4fdd\u969c\u654f\u611f\u6570\u636e&#xff08;\u624b\u673a\u53f7\u3001\u5bc6\u7801\u7b49&#xff09;\u5b58\u50a8\u548c\u4f20\u8f93\u5b89\u5168&#xff0c;\u89e3\u51b3\u5bc6\u94a5\u5206\u6563\u3001\u7248\u672c\u7ba1\u7406\u6df7\u4e71\u7b49\u95ee\u9898\u3002<\/li>\n<li>\u5b89\u5168\u7b56\u7565&#xff1a;\n<ul>\n<li>\u5bc6\u94a5\u7ba1\u7406&#xff1a;\u5bc6\u94a5\u5206\u7247\u5b58\u50a8\u4e8e\u5f02\u6784\u670d\u52a1\u5668&#xff08;\u6587\u4ef6\u670d\u52a1\u5668 &#043; \u6570\u636e\u5e93&#xff09;&#xff0c;\u9700\u591a\u89d2\u8272\u534f\u540c\u624d\u80fd\u83b7\u53d6\u5b8c\u6574\u5bc6\u94a5&#xff0c;\u907f\u514d\u6cc4\u9732\u3002<\/li>\n<li>\u52a0\u89e3\u5bc6\u6d41\u7a0b&#xff1a;\u5e94\u7528\u901a\u8fc7 SDK \u8c03\u7528\u670d\u52a1&#xff0c;SDK \u7f13\u5b58\u5bc6\u94a5\u548c\u7b97\u6cd5&#xff0c;\u9996\u6b21\u8c03\u7528\u9700\u4ece\u670d\u52a1\u7aef\u83b7\u53d6&#xff0c;\u4fdd\u969c\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/li>\n<li>\u7248\u672c\u63a7\u5236&#xff1a;\u652f\u6301\u591a\u7248\u672c\u5bc6\u94a5&#xff0c;\u52a0\u5bc6\u65f6\u5d4c\u5165\u7248\u672c\u4fe1\u606f&#xff0c;\u89e3\u5bc6\u65f6\u6839\u636e\u7248\u672c\u83b7\u53d6\u5bf9\u5e94\u5bc6\u94a5&#xff0c;\u907f\u514d\u5bc6\u94a5\u5347\u7ea7\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u53ef\u89e3\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>16. \u652f\u6301 5 \u4ebf\u7528\u6237\u7684\u7f51\u7ea6\u8f66\u7cfb\u7edf&#xff08;Udi&#xff09;\u8bbe\u8ba1<\/h4>\n<ul>\n<li>\u6838\u5fc3\u89c4\u6a21&#xff1a;\u65e5\u6d3b\u4e58\u5ba2 5 \u5343\u4e07\u3001\u53f8\u673a 2 \u5343\u4e07&#xff0c;\u65e5\u8ba2\u5355 6 \u5343\u4e07&#xff0c;\u9700\u5904\u7406\u957f\u8fde\u63a5\u548c\u5b9e\u65f6\u6d3e\u5355\u3002<\/li>\n<li>\u5173\u952e\u6a21\u5757&#xff1a;\n<ul>\n<li>\u957f\u8fde\u63a5\u7ba1\u7406&#xff1a;\u53f8\u673a App \u901a\u8fc7 TCP \u957f\u8fde\u63a5\u6bcf\u79d2\u4e0a\u4f20\u4f4d\u7f6e&#xff0c;\u7531 TCP \u7ba1\u7406\u670d\u52a1\u5668\u5206\u914d\u8fde\u63a5\u8282\u70b9&#xff0c;\u7528 Redis \u8bb0\u5f55\u8fde\u63a5\u5173\u7cfb&#xff0c;\u786e\u4fdd\u6d88\u606f\u51c6\u786e\u63a8\u9001\u3002<\/li>\n<li>\u6d3e\u5355\u7b97\u6cd5&#xff1a;\u57fa\u4e8e Redis GeoHash \u8ba1\u7b97\u4e58\u5ba2\u9644\u8fd1\u53f8\u673a&#xff0c;\u7ed3\u5408\u5730\u7406\u7cfb\u7edf\u89c4\u5212\u8def\u5f84&#xff0c;\u805a\u5408 3 \u79d2\u5185\u8ba2\u5355\u6279\u91cf\u6d3e\u5355&#xff0c;\u6700\u5c0f\u5316\u6574\u4f53\u7b49\u5f85\u65f6\u95f4\u3002<\/li>\n<li>\u8ba2\u5355\u72b6\u6001\u6a21\u578b&#xff1a;\u8986\u76d6 \u201c\u521b\u5355\u2192\u6d3e\u5355\u4e2d\u2192\u5df2\u6d3e\u5355\u2192\u884c\u7a0b\u4e2d\u2192\u5f85\u652f\u4ed8\u2192\u5df2\u5b8c\u6210\u201d \u5168\u751f\u547d\u5468\u671f&#xff0c;\u786e\u4fdd\u6d41\u7a0b\u65e0\u9057\u6f0f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>17. \u53cc\u5341\u4e00\u9884\u7ea6\u62a2\u8d2d\u7cfb\u7edf\u8bbe\u8ba1<\/h4>\n<ul>\n<li>\u6838\u5fc3\u9636\u6bb5&#xff1a;\u5546\u54c1\u9884\u7ea6\u3001\u7b49\u5f85\u62a2\u8d2d\u3001\u5546\u54c1\u62a2\u8d2d\u3001\u8ba2\u5355\u652f\u4ed8\u3002<\/li>\n<li>\u6280\u672f\u65b9\u6848&#xff1a;\n<ul>\n<li>\u9884\u7ea6\u9636\u6bb5&#xff1a;\u7528 Redis \u5206\u5e03\u5f0f\u9501\u63a7\u5236\u8d44\u683c\u53d1\u653e&#xff0c;\u907f\u514d\u8d85\u91cf\u3002<\/li>\n<li>\u7b49\u5f85\u9636\u6bb5&#xff1a;\u9875\u9762\u9759\u6001\u5316\u5e76\u7f13\u5b58\u4e8e CDN&#xff0c;\u5bf9\u52a8\u6001\u63a5\u53e3\u9650\u6d41&#xff08;\u5982 Nginx \u6a21\u5757&#xff09;&#xff0c;\u5e94\u5bf9\u6d41\u91cf\u7a81\u589e\u3002<\/li>\n<li>\u62a2\u8d2d\u9636\u6bb5&#xff1a;\u6d88\u606f\u961f\u5217\u524a\u5cf0&#xff0c;Redis \u9884\u6263\u5e93\u5b58&#xff0c;\u8ba2\u5355\u8868\u5206\u5e93\u5206\u8868&#xff0c;\u907f\u514d\u6570\u636e\u5e93\u538b\u529b\u8fc7\u5927\u3002<\/li>\n<li>\u652f\u4ed8\u9636\u6bb5&#xff1a;\u652f\u4ed8\u56de\u8c03\u540e\u5f02\u6b65\u66f4\u65b0\u8ba2\u5355\u72b6\u6001&#xff0c;\u7528\u672c\u5730\u6d88\u606f\u8868\u786e\u4fdd\u79ef\u5206\u7d2f\u8ba1\u7b49\u975e\u6838\u5fc3\u6d41\u7a0b\u7684\u6700\u7ec8\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>18. \u5343\u4e07\u7ea7\u6d41\u91cf\u67b6\u6784\u8bbe\u8ba1<\/h4>\n<ul>\n<li>\u524d\u7aef\u4f18\u5316&#xff1a;\u51cf\u5c11\u8bf7\u6c42&#xff08;\u5408\u5e76 CSS\/JS\u3001\u56fe\u7247&#xff09;\u3001\u9875\u9762\u9759\u6001\u5316&#xff08;CDN \u7f13\u5b58&#xff09;\u3001\u8fb9\u7f18\u8ba1\u7b97&#xff08;CDN \u8282\u70b9\u63d0\u4f9b\u8ba1\u7b97\u80fd\u529b&#xff09;\u3002<\/li>\n<li>\u540e\u7aef\u4f18\u5316&#xff1a;\n<ul>\n<li>\u7f51\u7edc\u5c42\u9762&#xff1a;\u4e13\u7ebf\u548c CDN \u4f18\u5316&#xff0c;\u51cf\u5c11\u5ef6\u8fdf\u3002<\/li>\n<li>\u67b6\u6784\u5c42\u9762&#xff1a;\u52a8\u9759\u5206\u79bb\u3001\u96c6\u7fa4\u90e8\u7f72\u3001\u6570\u636e\u9694\u79bb\u3001\u670d\u52a1\u62c6\u5206\u3001\u5f02\u6b65\u9a71\u52a8&#xff08;\u6d88\u606f\u961f\u5217&#xff09;\u3002<\/li>\n<li>\u6027\u80fd\u4fdd\u969c&#xff1a;\u660e\u786e\u6307\u6807&#xff08;\u5982 100 \u4e07\u5e76\u53d1\u5185 TP99&#061;2s&#xff09;\u3001\u9650\u6d41\u4fdd\u62a4\u3001\u5feb\u901f\u6269\u5bb9&#xff08;3 \u5206\u949f\u5185\u5b8c\u6210&#xff09;\u3001\u5168\u6d41\u7a0b\u6027\u80fd\u4f18\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>19. \u652f\u6301 10 \u4e07 QPS \u7684 RPC \u6846\u67b6\u8bbe\u8ba1<\/h4>\n<ul>\n<li>\u6027\u80fd\u4f18\u5316&#xff1a;\n<ul>\n<li>\u7f51\u7edc\u4f20\u8f93&#xff1a;\u91c7\u7528\u591a\u8def I\/O \u590d\u7528\u6a21\u578b&#xff08;\u5982 epoll&#xff09;&#xff0c;\u5f00\u542f tcp_nodelay \u5173\u95ed Nagle \u7b97\u6cd5&#xff0c;\u51cf\u5c11\u5ef6\u8fdf\u3002<\/li>\n<li>\u5e8f\u5217\u5316\u65b9\u5f0f&#xff1a;\u4f18\u5148\u9009\u62e9 Protobuf\/Thrift&#xff08;\u6027\u80fd\u9ad8\u3001\u8de8\u8bed\u8a00&#xff09;&#xff0c;JSON \u9002\u5408\u4f4e\u8981\u6c42\u573a\u666f\u3002<\/li>\n<li>\u8c03\u7528\u6d41\u7a0b&#xff1a;\u5ba2\u6237\u7aef\u5e8f\u5217\u5316\u8bf7\u6c42\u2192\u7f51\u7edc\u4f20\u8f93\u2192\u670d\u52a1\u7aef\u53cd\u5e8f\u5217\u5316\u5e76\u8c03\u7528\u2192\u8fd4\u56de\u7ed3\u679c&#xff0c;\u4f18\u5316\u6bcf\u4e2a\u73af\u8282\u7684\u8017\u65f6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>20. \u84dd\u7eff\u53d1\u5e03\u5b9e\u73b0<\/h4>\n<ul>\n<li>\u6838\u5fc3\u76ee\u6807&#xff1a;\u5fae\u670d\u52a1\u4e0d\u505c\u673a\u5347\u7ea7&#xff0c;\u964d\u4f4e\u90e8\u7f72\u98ce\u9669\u3002<\/li>\n<li>\u5b9e\u73b0\u601d\u8def&#xff1a;\u90e8\u7f72\u4e24\u5957\u73af\u5883&#xff08;\u84dd\u7eff&#xff09;&#xff0c;\u84dd\u73af\u5883\u4e3a\u5f53\u524d\u7248\u672c&#xff0c;\u7eff\u73af\u5883\u90e8\u7f72\u65b0\u7248\u672c\u3002\u5347\u7ea7\u65f6\u5c06\u6d41\u91cf\u9010\u6b65\u5207\u81f3\u7eff\u73af\u5883&#xff0c;\u9a8c\u8bc1\u65e0\u8bef\u540e\u5168\u91cf\u5207\u6362&#xff0c;\u6545\u969c\u65f6\u53ef\u5feb\u901f\u56de\u6eda\u81f3\u84dd\u73af\u5883&#xff0c;\u786e\u4fdd\u670d\u52a1\u8fde\u7eed\u6027\u3002<\/li>\n<\/ul>\n<h4>21. \u5982\u4f55\u6839\u636e\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u6d88\u606f\u4e2d\u95f4\u4ef6&#xff1f;<\/h4>\n<ul>\n<li>\u5e94\u7528\u573a\u666f&#xff1a;\u6838\u5fc3\u4e3a\u5f02\u6b65\u89e3\u8026&#xff08;\u5982\u7528\u6237\u6ce8\u518c\u540e\u5f02\u6b65\u8d60\u9001\u79ef\u5206\u3001\u4f18\u60e0\u5238&#xff0c;\u964d\u4f4e\u6a21\u5757\u8026\u5408&#xff09;\u548c\u524a\u5cf0\u586b\u8c37&#xff08;\u5982\u5916\u5356\u8ba2\u5355\u521b\u5efa\u65f6&#xff0c;\u901a\u8fc7\u6d88\u606f\u961f\u5217\u7f13\u51b2\u77ac\u65f6\u6d41\u91cf&#xff0c;\u4fdd\u62a4\u4e0b\u6e38\u7cfb\u7edf&#xff09;\u3002<\/li>\n<li>\u6280\u672f\u9009\u578b&#xff1a;\n<ul>\n<li>RabbitMQ&#xff1a;\u652f\u6301\u4f18\u5148\u7ea7\u961f\u5217\u7b49\u529f\u80fd&#xff0c;\u4f46\u6d88\u606f\u5806\u79ef\u80fd\u529b\u8f83\u5f31&#xff0c;\u9002\u5408\u4e2d\u5c0f\u89c4\u6a21\u573a\u666f&#xff0c;\u56e2\u961f\u6280\u672f\u6808\u4e3a Golang \u65f6\u4f18\u5148\u8003\u8651\u3002<\/li>\n<li>RocketMQ&#xff1a;\u6027\u80fd\u4f18\u79c0&#xff0c;\u652f\u6301\u6d88\u606f\u91cd\u8bd5\u3001\u8fc7\u6ee4\u3001\u8f68\u8ff9\u7b49\u529f\u80fd&#xff0c;\u9002\u5408\u6838\u5fc3\u4e1a\u52a1\u573a\u666f&#xff0c;Java \u6280\u672f\u6808\u4f18\u5148\u8003\u8651\u3002<\/li>\n<li>Kafka&#xff1a;\u9ad8\u541e\u5410\u91cf&#xff0c;\u64c5\u957f\u65e5\u5fd7\u3001\u5927\u6570\u636e\u6d41\u5f0f\u8ba1\u7b97\u573a\u666f&#xff0c;\u9002\u5408\u6570\u636e\u91cf\u6781\u5927\u7684\u573a\u666f\u3002<\/li>\n<li>\u9009\u578b\u9700\u7ed3\u5408\u6027\u80fd\u3001\u6269\u5c55\u6027\u3001\u56e2\u961f\u6280\u672f\u6808\u53ca\u529f\u80fd\u9700\u6c42&#xff0c;\u907f\u514d\u8fc7\u5ea6\u4f9d\u8d56\u5355\u4e00\u4e2d\u95f4\u4ef6\u7279\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>22. \u5982\u4f55\u63d0\u5347 RocketMQ \u987a\u5e8f\u6d88\u8d39\u6027\u80fd&#xff1f;<\/h4>\n<ul>\n<li>\u987a\u5e8f\u6d88\u8d39\u539f\u7406&#xff1a;\u57fa\u4e8e\u961f\u5217\u7ea7\u522b\u7684\u987a\u5e8f\u4fdd\u8bc1&#xff0c;\u901a\u8fc7\u52a0\u9501&#xff08;Broker \u7aef\u961f\u5217\u9501\u3001\u6d88\u8d39\u7aef MessageQueue \u548c ProcessQueue \u9501&#xff09;\u5b9e\u73b0&#xff0c;\u4f46\u5e76\u53d1\u5ea6\u53d7\u961f\u5217\u6570\u91cf\u9650\u5236\u3002<\/li>\n<li>\u8bbe\u8ba1\u7f3a\u9677&#xff1a;\u591a\u6b21\u52a0\u9501\u5bfc\u81f4\u5e76\u53d1\u6027\u80fd\u4f4e\u3002<\/li>\n<li>\u4f18\u5316\u65b9\u6848&#xff1a;\n<ul>\n<li>\u5173\u8054\u987a\u5e8f\u6027&#xff1a;\u533a\u5206\u4e0d\u540c\u4e1a\u52a1\u7684\u987a\u5e8f\u9700\u6c42&#xff08;\u5982\u540c\u4e00\u7528\u6237\u7684\u64cd\u4f5c\u9700\u987a\u5e8f&#xff0c;\u4e0d\u540c\u7528\u6237\u53ef\u5e76\u53d1&#xff09;\u3002<\/li>\n<li>\u7ebf\u7a0b\u6a21\u578b\u4f18\u5316&#xff1a;\u6309\u6d88\u606f Key \u7684\u54c8\u5e0c\u503c\u8def\u7531\u5230\u4e0d\u540c\u6d88\u8d39\u7ebf\u7a0b&#xff0c;\u540c\u4e00 Key \u7684\u6d88\u606f\u4e32\u884c\u5904\u7406&#xff0c;\u4e0d\u540c Key \u5e76\u884c&#xff0c;\u63d0\u5347\u5e76\u53d1\u5ea6\u3002<\/li>\n<li>\u6838\u5fc3\u662f\u901a\u8fc7\u7ec6\u5316\u9501\u7c92\u5ea6&#xff0c;\u5728\u4fdd\u8bc1\u4e1a\u52a1\u987a\u5e8f\u7684\u524d\u63d0\u4e0b\u63d0\u9ad8\u5e76\u884c\u5904\u7406\u80fd\u529b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>23. \u4f7f\u7528\u5206\u5e03\u5f0f\u8c03\u5ea6\u6846\u67b6\u8be5\u8003\u8651\u54ea\u4e9b\u95ee\u9898&#xff1f;<\/h4>\n<ul>\n<li>\u6838\u5fc3\u573a\u666f&#xff1a;\u4fdd\u8bc1\u5206\u5e03\u5f0f\u4e8b\u52a1\u4e00\u81f4\u6027&#xff08;\u5982\u7528\u6237\u6ce8\u518c\u540e\u6d88\u606f\u53d1\u9001\u4e0e\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u4e00\u81f4\u6027&#xff09;\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;\u91c7\u7528 \u201c\u672c\u5730\u6d88\u606f\u8868 &#043; \u5b9a\u65f6\u4efb\u52a1\u201d&#xff0c;\u901a\u8fc7 ElasticJob \u5b9e\u73b0\u5b9a\u65f6\u8c03\u5ea6&#xff1a;\n<ul>\n<li>\u672c\u5730\u6d88\u606f\u8868\u8bb0\u5f55\u5f85\u53d1\u9001\u6d88\u606f&#xff0c;\u786e\u4fdd\u6570\u636e\u5e93\u64cd\u4f5c\u4e0e\u6d88\u606f\u8bb0\u5f55\u5728\u540c\u4e00\u4e8b\u52a1\u3002<\/li>\n<li>\u5b9a\u65f6\u4efb\u52a1\u901a\u8fc7\u5206\u7247\u673a\u5236\u62c9\u53d6\u5f85\u5904\u7406\u6d88\u606f&#xff0c;\u53d1\u9001\u5230 MQ \u5e76\u66f4\u65b0\u6d88\u606f\u72b6\u6001\u3002<\/li>\n<li>\u652f\u6301\u6d41\u5f0f\u4efb\u52a1&#xff0c;\u901a\u8fc7\u5faa\u73af\u62c9\u53d6\u5904\u7406\u6570\u636e&#xff0c;\u63d0\u5347\u5b9e\u65f6\u6027&#xff1b;\u5904\u7406\u5931\u8d25\u65f6\u901a\u8fc7\u91cd\u8bd5\u673a\u5236\u8865\u507f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5173\u952e\u8981\u70b9&#xff1a;\u4efb\u52a1\u5206\u7247\u3001\u6545\u969c\u8f6c\u79fb\u3001\u6d41\u5f0f\u5904\u7406\u53ca\u6d88\u606f\u91cd\u8bd5\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h4>24. \u540c\u57ce\u591a\u6d3b\u65b9\u6848\u4e2d\u5982\u4f55\u5b9e\u73b0\u673a\u623f\u4e4b\u95f4\u7684\u6570\u636e\u540c\u6b65&#xff1f;<\/h4>\n<ul>\n<li>\u6838\u5fc3\u6570\u636e\u4e2d\u5fc3\u8bbe\u8ba1&#xff1a;\u4e3b\u5e93\u96c6\u4e2d\u5728\u4e00\u4e2a\u673a\u623f&#xff0c;\u901a\u8fc7\u4e3b\u4ece\u540c\u6b65\u81f3\u5907\u4efd\u673a\u623f&#xff0c;\u9002\u5408\u673a\u623f\u8ddd\u79bb\u226450 \u516c\u91cc\u573a\u666f&#xff0c;\u4f46\u5b58\u5728\u4e3b\u4ece\u5ef6\u8fdf\u3001\u6545\u969c\u5207\u6362\u590d\u6742\u7b49\u95ee\u9898\u3002<\/li>\n<li>Otter \u5de5\u5177&#xff1a;\u57fa\u4e8e Canal \u76d1\u63a7 MySQL \u7684 Row Binlog&#xff0c;\u5b9e\u73b0\u8de8\u673a\u623f\u53cc\u5411\u540c\u6b65&#xff1a;\n<ul>\n<li>\u89e3\u51b3\u6570\u636e\u51b2\u7a81&#xff08;\u884c\u51b2\u7a81\u901a\u8fc7\u65f6\u95f4\u6233&#xff0c;\u5b57\u6bb5\u51b2\u7a81\u901a\u8fc7\u5408\u5e76\u6216\u56de\u6e90\u67e5\u8be2&#xff09;\u3002<\/li>\n<li>\u652f\u6301\u591a\u673a\u623f\u62d3\u6251&#xff08;\u661f\u5f62\u3001\u7ea7\u8054&#xff09;&#xff0c;\u4f46\u63a8\u8350\u540c\u57ce\u53cc\u6d3b&#xff0c;\u907f\u514d\u8de8\u57ce\u5e02\u9ad8\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879&#xff1a;\u4f7f\u7528 SnowFlake \u7b97\u6cd5\u907f\u514d\u4e3b\u952e\u51b2\u7a81&#xff0c;\u8868\u7ed3\u6784\u53d8\u66f4\u9700\u517c\u5bb9&#xff0c;\u53cc\u5411\u540c\u6b65\u8868\u65e0\u9ed8\u8ba4\u503c\u4e14\u5fc5\u987b\u6709\u4e3b\u952e\u3002<\/li>\n<\/ul>\n<h4>25. \u5fae\u670d\u52a1\u67b6\u6784\u4e0b\u5982\u4f55\u8fdb\u884c\u7cfb\u7edf\u62c6\u5206&#xff1f;<\/h4>\n<ul>\n<li>\u62c6\u5206\u601d\u8def&#xff1a;\n<ul>\n<li>\u4ece\u4e0a\u5230\u4e0b\u68b3\u7406\u4e1a\u52a1\u6d41\u7a0b&#xff0c;\u6309\u9636\u6bb5&#xff08;\u5982\u8ba1\u5212\u6392\u671f\u3001\u751f\u4ea7\u4ea4\u4ed8\u3001\u552e\u540e&#xff09;\u5212\u5206\u9886\u57df\u3002<\/li>\n<li>\u4ece\u4e0b\u5230\u4e0a\u5206\u6790\u6570\u636e\u4f9d\u8d56&#xff0c;\u6309\u5b9e\u4f53\u804c\u8d23\u62c6\u5206&#xff08;\u5982\u8ba2\u5355\u4e0e\u6392\u671f\u5206\u79bb&#xff09;&#xff0c;\u907f\u514d\u6570\u636e\u4ea4\u53c9\u9891\u7e41\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u670d\u52a1\u62bd\u8c61&#xff1a;\n<ul>\n<li>\u88ab\u52a8\u62bd\u8c61\u6cd5&#xff1a;\u63d0\u53d6\u516c\u5171\u903b\u8f91\u4e3a\u516c\u5171\u670d\u52a1&#xff0c;\u9002\u5408\u521d\u671f\u9879\u76ee\u3002<\/li>\n<li>\u52a8\u6001\u8f85\u52a9\u8868&#xff1a;\u901a\u8fc7\u8f85\u52a9\u8868\u5b58\u50a8\u4e1a\u52a1\u7279\u6027\u6570\u636e&#xff0c;\u8d34\u8fd1\u4e1a\u52a1\u4f46\u9694\u79bb\u6027\u5dee\u3002<\/li>\n<li>\u5f3a\u5236\u6807\u51c6\u63a5\u53e3&#xff1a;\u5e95\u5c42\u670d\u52a1\u4ec5\u63d0\u4f9b\u6807\u51c6\u529f\u80fd&#xff0c;\u4e1a\u52a1\u4e2a\u6027\u90e8\u5206\u7531\u4e0a\u5c42\u5b9e\u73b0&#xff0c;\u964d\u4f4e\u8026\u5408\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u539f\u5219&#xff1a;\u786e\u4fdd\u62c6\u5206\u540e\u6a21\u5757\u804c\u8d23\u5355\u4e00&#xff0c;\u6570\u636e\u4f9d\u8d56\u6e05\u6670&#xff0c;\u4fbf\u4e8e\u7ef4\u62a4\u548c\u6269\u5c55\u3002<\/li>\n<\/ul>\n<h4>26. \u5982\u4f55\u89e3\u51b3\u9ad8\u5e76\u53d1\u4e0b\u5e93\u5b58\u62a2\u8d2d\u8d85\u5356\u5c11\u4e70\u95ee\u9898&#xff1f;<\/h4>\n<ul>\n<li>\u5e38\u89c1\u65b9\u6848&#xff1a;\n<ul>\n<li>\u539f\u5b50\u64cd\u4f5c&#xff1a;\u4f7f\u7528 Redis \u7684decr\u7b49\u539f\u5b50\u547d\u4ee4&#xff0c;\u907f\u514d\u8d85\u5356&#xff0c;\u5931\u8d25\u65f6\u9700\u8865\u507f\u5e93\u5b58\u3002<\/li>\n<li>\u4ee4\u724c\u5e93\u5b58&#xff1a;\u7528 Redis \u7684 List \u5b58\u50a8\u4ee4\u724c&#xff0c;\u7528\u6237\u62a2\u5e93\u5b58\u65f6\u83b7\u53d6\u4ee4\u724c&#xff0c;\u907f\u514d\u8d1f\u6570\u95ee\u9898\u3002<\/li>\n<li>\u591a\u5e93\u5b58\u79d2\u6740&#xff1a;\u62c6\u5206\u5e93\u5b58\u5230\u591a\u4e2a Key&#xff0c;\u968f\u673a\u6263\u51cf&#xff1b;\u5e93\u5b58\u4e0d\u8db3\u65f6\u9700\u5224\u65ad\u662f\u5426\u5141\u8bb8\u90e8\u5206\u8d2d\u4e70\u3002<\/li>\n<li>\u9501\u673a\u5236&#xff1a;\u81ea\u65cb\u4e92\u65a5\u9501&#xff08;\u9002\u5408\u591a\u6b65\u64cd\u4f5c&#xff09;\u3001CAS \u4e50\u89c2\u9501&#xff08;\u4e89\u62a2\u5c11\u65f6\u6548\u7387\u9ad8&#xff09;\u3001Redis Lua \u811a\u672c&#xff08;\u4fdd\u8bc1\u591a\u64cd\u4f5c\u539f\u5b50\u6027&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6838\u5fc3&#xff1a;\u51cf\u5c11\u9501\u4e89\u62a2&#xff0c;\u5229\u7528\u539f\u5b50\u64cd\u4f5c\u6216\u5206\u5e03\u5f0f\u9501\u4fdd\u8bc1\u5e93\u5b58\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h4>27. \u9ad8\u5e76\u53d1\u4e0b\u6570\u636e\u5199\u5165\u4e3a\u4f55\u4e0d\u63a8\u8350\u5173\u7cfb\u6570\u636e\u5e93&#xff1f;<\/h4>\n<ul>\n<li>\u5173\u7cfb\u6570\u636e\u5e93\u9650\u5236&#xff1a;\u57fa\u4e8e B&#043;Tree \u7d22\u5f15&#xff0c;\u6811\u6df1\u5ea6\u968f\u6570\u636e\u91cf\u589e\u52a0\u5bfc\u81f4 IO \u589e\u591a&#xff0c;\u5199\u5165\u6027\u80fd\u4e0b\u964d&#xff1b;\u4e3b\u4ece\u67b6\u6784\u4e0b\u4e3b\u5e93\u538b\u529b\u96c6\u4e2d&#xff0c;\u4e0d\u9002\u5408\u9ad8\u5e76\u53d1\u5199\u5165\u3002<\/li>\n<li>\u66ff\u4ee3\u65b9\u6848&#xff1a;\n<ul>\n<li>LSM Tree&#xff1a;\u5982 RocksDB&#xff0c;\u901a\u8fc7\u5185\u5b58\u6682\u5b58 &#043; \u987a\u5e8f\u5199\u78c1\u76d8&#xff0c;\u5408\u5e76\u5c0f\u6587\u4ef6\u51cf\u5c11 IO&#xff0c;\u9002\u5408\u5199\u591a\u8bfb\u5c11\u573a\u666f\u3002<\/li>\n<li>\u5217\u5b58\u50a8\u6570\u636e\u5e93&#xff1a;\u6309\u5217\u5b58\u50a8&#xff0c;\u9002\u5408\u6570\u636e\u5206\u6790\u573a\u666f&#xff0c;\u51cf\u5c11\u65e0\u6548 IO&#xff0c;\u538b\u7f29\u6548\u7387\u9ad8\u3002<\/li>\n<li>HTAP&#xff1a;\u878d\u5408 OLAP \u548c OLTP&#xff0c;\u540c\u4e00\u6570\u636e\u652f\u6301\u884c \/ \u5217\u5b58\u50a8&#xff0c;\u81ea\u52a8\u9009\u62e9\u5f15\u64ce\u4f18\u5316\u67e5\u8be2\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7ed3\u8bba&#xff1a;\u5173\u7cfb\u6570\u636e\u5e93\u9002\u5408\u4e8b\u52a1\u6027\u64cd\u4f5c&#xff0c;\u9ad8\u5e76\u53d1\u5199\u5165\u9700\u7ed3\u5408 LSM Tree \u6216\u5217\u5b58\u50a8\u7b49\u65b9\u6848\u3002<\/li>\n<\/ul>\n<h4>28. \u5982\u4f55\u8bbe\u8ba1\u5206\u5e03\u5f0f\u94fe\u8def\u8ddf\u8e2a\u7cfb\u7edf&#xff1f;<\/h4>\n<ul>\n<li>\u6838\u5fc3\u7ec4\u4ef6&#xff1a;\u57fa\u4e8e ELK \u6808&#xff08;Filebeat \u6536\u96c6\u3001Kafka \u4f20\u8f93\u3001Elasticsearch \u5b58\u50a8\u3001Kibana \u5206\u6790&#xff09;\u3002<\/li>\n<li>\u5173\u952e\u8bbe\u8ba1&#xff1a;\n<ul>\n<li>TraceID&#xff1a;\u6807\u8bc6\u5355\u6b21\u8bf7\u6c42&#xff0c;\u8d2f\u7a7f\u6574\u4e2a\u8c03\u7528\u94fe\u8def\u3002<\/li>\n<li>RPCID\/SpanID&#xff1a;RPCID&#xff08;\u5c42\u7ea7\u8ba1\u6570\u5668&#xff09;\u6216 SpanID&#xff08;\u94fe\u5f0f\u4f9d\u8d56&#xff09;\u8bb0\u5f55\u8c03\u7528\u5173\u7cfb&#xff0c;\u4e32\u8054\u65e5\u5fd7\u3002<\/li>\n<li>\u65e5\u5fd7\u89c4\u8303&#xff1a;JSON \u683c\u5f0f&#xff0c;\u5305\u542b\u7c7b\u578b&#xff08;\u8bf7\u6c42\u3001\u6570\u636e\u5e93\u64cd\u4f5c\u3001\u9519\u8bef\u7b49&#xff09;\u3001\u65f6\u95f4\u6233\u3001\u8017\u65f6\u7b49\u5b57\u6bb5&#xff0c;\u652f\u6301 Metrics \u7edf\u8ba1\u3002<\/li>\n<li>\u57cb\u70b9 SDK&#xff1a;\u901a\u8fc7 AOP \u6216\u4fb5\u5165\u5f0f\u57cb\u70b9&#xff0c;\u8bb0\u5f55\u8c03\u7528\u94fe\u8def\u4fe1\u606f&#xff0c;\u786e\u4fdd\u65e5\u5fd7\u5168\u91cf\u4e14\u683c\u5f0f\u7edf\u4e00\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f18\u52bf&#xff1a;\u5168\u91cf\u65e5\u5fd7\u8ddf\u8e2a&#xff0c;\u652f\u6301\u95ee\u9898\u6392\u67e5\u3001\u6027\u80fd\u5206\u6790\u53ca\u8c03\u7528\u5173\u7cfb\u53ef\u89c6\u5316\u3002<\/li>\n<\/ul>\n<h4>29. \u5982\u4f55\u4f18\u5316\u67b6\u6784\u7f13\u89e3\u6d41\u91cf\u538b\u529b\u63d0\u5347\u5e76\u53d1\u6027\u80fd&#xff1f;<\/h4>\n<ul>\n<li>\u53ef\u9884\u4f30\u7528\u6237\u91cf\u573a\u666f&#xff1a;\u5982\u6e38\u620f\u623f\u95f4&#xff0c;\u901a\u8fc7\u8c03\u5ea6\u670d\u52a1\u5206\u914d\u96c6\u7fa4&#xff0c;\u9650\u5236\u5355\u670d\u623f\u95f4\u6570&#xff0c;\u7cbe\u51c6\u63a7\u5236\u8d44\u6e90\u3002<\/li>\n<li>\u4e0d\u53ef\u9884\u4f30\u7528\u6237\u91cf\u573a\u666f&#xff1a;\u5982\u76f4\u64ad\u4e92\u52a8&#xff1a;\n<ul>\n<li>\u804a\u5929&#xff1a;\u5408\u5e76\u91cd\u590d\u6d88\u606f&#xff0c;\u901a\u8fc7\u961f\u5217\u7f13\u51b2&#xff0c;\u6279\u91cf\u62c9\u53d6\u964d\u4f4e\u538b\u529b\u3002<\/li>\n<li>\u7b54\u9898&#xff1a;\u5ba2\u6237\u7aef\u5ef6\u8fdf\u8bf7\u6c42&#xff0c;\u9884\u52a0\u8f7d\u9898\u76ee&#xff0c;\u5f02\u6b65\u63d0\u4ea4\u7ed3\u679c\u3002<\/li>\n<li>\u70b9\u8d5e&#xff1a;\u5ba2\u6237\u7aef\u5408\u5e76\u64cd\u4f5c&#xff0c;\u670d\u52a1\u7aef\u901a\u8fc7\u591a\u5c42\u6c47\u603b&#xff08;\u672c\u5730\u7f13\u5b58\u2192\u4e8c\u7ea7\u7f13\u5b58\u2192\u6838\u5fc3\u7f13\u5b58&#xff09;\u5206\u6563\u538b\u529b\u3002<\/li>\n<li>\u6253\u8d4f \/ \u8d2d\u7269&#xff1a;\u6309\u7528\u6237 ID \u5206\u7247&#xff0c;\u901a\u8fc7\u4ee3\u7406\u670d\u52a1\u52a8\u6001\u6269\u5bb9&#xff0c;\u652f\u6301\u70ed\u8fc1\u79fb\u5207\u7247\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u670d\u52a1\u964d\u7ea7&#xff1a;\u901a\u8fc7\u961f\u5217\u7f13\u51b2\u6216\u9650\u6d41&#xff0c;\u727a\u7272\u90e8\u5206\u5b9e\u65f6\u6027\u4fdd\u8bc1\u7cfb\u7edf\u7a33\u5b9a\u3002<\/li>\n<\/ul>\n<h4>30. \u590d\u6742\u67b6\u6784\u4e3a\u4f55\u9700\u8981\u5206\u5c42\u8bbe\u8ba1&#xff1f;<\/h4>\n<ul>\n<li>\u5206\u5c42\u4f18\u52bf&#xff1a;\n<ul>\n<li>\u7b80\u5316\u8bbe\u8ba1&#xff1a;\u4e0d\u540c\u56e2\u961f\u4e13\u6ce8\u67d0\u4e00\u5c42&#xff08;\u5982\u8868\u73b0\u5c42\u3001\u903b\u8f91\u5c42&#xff09;&#xff0c;\u964d\u4f4e\u590d\u6742\u5ea6\u3002<\/li>\n<li>\u590d\u7528\u6027\u9ad8&#xff1a;\u63d0\u53d6\u901a\u7528\u5c42&#xff08;\u5982 Manager \u5c42&#xff09;\u4f9b\u591a\u7cfb\u7edf\u4f7f\u7528\u3002<\/li>\n<li>\u4fbf\u4e8e\u6269\u5c55&#xff1a;\u9488\u5bf9\u74f6\u9888\u5c42&#xff08;\u5982 CPU \u5bc6\u96c6\u7684\u903b\u8f91\u5c42&#xff09;\u5355\u72ec\u6269\u5bb9&#xff0c;\u964d\u4f4e\u6210\u672c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5206\u5c42\u5b9e\u8df5&#xff1a;\u53c2\u8003\u963f\u91cc\u67b6\u6784&#xff0c;\u5206\u4e3a\u7ec8\u7aef\u663e\u793a\u5c42\u3001\u5f00\u653e\u63a5\u53e3\u5c42\u3001Web \u5c42\u3001Service \u5c42\u3001Manager \u5c42\u3001DAO \u5c42&#xff0c;\u5404\u5c42\u804c\u8d23\u6e05\u6670&#xff0c;\u901a\u8fc7 Manager \u5c42\u5c01\u88c5\u901a\u7528\u80fd\u529b&#xff0c;Service \u5c42\u7f16\u6392\u4e1a\u52a1\u903b\u8f91&#xff0c;\u5b9e\u73b0\u9ad8\u5185\u805a\u4f4e\u8026\u5408\u3002<\/li>\n<\/ul>\n<h4>31. \u5206\u5e03\u5f0f\u4e8b\u52a1\u5e38\u89c1\u89e3\u51b3\u65b9\u6848\u53ca\u9002\u7528\u573a\u666f<\/h4>\n<ul>\n<li>\u6838\u5fc3\u95ee\u9898&#xff1a;\u4fdd\u8bc1\u8de8\u670d\u52a1\u64cd\u4f5c\u7684\u6570\u636e\u4e00\u81f4\u6027&#xff08;\u5982\u4e0b\u5355\u65f6\u6263\u5e93\u5b58\u4e0e\u521b\u5efa\u8ba2\u5355\u9700\u540c\u65f6\u6210\u529f\u6216\u5931\u8d25&#xff09;\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;\n<ul>\n<li>2PC&#xff08;\u4e24\u9636\u6bb5\u63d0\u4ea4&#xff09;&#xff1a;\u5206\u51c6\u5907\u548c\u63d0\u4ea4\u9636\u6bb5&#xff0c;\u5f3a\u4e00\u81f4\u6027\u4f46\u6027\u80fd\u5dee&#xff0c;\u9002\u5408\u94f6\u884c\u7b49\u5bf9\u4e00\u81f4\u6027\u8981\u6c42\u6781\u9ad8\u7684\u573a\u666f\u3002<\/li>\n<li>TCC&#xff08;Try-Confirm-Cancel&#xff09;&#xff1a;\u4e1a\u52a1\u5c42\u62c6\u5206\u4e09\u4e2a\u64cd\u4f5c&#xff0c;\u7075\u6d3b\u6027\u9ad8\u4f46\u5f00\u53d1\u6210\u672c\u9ad8&#xff0c;\u9002\u5408\u6838\u5fc3\u4e1a\u52a1&#xff08;\u5982\u652f\u4ed8&#xff09;\u3002<\/li>\n<li>\u672c\u5730\u6d88\u606f\u8868&#xff1a;\u901a\u8fc7\u672c\u5730\u4e8b\u52a1\u8bb0\u5f55\u6d88\u606f&#xff0c;\u5b9a\u65f6\u540c\u6b65\u81f3 MQ&#xff0c;\u6700\u7ec8\u4e00\u81f4\u6027&#xff0c;\u9002\u5408\u975e\u6838\u5fc3\u573a\u666f&#xff08;\u5982\u79ef\u5206\u53d1\u653e&#xff09;\u3002<\/li>\n<li>SAGA \u6a21\u5f0f&#xff1a;\u957f\u4e8b\u52a1\u62c6\u5206\u4e3a\u77ed\u4e8b\u52a1\u94fe&#xff0c;\u5931\u8d25\u65f6\u9006\u5411\u8865\u507f&#xff0c;\u9002\u5408\u957f\u6d41\u7a0b\u4e1a\u52a1&#xff08;\u5982\u8ba2\u5355\u5c65\u7ea6&#xff09;\u3002<\/li>\n<li>\u9009\u62e9\u539f\u5219&#xff1a;\u4f18\u5148\u6700\u7ec8\u4e00\u81f4\u6027\u65b9\u6848\u964d\u4f4e\u590d\u6742\u5ea6&#xff0c;\u6838\u5fc3\u573a\u666f\u6309\u9700\u9009\u62e9\u5f3a\u4e00\u81f4\u6027\u65b9\u6848\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>32. \u7f13\u5b58\u4e09\u5927\u95ee\u9898&#xff08;\u96ea\u5d29\u3001\u7a7f\u900f\u3001\u51fb\u7a7f&#xff09;\u53ca\u89e3\u51b3\u529e\u6cd5<\/h4>\n<ul>\n<li>\u7f13\u5b58\u96ea\u5d29&#xff1a;\u5927\u91cf\u7f13\u5b58\u540c\u65f6\u5931\u6548&#xff0c;\u8bf7\u6c42\u76f4\u8fbe\u6570\u636e\u5e93\u3002<br \/>\n\u89e3\u51b3&#xff1a;\u8fc7\u671f\u65f6\u95f4\u52a0\u968f\u673a\u503c\u907f\u514d\u540c\u65f6\u5931\u6548&#xff1b;\u591a\u7ea7\u7f13\u5b58&#xff08;\u672c\u5730\u7f13\u5b58 &#043; \u5206\u5e03\u5f0f\u7f13\u5b58&#xff09;&#xff1b;\u7194\u65ad\u964d\u7ea7\u4fdd\u62a4\u6570\u636e\u5e93\u3002<\/li>\n<li>\u7f13\u5b58\u7a7f\u900f&#xff1a;\u67e5\u8be2\u4e0d\u5b58\u5728\u7684\u6570\u636e&#xff0c;\u7f13\u5b58\u65e0\u547d\u4e2d&#xff0c;\u9891\u7e41\u8bbf\u95ee\u6570\u636e\u5e93\u3002<br \/>\n\u89e3\u51b3&#xff1a;\u5e03\u9686\u8fc7\u6ee4\u5668\u8fc7\u6ee4\u65e0\u6548\u8bf7\u6c42&#xff1b;\u7f13\u5b58\u7a7a\u503c&#xff08;\u77ed\u671f\u8fc7\u671f&#xff09;&#xff1b;\u63a5\u53e3\u5c42\u6821\u9a8c\u62e6\u622a\u3002<\/li>\n<li>\u7f13\u5b58\u51fb\u7a7f&#xff1a;\u70ed\u70b9 Key \u7a81\u7136\u5931\u6548&#xff0c;\u5927\u91cf\u8bf7\u6c42\u51b2\u51fb\u6570\u636e\u5e93\u3002<br \/>\n\u89e3\u51b3&#xff1a;\u4e92\u65a5\u9501&#xff08;\u5982 Redis \u7684 SETNX&#xff09;\u63a7\u5236\u5e76\u53d1\u91cd\u5efa\u7f13\u5b58&#xff1b;\u70ed\u70b9\u6570\u636e\u8bbe\u7f6e\u6c38\u4e0d\u8fc7\u671f&#xff1b;\u5f02\u6b65\u540e\u53f0\u66f4\u65b0\u7f13\u5b58\u3002<\/li>\n<\/ul>\n<h4>33. JVM \u6027\u80fd\u4f18\u5316\u6838\u5fc3\u8981\u70b9<\/h4>\n<ul>\n<li>\u5185\u5b58\u6a21\u578b&#xff1a;\u533a\u5206\u5806&#xff08;\u65b0\u751f\u4ee3\u3001\u8001\u5e74\u4ee3&#xff09;\u3001\u65b9\u6cd5\u533a\u3001\u76f4\u63a5\u5185\u5b58&#xff0c;\u907f\u514d OOM&#xff08;\u5982\u65b0\u751f\u4ee3\u8fc7\u5c0f\u5bfc\u81f4\u9891\u7e41 GC&#xff0c;\u8001\u5e74\u4ee3\u6ea2\u51fa&#xff09;\u3002<\/li>\n<li>\u5783\u573e\u56de\u6536&#xff1a;\n<ul>\n<li>\u5e74\u8f7b\u4ee3\u7528 Minor GC&#xff08;\u590d\u5236\u7b97\u6cd5&#xff09;&#xff0c;\u8001\u5e74\u4ee3\u7528 Major GC&#xff08;\u6807\u8bb0 &#8211; \u6e05\u9664 \/ \u6574\u7406&#xff09;\u3002<\/li>\n<li>\u9009\u5408\u9002\u6536\u96c6\u5668&#xff1a;G1 \u9002\u5408\u5927\u5806\u573a\u666f&#xff0c;ZGC\/Shenandoah \u9002\u5408\u4f4e\u5ef6\u8fdf\u9700\u6c42\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8c03\u4f18\u53c2\u6570&#xff1a;\n<ul>\n<li>\u5806\u5927\u5c0f&#xff1a;-Xms&#061;-Xmx\u907f\u514d\u52a8\u6001\u6269\u5bb9&#xff1b;\u65b0\u751f\u4ee3\u5360\u6bd4 1\/3~1\/2\u3002<\/li>\n<li>\u6536\u96c6\u5668\u53c2\u6570&#xff1a;-XX:&#043;UseG1GC\u542f\u7528 G1&#xff0c;-XX:MaxGCPauseMillis\u63a7\u5236\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u95ee\u9898\u6392\u67e5&#xff1a;\u7528 jstack \u5206\u6790\u7ebf\u7a0b\u963b\u585e&#xff0c;jmap \u67e5\u770b\u5185\u5b58\u5feb\u7167&#xff0c;Arthas \u5b9e\u65f6\u8bca\u65ad\u7ebf\u4e0a\u95ee\u9898\u3002<\/li>\n<\/ul>\n<h4>34. \u5e76\u53d1\u7f16\u7a0b\u5173\u952e\u6280\u672f\u53ca\u5b9e\u8df5<\/h4>\n<ul>\n<li>\u7ebf\u7a0b\u6c60&#xff1a;\u6838\u5fc3\u53c2\u6570&#xff08;\u6838\u5fc3\u7ebf\u7a0b\u6570\u3001\u6700\u5927\u7ebf\u7a0b\u6570\u3001\u961f\u5217\u3001\u62d2\u7edd\u7b56\u7565&#xff09;\u9700\u5339\u914d\u4e1a\u52a1&#xff08;CPU \u5bc6\u96c6\u578b&#xff1a;\u7ebf\u7a0b\u6570\u2248\u6838\u6570&#xff1b;IO \u5bc6\u96c6\u578b&#xff1a;\u7ebf\u7a0b\u6570\u22482 * \u6838\u6570&#xff09;\u3002<\/li>\n<li>\u7ebf\u7a0b\u5b89\u5168&#xff1a;\n<ul>\n<li>\u540c\u6b65\u673a\u5236&#xff1a;synchronized&#xff08;\u81ea\u52a8\u91ca\u653e\u9501&#xff09;\u3001ReentrantLock&#xff08;\u53ef\u4e2d\u65ad\u3001\u8d85\u65f6&#xff09;\u3002<\/li>\n<li>\u53ef\u89c1\u6027&#xff1a;volatile \u7981\u6b62\u6307\u4ee4\u91cd\u6392&#xff0c;\u4fdd\u8bc1\u591a\u7ebf\u7a0b\u6570\u636e\u53ef\u89c1\u3002<\/li>\n<li>\u539f\u5b50\u7c7b&#xff1a;AtomicInteger \u7b49\u901a\u8fc7 CAS \u907f\u514d\u9501\u7ade\u4e89\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5e76\u53d1\u5bb9\u5668&#xff1a;\n<ul>\n<li>ConcurrentHashMap&#xff08;\u5206\u6bb5\u9501\u2192CAS \u4f18\u5316&#xff0c;\u7ebf\u7a0b\u5b89\u5168&#xff09;\u3002<\/li>\n<li>CopyOnWriteArrayList&#xff08;\u8bfb\u5199\u5206\u79bb&#xff0c;\u9002\u5408\u8bfb\u591a\u5199\u5c11&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u9501\u4f18\u5316&#xff1a;\u504f\u5411\u9501\u2192\u8f7b\u91cf\u7ea7\u9501\u2192\u91cd\u91cf\u7ea7\u9501\u7684\u5347\u7ea7\u673a\u5236&#xff0c;\u51cf\u5c11\u9501\u7ade\u4e89&#xff08;\u5982\u7f29\u5c0f\u540c\u6b65\u4ee3\u7801\u5757\u8303\u56f4&#xff09;\u3002<\/li>\n<\/ul>\n<h4>35. \u5fae\u670d\u52a1\u6cbb\u7406\u6838\u5fc3\u7ec4\u4ef6\u53ca\u4f5c\u7528<\/h4>\n<ul>\n<li>\u670d\u52a1\u6ce8\u518c\u53d1\u73b0&#xff1a;Nacos\/Eureka \u7ba1\u7406\u670d\u52a1\u5730\u5740&#xff0c;\u652f\u6301\u52a8\u6001\u6269\u7f29\u5bb9&#xff0c;\u907f\u514d\u786c\u7f16\u7801\u3002<\/li>\n<li>\u914d\u7f6e\u4e2d\u5fc3&#xff1a;Nacos\/Apollo \u96c6\u4e2d\u7ba1\u7406\u914d\u7f6e&#xff0c;\u52a8\u6001\u63a8\u9001\u66f4\u65b0&#xff08;\u5982\u5f00\u5173\u3001\u9650\u6d41\u9608\u503c&#xff09;&#xff0c;\u65e0\u9700\u91cd\u542f\u670d\u52a1\u3002<\/li>\n<li>\u7194\u65ad\u964d\u7ea7&#xff1a;Sentinel\/Hystrix \u76d1\u63a7\u670d\u52a1\u5065\u5eb7&#xff0c;\u6545\u969c\u65f6\u7194\u65ad\u907f\u514d\u7ea7\u8054\u5931\u8d25&#xff0c;\u964d\u7ea7\u8fd4\u56de\u515c\u5e95\u6570\u636e\u3002<\/li>\n<li>API \u7f51\u5173&#xff1a;Spring Cloud Gateway \u8def\u7531\u8bf7\u6c42\u3001\u9274\u6743\u3001\u9650\u6d41\u3001\u65e5\u5fd7\u6536\u96c6&#xff0c;\u7edf\u4e00\u5165\u53e3\u7b80\u5316\u8c03\u7528\u3002<\/li>\n<li>\u94fe\u8def\u8ffd\u8e2a&#xff1a;Sleuth&#043;Zipkin \u8ffd\u8e2a\u8de8\u670d\u52a1\u8c03\u7528&#xff0c;\u5b9a\u4f4d\u6027\u80fd\u74f6\u9888\u548c\u5f02\u5e38\u8282\u70b9\u3002<\/li>\n<\/ul>\n<h4>36. \u5206\u5e03\u5f0f ID \u751f\u6210\u65b9\u6848\u53ca\u9009\u578b<\/h4>\n<ul>\n<li>\u6838\u5fc3\u9700\u6c42&#xff1a;\u4fdd\u8bc1\u5168\u5c40\u552f\u4e00\u3001\u8d8b\u52bf\u9012\u589e&#xff08;\u5229\u4e8e\u6570\u636e\u5e93\u7d22\u5f15&#xff09;\u3001\u9ad8\u53ef\u7528\u3001\u9ad8\u6027\u80fd\u3002<\/li>\n<li>\u5e38\u89c1\u65b9\u6848&#xff1a;\n<ul>\n<li>UUID\/GUID&#xff1a;\u7b80\u5355\u6613\u7528&#xff0c;\u4f46\u65e0\u5e8f\u4e14\u5360\u7a7a\u95f4\u5927&#xff0c;\u4e0d\u9002\u5408\u4f5c\u4e3a\u6570\u636e\u5e93\u4e3b\u952e\u3002<\/li>\n<li>\u6570\u636e\u5e93\u81ea\u589e ID&#xff1a;\u5355\u673a\u53ef\u884c&#xff0c;\u5206\u5e03\u5f0f\u573a\u666f\u4e0b\u9700\u5206\u5e93\u5206\u8868\u914d\u5408\u81ea\u589e\u6b65\u957f&#xff0c;\u6613\u5f15\u53d1 ID \u51b2\u7a81\u3002<\/li>\n<li>\u96ea\u82b1\u7b97\u6cd5&#xff08;Snowflake&#xff09;&#xff1a;64 \u4f4d ID&#xff0c;\u5305\u542b\u65f6\u95f4\u6233\u3001\u673a\u5668 ID\u3001\u5e8f\u5217\u53f7&#xff0c;\u652f\u6301\u5206\u5e03\u5f0f\u4e14\u8d8b\u52bf\u9012\u589e&#xff0c;\u9700\u4fdd\u8bc1\u673a\u5668 ID \u552f\u4e00\u3002<\/li>\n<li>Redis \u81ea\u589e&#xff1a;\u5229\u7528INCR\u547d\u4ee4\u751f\u6210&#xff0c;\u6027\u80fd\u9ad8\u4f46\u4f9d\u8d56 Redis \u53ef\u7528\u6027&#xff0c;\u9700\u505a\u597d\u6301\u4e45\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u9009\u578b\u5efa\u8bae&#xff1a;\u9ad8\u5e76\u53d1\u573a\u666f\u4f18\u5148\u9009\u96ea\u82b1\u7b97\u6cd5&#xff0c;\u7b80\u5355\u573a\u666f\u53ef\u7528 Redis \u81ea\u589e&#xff0c;\u907f\u514d UUID \u4f5c\u4e3a\u4e3b\u952e\u3002<\/li>\n<\/ul>\n<h4>37. \u5206\u5e93\u5206\u8868\u540e\u5982\u4f55\u89e3\u51b3\u8de8\u5e93\u4e8b\u52a1\u95ee\u9898<\/h4>\n<ul>\n<li>\u6311\u6218&#xff1a;\u4f20\u7edf\u5355\u673a\u4e8b\u52a1\u65e0\u6cd5\u8986\u76d6\u591a\u5e93\u8868\u64cd\u4f5c&#xff0c;\u6613\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;\n<ul>\n<li>\u6700\u7ec8\u4e00\u81f4\u6027\u65b9\u6848&#xff1a;\u57fa\u4e8e\u672c\u5730\u6d88\u606f\u8868 &#043; \u5b9a\u65f6\u4efb\u52a1&#xff0c;\u901a\u8fc7\u6d88\u606f\u961f\u5217\u5f02\u6b65\u8865\u507f&#xff0c;\u9002\u5408\u975e\u6838\u5fc3\u4e1a\u52a1\u3002<\/li>\n<li>TCC \u6a21\u5f0f&#xff1a;Try&#xff08;\u9884\u7559\u8d44\u6e90&#xff09;\u3001Confirm&#xff08;\u786e\u8ba4\u63d0\u4ea4&#xff09;\u3001Cancel&#xff08;\u53d6\u6d88\u91ca\u653e&#xff09;&#xff0c;\u4e1a\u52a1\u4fb5\u5165\u6027\u9ad8&#xff0c;\u9002\u5408\u6838\u5fc3\u573a\u666f&#xff08;\u5982\u652f\u4ed8&#xff09;\u3002<\/li>\n<li>SAGA \u6a21\u5f0f&#xff1a;\u5c06\u957f\u4e8b\u52a1\u62c6\u5206\u4e3a\u77ed\u4e8b\u52a1\u94fe&#xff0c;\u5931\u8d25\u65f6\u6267\u884c\u9006\u5411\u8865\u507f\u64cd\u4f5c&#xff0c;\u9002\u5408\u6d41\u7a0b\u578b\u4e1a\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879&#xff1a;\u4f18\u5148\u4fdd\u8bc1\u6838\u5fc3\u4e1a\u52a1\u6570\u636e\u4e00\u81f4\u6027&#xff0c;\u975e\u6838\u5fc3\u4e1a\u52a1\u53ef\u63a5\u53d7\u6700\u7ec8\u4e00\u81f4\u6027\u4ee5\u964d\u4f4e\u590d\u6742\u5ea6\u3002<\/li>\n<\/ul>\n<h4>38. \u5982\u4f55\u8bbe\u8ba1\u9ad8\u53ef\u7528\u7684 Redis \u96c6\u7fa4<\/h4>\n<ul>\n<li>\u67b6\u6784\u9009\u578b&#xff1a;\n<ul>\n<li>\u4e3b\u4ece\u590d\u5236&#xff1a;\u4e3b\u5e93\u5199\u5165&#xff0c;\u4ece\u5e93\u53ea\u8bfb&#xff0c;\u89e3\u51b3\u5355\u8282\u70b9\u8bfb\u538b\u529b&#xff0c;\u4f46\u4e3b\u5e93\u6545\u969c\u9700\u624b\u52a8\u5207\u6362\u3002<\/li>\n<li>\u54e8\u5175\u6a21\u5f0f&#xff08;Sentinel&#xff09;&#xff1a;\u81ea\u52a8\u76d1\u63a7\u4e3b\u4ece\u8282\u70b9&#xff0c;\u4e3b\u5e93\u6545\u969c\u65f6\u81ea\u52a8\u5207\u6362\u4ece\u5e93\u4e3a\u4e3b\u5e93&#xff0c;\u63d0\u5347\u53ef\u7528\u6027\u3002<\/li>\n<li>Redis Cluster&#xff1a;\u5206\u7247\u5b58\u50a8\u6570\u636e&#xff0c;\u6bcf\u4e2a\u5206\u7247\u6709\u4e3b\u4ece\u8282\u70b9&#xff0c;\u652f\u6301\u6c34\u5e73\u6269\u5bb9&#xff0c;\u9002\u5408\u5927\u89c4\u6a21\u6570\u636e\u573a\u666f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5173\u952e\u4f18\u5316&#xff1a;\n<ul>\n<li>\u907f\u514d\u5927 Key&#xff08;\u5982\u8d85\u8fc7 100KB&#xff09;&#xff0c;\u9632\u6b62\u963b\u585e\u96c6\u7fa4\u3002<\/li>\n<li>\u5408\u7406\u8bbe\u7f6e\u5185\u5b58\u6dd8\u6c70\u7b56\u7565&#xff08;\u5982allkeys-lru&#xff09;&#xff0c;\u9632\u6b62 OOM\u3002<\/li>\n<li>\u5f00\u542f AOF&#043;RDB \u6df7\u5408\u6301\u4e45\u5316&#xff0c;\u517c\u987e\u6570\u636e\u5b89\u5168\u6027\u548c\u6062\u590d\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>39. \u5982\u4f55\u4f18\u5316 MySQL \u67e5\u8be2\u6027\u80fd<\/h4>\n<ul>\n<li>\u7d22\u5f15\u4f18\u5316&#xff1a;\n<ul>\n<li>\u5efa\u7acb\u5408\u9002\u7d22\u5f15&#xff08;\u5982\u4e3b\u952e\u7d22\u5f15\u3001\u8054\u5408\u7d22\u5f15&#xff09;&#xff0c;\u907f\u514d\u7d22\u5f15\u5931\u6548&#xff08;\u5982\u4f7f\u7528!&#061;\u3001\u51fd\u6570\u64cd\u4f5c\u7d22\u5f15\u5217&#xff09;\u3002<\/li>\n<li>\u8054\u5408\u7d22\u5f15\u9075\u5faa \u201c\u6700\u5de6\u524d\u7f00\u539f\u5219\u201d&#xff0c;\u5408\u7406\u5b89\u6392\u5b57\u6bb5\u987a\u5e8f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>SQL \u4f18\u5316&#xff1a;\n<ul>\n<li>\u907f\u514dSELECT *&#xff0c;\u53ea\u67e5\u8be2\u5fc5\u8981\u5b57\u6bb5\u3002<\/li>\n<li>\u51cf\u5c11\u5b50\u67e5\u8be2&#xff0c;\u6539\u7528 JOIN&#xff1b;\u907f\u514dOR&#xff0c;\u6539\u7528UNION\u3002<\/li>\n<li>\u5927\u8868\u5206\u9875\u7528WHERE id &gt; \u4e0a\u4e00\u9875\u6700\u5927ID\u66ff\u4ee3LIMIT offset, rows\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u67b6\u6784\u4f18\u5316&#xff1a;\n<ul>\n<li>\u8bfb\u5199\u5206\u79bb&#xff1a;\u4e3b\u5e93\u5199\u5165&#xff0c;\u4ece\u5e93\u8bfb\u53d6&#xff0c;\u5206\u6563\u538b\u529b\u3002<\/li>\n<li>\u5206\u5e93\u5206\u8868&#xff1a;\u6309\u4e1a\u52a1\u7ef4\u5ea6&#xff08;\u5982\u7528\u6237 ID&#xff09;\u62c6\u5206&#xff0c;\u964d\u4f4e\u5355\u8868\u6570\u636e\u91cf\u3002<\/li>\n<li>\u7f13\u5b58\u70ed\u70b9\u6570\u636e&#xff1a;\u5c06\u9ad8\u9891\u67e5\u8be2\u7ed3\u679c\u653e\u5165 Redis&#xff0c;\u51cf\u5c11\u6570\u636e\u5e93\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>40. \u5fae\u670d\u52a1\u63a5\u53e3\u8bbe\u8ba1\u539f\u5219<\/h4>\n<ul>\n<li>\u5355\u4e00\u804c\u8d23&#xff1a;\u4e00\u4e2a\u63a5\u53e3\u53ea\u5904\u7406\u4e00\u4e2a\u4e1a\u52a1\u573a\u666f&#xff08;\u5982 \u201c\u521b\u5efa\u8ba2\u5355\u201d \u548c \u201c\u67e5\u8be2\u8ba2\u5355\u201d \u5206\u79bb&#xff09;&#xff0c;\u907f\u514d\u63a5\u53e3\u81c3\u80bf\u3002<\/li>\n<li>\u5e42\u7b49\u6027&#xff1a;\u901a\u8fc7\u552f\u4e00\u6807\u8bc6&#xff08;\u5982\u8ba2\u5355\u53f7&#xff09;\u4fdd\u8bc1\u91cd\u590d\u8c03\u7528\u7ed3\u679c\u4e00\u81f4&#xff0c;\u9632\u6b62\u91cd\u590d\u63d0\u4ea4&#xff08;\u5982\u652f\u4ed8\u63a5\u53e3&#xff09;\u3002<\/li>\n<li>\u7248\u672c\u63a7\u5236&#xff1a;\u63a5\u53e3 URL \u5305\u542b\u7248\u672c\u53f7&#xff08;\u5982\/api\/v1\/order&#xff09;&#xff0c;\u4fbf\u4e8e\u8fed\u4ee3\u517c\u5bb9\u65e7\u7248\u672c\u3002<\/li>\n<li>\u9650\u6d41\u964d\u7ea7&#xff1a;\u63a5\u53e3\u5c42\u8bbe\u7f6e\u9650\u6d41\u89c4\u5219&#xff08;\u5982 QPS \u9608\u503c&#xff09;&#xff0c;\u5f02\u5e38\u65f6\u8fd4\u56de\u964d\u7ea7\u54cd\u5e94&#xff08;\u5982\u9ed8\u8ba4\u6570\u636e&#xff09;\u3002<\/li>\n<li>\u6e05\u6670\u7684\u9519\u8bef\u7801&#xff1a;\u81ea\u5b9a\u4e49\u9519\u8bef\u7801&#xff08;\u5982 10001 \u4ee3\u8868\u53c2\u6570\u9519\u8bef&#xff09;&#xff0c;\u4fbf\u4e8e\u95ee\u9898\u6392\u67e5\u548c\u524d\u7aef\u5904\u7406\u3002<\/li>\n<\/ul>\n<h4>41. \u5982\u4f55\u8bbe\u8ba1\u5206\u5e03\u5f0f\u9501<\/h4>\n<ul>\n<li>\u6838\u5fc3\u8981\u6c42&#xff1a;\u4e92\u65a5\u6027\u3001\u5b89\u5168\u6027&#xff08;\u907f\u514d\u6b7b\u9501&#xff09;\u3001\u53ef\u7528\u6027\u3001\u516c\u5e73\u6027\u3002<\/li>\n<li>\u5b9e\u73b0\u65b9\u6848&#xff1a;\n<ul>\n<li>Redis \u5206\u5e03\u5f0f\u9501&#xff1a;\u4f7f\u7528SET key value NX PX\u547d\u4ee4\u52a0\u9501&#xff0c;Lua \u811a\u672c\u89e3\u9501&#xff0c;\u9700\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u9632\u6b62\u6b7b\u9501&#xff0c;\u96c6\u7fa4\u573a\u666f\u9700\u8003\u8651 RedLock \u7b97\u6cd5\u3002<\/li>\n<li>ZooKeeper \u5206\u5e03\u5f0f\u9501&#xff1a;\u57fa\u4e8e\u4e34\u65f6\u8282\u70b9&#xff0c;\u8282\u70b9\u521b\u5efa\u6210\u529f\u5373\u83b7\u9501&#xff0c;\u4f1a\u8bdd\u8fc7\u671f\u81ea\u52a8\u91ca\u653e&#xff0c;\u5929\u7136\u907f\u514d\u6b7b\u9501&#xff0c;\u6027\u80fd\u7565\u4f4e\u4e8e Redis\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879&#xff1a;\u52a0\u9501\u540e\u9700\u9a8c\u8bc1\u9501\u6301\u6709\u8005\u8eab\u4efd&#xff0c;\u907f\u514d\u8bef\u91ca\u653e&#xff1b;\u957f\u65f6\u95f4\u4efb\u52a1\u9700\u5b9a\u65f6\u7eed\u671f\u9501&#xff08;\u5982 \u201c\u770b\u95e8\u72d7\u201d \u673a\u5236&#xff09;\u3002<\/li>\n<\/ul>\n<h4>42. \u5982\u4f55\u5e94\u5bf9\u5927\u4fc3\u573a\u666f\u4e0b\u7684\u6570\u636e\u5e93\u538b\u529b<\/h4>\n<ul>\n<li>\u4e8b\u524d\u51c6\u5907&#xff1a;\n<ul>\n<li>\u6269\u5bb9\u6570\u636e\u5e93\u5b9e\u4f8b&#xff0c;\u589e\u52a0\u4ece\u5e93\u6570\u91cf\u5206\u62c5\u8bfb\u538b\u529b\u3002<\/li>\n<li>\u9884\u70ed\u7f13\u5b58&#xff0c;\u5c06\u70ed\u70b9\u6570\u636e&#xff08;\u5982\u5546\u54c1\u4fe1\u606f&#xff09;\u63d0\u524d\u52a0\u8f7d\u5230 Redis\u3002<\/li>\n<li>\u5206\u5e93\u5206\u8868\u6269\u5bb9&#xff0c;\u62c6\u5206\u5927\u8868\u964d\u4f4e\u5355\u8868\u538b\u529b\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8b\u4e2d\u4f18\u5316&#xff1a;\n<ul>\n<li>\u8bfb\u5199\u5206\u79bb&#xff0c;\u5f3a\u5236\u70ed\u70b9\u8bfb\u8d70\u7f13\u5b58\u3002<\/li>\n<li>\u9650\u5236\u975e\u6838\u5fc3\u4e1a\u52a1\u8bbf\u95ee&#xff08;\u5982\u5173\u95ed\u8bc4\u8bba\u3001\u63a8\u8350\u7b49\u975e\u4ea4\u6613\u529f\u80fd&#xff09;\u3002<\/li>\n<li>\u4f7f\u7528\u961f\u5217\u5f02\u6b65\u5904\u7406\u975e\u5b9e\u65f6\u64cd\u4f5c&#xff08;\u5982\u8ba2\u5355\u65e5\u5fd7\u3001\u7edf\u8ba1\u6570\u636e&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8b\u540e\u5904\u7406&#xff1a;\n<ul>\n<li>\u76d1\u63a7\u6570\u636e\u5e93\u6162\u67e5\u8be2&#xff0c;\u53ca\u65f6\u4f18\u5316 SQL\u3002<\/li>\n<li>\u590d\u76d8\u6d41\u91cf\u5cf0\u503c&#xff0c;\u8c03\u6574\u6269\u5bb9\u7b56\u7565\u548c\u7f13\u5b58\u65b9\u6848\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>43. \u5982\u4f55\u8bbe\u8ba1\u4e00\u4e2a\u5ef6\u8fdf\u961f\u5217<\/h4>\n<ul>\n<li>\u5e94\u7528\u573a\u666f&#xff1a;\u8ba2\u5355\u8d85\u65f6\u672a\u652f\u4ed8\u81ea\u52a8\u5173\u95ed\u3001\u5b9a\u65f6\u4efb\u52a1&#xff08;\u5982\u5230\u671f\u63d0\u9192&#xff09;\u3002<\/li>\n<li>\u5b9e\u73b0\u65b9\u6848&#xff1a;\n<ul>\n<li>JDK DelayQueue&#xff1a;\u57fa\u4e8e\u5185\u5b58&#xff0c;\u7b80\u5355\u6613\u7528\u4f46\u4e0d\u9002\u5408\u5206\u5e03\u5f0f\u573a\u666f&#xff0c;\u6570\u636e\u6613\u4e22\u5931\u3002<\/li>\n<li>Redis zset&#xff1a;\u5c06\u5ef6\u8fdf\u4efb\u52a1\u4f5c\u4e3a zset \u6210\u5458&#xff0c;score \u4e3a\u8fc7\u671f\u65f6\u95f4\u6233&#xff0c;\u5b9a\u65f6\u626b\u63cf\u5230\u671f\u4efb\u52a1&#xff0c;\u9002\u5408\u4e2d\u5c0f\u89c4\u6a21\u573a\u666f\u3002<\/li>\n<li>\u6d88\u606f\u961f\u5217\u5ef6\u8fdf\u6d88\u606f&#xff1a;\u5982 RocketMQ \u7684\u5ef6\u8fdf\u7ea7\u522b\u3001RabbitMQ 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