{"id":60561,"date":"2026-01-15T21:41:24","date_gmt":"2026-01-15T13:41:24","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/60561.html"},"modified":"2026-01-15T21:41:24","modified_gmt":"2026-01-15T13:41:24","slug":"%e6%8f%ad%e7%a7%98-flink-%e4%b8%8e%e5%a4%96%e9%83%a8%e7%b3%bb%e7%bb%9f%e4%ba%a4%e4%ba%92%e7%9a%84%e4%b8%89%e5%a4%a7%e6%ad%bb%e5%b1%80%e4%b8%8e%e7%a0%b4%e8%a7%a3%e4%b9%8b%e9%81%93","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/60561.html","title":{"rendered":"\u63ed\u79d8 Flink \u4e0e\u5916\u90e8\u7cfb\u7edf\u4ea4\u4e92\u7684\u201c\u4e09\u5927\u6b7b\u5c40\u201d\u4e0e\u7834\u89e3\u4e4b\u9053"},"content":{"rendered":"<p id=\"main-toc\">\u76ee\u5f55<\/p>\n<p id=\"-toc\" style=\"margin-left:0px\">\n<p id=\"%E7%AC%AC%E4%B8%80%E7%AB%A0%EF%BC%9A%E9%82%A3%E4%B8%AA%E5%9C%A8%E5%87%8C%E6%99%A8%203%20%E7%82%B9%E7%82%B8%E6%8E%89%E7%9A%84%20JDBC%20%E8%BF%9E%E6%8E%A5%E6%B1%A0%E2%80%94%E2%80%94%E5%90%8C%E6%AD%A5%E4%BA%A4%E4%BA%92%E7%9A%84%E6%AD%BB%E5%B1%80-toc\" style=\"margin-left:0px\">\u7b2c\u4e00\u7ae0\uff1a\u90a3\u4e2a\u5728\u51cc\u6668 3 \u70b9\u70b8\u6389\u7684 JDBC \u8fde\u63a5\u6c60\u2014\u2014\u540c\u6b65\u4ea4\u4e92\u7684\u6b7b\u5c40<\/p>\n<p id=\"1.1%20%E5%90%8C%E6%AD%A5%20Sink%EF%BC%9A%E5%90%9E%E5%90%90%E9%87%8F%E7%9A%84%E9%9A%90%E5%BD%A2%E6%9D%80%E6%89%8B-toc\" style=\"margin-left:80px\">1.1 \u540c\u6b65 Sink\uff1a\u541e\u5410\u91cf\u7684\u9690\u5f62\u6740\u624b<\/p>\n<p id=\"1.2%20%E8%BF%9E%E6%8E%A5%E6%B1%A0%E6%9E%AF%E7%AB%AD%E4%B8%8E%E2%80%9C%E9%87%8D%E8%AF%95%E9%A3%8E%E6%9A%B4%E2%80%9D-toc\" style=\"margin-left:80px\">1.2 \u8fde\u63a5\u6c60\u67af\u7aed\u4e0e\u201c\u91cd\u8bd5\u98ce\u66b4\u201d<\/p>\n<p id=\"1.3%20%E4%B8%BA%E4%BB%80%E4%B9%88%E5%8F%AA%E5%81%9A%E9%99%90%E6%B5%81%E4%B8%8D%E7%AE%A1%E7%94%A8%EF%BC%9F-toc\" style=\"margin-left:80px\">1.3 \u4e3a\u4ec0\u4e48\u53ea\u505a\u9650\u6d41\u4e0d\u7ba1\u7528\uff1f<\/p>\n<p id=\"%E7%AC%AC%E4%BA%8C%E7%AB%A0%EF%BC%9A%E5%88%AB%E5%82%BB%E5%82%BB%E5%9C%B0%E5%90%8C%E6%AD%A5%E7%AD%89%E5%BE%85%E2%80%94%E2%80%94%E5%BC%82%E6%AD%A5%20I%2FO%20%E7%9A%84%E5%AE%9E%E6%88%98%E7%BB%86%E8%8A%82-toc\" style=\"margin-left:0px\">\u7b2c\u4e8c\u7ae0\uff1a\u522b\u50bb\u50bb\u5730\u540c\u6b65\u7b49\u5f85\u2014\u2014\u5f02\u6b65 I\/O \u7684\u5b9e\u6218\u7ec6\u8282<\/p>\n<p id=\"2.1%20%E7%9C%9F%E6%AD%A3%E7%9A%84%E5%BC%82%E6%AD%A5%E4%B8%8D%E4%BB%85%E4%BB%85%E6%98%AF%E5%8A%A0%E4%B8%AA%E5%9B%9E%E8%B0%83-toc\" style=\"margin-left:80px\">2.1 \u771f\u6b63\u7684\u5f02\u6b65\u4e0d\u4ec5\u4ec5\u662f\u52a0\u4e2a\u56de\u8c03<\/p>\n<p id=\"2.2%20UnorderedWait%20vs%20OrderedWait%EF%BC%9A%E6%80%A7%E8%83%BD%E7%9A%84%E5%B2%94%E8%B7%AF%E5%8F%A3-toc\" style=\"margin-left:80px\">2.2 UnorderedWait vs OrderedWait\uff1a\u6027\u80fd\u7684\u5c94\u8def\u53e3<\/p>\n<p id=\"2.3%20%E8%87%B4%E5%91%BD%E7%9A%84%E8%B6%85%E6%97%B6%E5%A4%84%E7%90%86-toc\" style=\"margin-left:80px\">2.3 \u81f4\u547d\u7684\u8d85\u65f6\u5904\u7406<\/p>\n<p id=\"%E7%AC%AC%E4%B8%89%E7%AB%A0%EF%BC%9A%E4%B8%8D%E4%BB%85%E8%A6%81%E9%87%8D%E8%AF%95%EF%BC%8C%E8%BF%98%E8%A6%81%E4%BC%98%E9%9B%85%E5%9C%B0%E9%87%8D%E8%AF%95%E2%80%94%E2%80%94%E6%89%8B%E6%92%B8%20AsyncRetryStrategy-toc\" style=\"margin-left:0px\">\u7b2c\u4e09\u7ae0\uff1a\u4e0d\u4ec5\u8981\u91cd\u8bd5\uff0c\u8fd8\u8981\u4f18\u96c5\u5730\u91cd\u8bd5\u2014\u2014\u624b\u64b8 AsyncRetryStrategy<\/p>\n<p id=\"3.1%20%E5%BC%95%E5%85%A5%20Guava%20Retrying%EF%BC%9F%E5%A4%AA%E9%87%8D%E4%BA%86-toc\" style=\"margin-left:80px\">3.1 \u5f15\u5165 Guava Retrying\uff1f\u592a\u91cd\u4e86<\/p>\n<p id=\"3.2%20%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%80%E5%AE%9A%E8%A6%81%E7%94%A8%E6%8C%87%E6%95%B0%E9%80%80%E9%81%BF%EF%BC%88Exponential%20Backoff%EF%BC%89%EF%BC%9F-toc\" style=\"margin-left:80px\">3.2 \u4e3a\u4ec0\u4e48\u4e00\u5b9a\u8981\u7528\u6307\u6570\u9000\u907f\uff08Exponential Backoff\uff09\uff1f<\/p>\n<p id=\"%E7%AC%AC%E5%9B%9B%E7%AB%A0%EF%BC%9A%E7%86%94%E6%96%AD%E5%99%A8%E2%80%94%E2%80%94%E5%AD%A6%E4%BC%9A%E8%AF%B4%E2%80%9C%E4%B8%8D%E2%80%9D%E7%9A%84%E8%89%BA%E6%9C%AF-toc\" style=\"margin-left:0px\">\u7b2c\u56db\u7ae0\uff1a\u7194\u65ad\u5668\u2014\u2014\u5b66\u4f1a\u8bf4\u201c\u4e0d\u201d\u7684\u827a\u672f<\/p>\n<p id=\"4.1%20%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A6%81%E7%86%94%E6%96%AD%EF%BC%9F-toc\" style=\"margin-left:80px\">4.1 \u4e3a\u4ec0\u4e48\u8981\u7194\u65ad\uff1f<\/p>\n<p id=\"4.2%20%E6%89%8B%E6%92%B8%E4%B8%80%E4%B8%AA%E5%9F%BA%E4%BA%8E%E6%BB%91%E5%8A%A8%E7%AA%97%E5%8F%A3%E7%9A%84%E8%BD%BB%E9%87%8F%E7%BA%A7%E7%86%94%E6%96%AD%E5%99%A8-toc\" style=\"margin-left:80px\">4.2 \u624b\u64b8\u4e00\u4e2a\u57fa\u4e8e\u6ed1\u52a8\u7a97\u53e3\u7684\u8f7b\u91cf\u7ea7\u7194\u65ad\u5668<\/p>\n<p id=\"4.3%20%E5%B0%86%E7%86%94%E6%96%AD%E5%99%A8%E9%9B%86%E6%88%90%E8%BF%9B%20AsyncFunction-toc\" style=\"margin-left:80px\">4.3 \u5c06\u7194\u65ad\u5668\u96c6\u6210\u8fdb AsyncFunction<\/p>\n<p id=\"%E7%AC%AC%E4%BA%94%E7%AB%A0%EF%BC%9A%E5%8D%B3%E4%BD%BF%E5%A4%B1%E8%B4%A5%EF%BC%8C%E4%B9%9F%E8%A6%81%E4%BD%93%E9%9D%A2%E2%80%94%E2%80%94%E9%99%8D%E7%BA%A7%E4%B8%8E%E6%97%81%E8%B7%AF%E7%BC%93%E5%AD%98-toc\" style=\"margin-left:0px\">\u7b2c\u4e94\u7ae0\uff1a\u5373\u4f7f\u5931\u8d25\uff0c\u4e5f\u8981\u4f53\u9762\u2014\u2014\u964d\u7ea7\u4e0e\u65c1\u8def\u7f13\u5b58<\/p>\n<p id=\"5.1%20%E7%AD%96%E7%95%A5%E4%B8%80%EF%BC%9A%E6%9C%AC%E5%9C%B0%E7%BC%93%E5%AD%98%EF%BC%88Local%20Cache%EF%BC%89%E5%85%9C%E5%BA%95-toc\" style=\"margin-left:80px\">5.1 \u7b56\u7565\u4e00\uff1a\u672c\u5730\u7f13\u5b58\uff08Local Cache\uff09\u515c\u5e95<\/p>\n<p id=\"5.2%20%E7%AD%96%E7%95%A5%E4%BA%8C%EF%BC%9A%E9%BB%98%E8%AE%A4%E5%80%BC%E5%A1%AB%E5%85%85-toc\" style=\"margin-left:80px\">5.2 \u7b56\u7565\u4e8c\uff1a\u9ed8\u8ba4\u503c\u586b\u5145<\/p>\n<p id=\"5.3%20%E7%AD%96%E7%95%A5%E4%B8%89%EF%BC%9A%E6%97%81%E8%B7%AF%E8%BE%93%E5%87%BA%EF%BC%88Side%20Output%EF%BC%89%E2%80%94%E2%80%94%20%E6%9C%80%E7%BB%88%E7%9A%84%E6%95%91%E7%94%9F%E8%89%87-toc\" style=\"margin-left:80px\">5.3 \u7b56\u7565\u4e09\uff1a\u65c1\u8def\u8f93\u51fa\uff08Side Output\uff09\u2014\u2014 \u6700\u7ec8\u7684\u6551\u751f\u8247<\/p>\n<p id=\"%E7%AC%AC%E5%85%AD%E7%AB%A0%EF%BC%9A%E5%8F%8D%E5%8E%8B%E7%9A%84%E5%93%B2%E5%AD%A6%E2%80%94%E2%80%94%E5%BD%93%20DB%20%E7%9C%9F%E7%9A%84%E5%A4%AA%E6%85%A2%E6%97%B6%EF%BC%8CFlink%20%E5%BA%94%E8%AF%A5%E5%87%8F%E9%80%9F%E5%90%97%EF%BC%9F-toc\" style=\"margin-left:0px\">\u7b2c\u516d\u7ae0\uff1a\u53cd\u538b\u7684\u54f2\u5b66\u2014\u2014\u5f53 DB \u771f\u7684\u592a\u6162\u65f6\uff0cFlink \u5e94\u8be5\u51cf\u901f\u5417\uff1f<\/p>\n<p id=\"6.1%20%E4%B8%BB%E5%8A%A8%E9%99%90%E6%B5%81%EF%BC%88Rate%20Limiting%EF%BC%89-toc\" style=\"margin-left:80px\">6.1 \u4e3b\u52a8\u9650\u6d41\uff08Rate Limiting\uff09<\/p>\n<p id=\"%E7%AC%AC%E4%B8%83%E7%AB%A0%EF%BC%9A%E5%AE%9E%E6%88%98%E5%A4%A7%E7%BB%93%E5%B1%80%E2%80%94%E2%80%94%E4%B8%80%E4%B8%AA%E5%B7%A5%E4%B8%9A%E7%BA%A7%E7%9A%84%20Sink%20%E6%9E%B6%E6%9E%84%E5%9B%BE-toc\" style=\"margin-left:0px\">\u7b2c\u4e03\u7ae0\uff1a\u5b9e\u6218\u5927\u7ed3\u5c40\u2014\u2014\u4e00\u4e2a\u5de5\u4e1a\u7ea7\u7684 Sink \u67b6\u6784\u56fe<\/p>\n<p id=\"7.1%20%E7%BB%99%E8%80%81%E6%9D%BF%E7%9A%84%E4%B8%80%E5%8F%A5%E8%AF%9D%E6%80%BB%E7%BB%93-toc\" style=\"margin-left:80px\">7.1 \u7ed9\u8001\u677f\u7684\u4e00\u53e5\u8bdd\u603b\u7ed3<\/p>\n<p id=\"%E7%AC%AC%E5%85%AB%E7%AB%A0%EF%BC%9A%E6%8B%92%E7%BB%9D%E5%8D%95%E5%85%B5%E4%BD%9C%E6%88%98%E2%80%94%E2%80%94%E9%AB%98%E5%B9%B6%E5%8F%91%E4%B8%8B%E7%9A%84%E2%80%9C%E6%94%92%E6%89%B9%E2%80%9D%E8%89%BA%E6%9C%AF-toc\" style=\"margin-left:0px\">\u7b2c\u516b\u7ae0\uff1a\u62d2\u7edd\u5355\u5175\u4f5c\u6218\u2014\u2014\u9ad8\u5e76\u53d1\u4e0b\u7684\u201c\u6512\u6279\u201d\u827a\u672f<\/p>\n<p id=\"8.1%20%E5%88%AB%E5%9C%A8%E5%86%85%E5%AD%98%E9%87%8C%E8%A3%B8%E5%A5%94%E2%80%94%E2%80%94ListState%20%E7%9A%84%E9%87%8D%E8%A6%81%E6%80%A7-toc\" style=\"margin-left:80px\">8.1 \u522b\u5728\u5185\u5b58\u91cc\u88f8\u5954\u2014\u2014ListState \u7684\u91cd\u8981\u6027<\/p>\n<p id=\"8.2%20%E6%89%8B%E5%86%99%E4%B8%80%E4%B8%AA%E7%94%9F%E4%BA%A7%E7%BA%A7%E7%9A%84%20BatchSink-toc\" style=\"margin-left:80px\">8.2 \u624b\u5199\u4e00\u4e2a\u751f\u4ea7\u7ea7\u7684 BatchSink<\/p>\n<p id=\"8.3%20Checkpoint%20%E6%97%B6%E7%9A%84%E2%80%9C%E5%BC%BA%E5%88%B6%E5%88%B7%E7%9B%98%E2%80%9D-toc\" style=\"margin-left:80px\">8.3 Checkpoint \u65f6\u7684\u201c\u5f3a\u5236\u5237\u76d8\u201d<\/p>\n<p id=\"%E7%AC%AC%E4%B9%9D%E7%AB%A0%EF%BC%9A%E6%89%80%E8%B0%93%E7%9A%84%E2%80%9C%E7%B2%BE%E5%87%86%E4%B8%80%E6%AC%A1%E2%80%9D%20(Exactly-Once)%EF%BC%8C%E5%8F%AF%E8%83%BD%E6%98%AF%E6%8B%96%E5%9E%AE%E7%B3%BB%E7%BB%9F%E7%9A%84%E6%9C%80%E5%90%8E%E4%B8%80%E6%A0%B9%E7%A8%BB%E8%8D%89-toc\" style=\"margin-left:0px\">\u7b2c\u4e5d\u7ae0\uff1a\u6240\u8c13\u7684\u201c\u7cbe\u51c6\u4e00\u6b21\u201d (Exactly-Once)\uff0c\u53ef\u80fd\u662f\u62d6\u57ae\u7cfb\u7edf\u7684\u6700\u540e\u4e00\u6839\u7a3b\u8349<\/p>\n<p id=\"9.1%20Flink%20%E7%9A%84%202PC%20%E6%9C%BA%E5%88%B6%E6%98%AF%E5%A6%82%E4%BD%95%E5%B7%A5%E4%BD%9C%E7%9A%84%EF%BC%9F-toc\" style=\"margin-left:80px\">9.1 Flink \u7684 2PC \u673a\u5236\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/p>\n<p id=\"9.2%20%E4%B8%BA%E4%BB%80%E4%B9%88%202PC%20%E4%BC%9A%E5%AF%BC%E8%87%B4%E8%BF%9E%E6%8E%A5%E6%B1%A0%E9%9B%AA%E5%B4%A9%EF%BC%9F-toc\" style=\"margin-left:80px\">9.2 \u4e3a\u4ec0\u4e48 2PC \u4f1a\u5bfc\u81f4\u8fde\u63a5\u6c60\u96ea\u5d29\uff1f<\/p>\n<p id=\"9.3%20%E6%8B%A5%E6%8A%B1%E5%B9%82%E7%AD%89%E6%80%A7%EF%BC%88Idempotency%EF%BC%89%EF%BC%8C%E6%8A%9B%E5%BC%83%202PC-toc\" style=\"margin-left:80px\">9.3 \u62e5\u62b1\u5e42\u7b49\u6027\uff08Idempotency\uff09\uff0c\u629b\u5f03 2PC<\/p>\n<p 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