{"id":62189,"date":"2024-10-13T16:55:26","date_gmt":"2024-10-13T08:55:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62189\/"},"modified":"2024-10-13T16:55:26","modified_gmt":"2024-10-13T08:55:26","slug":"kafka%e5%88%86%e5%8d%80%e6%95%b8%e6%93%9askew%e5%b0%8e%e8%87%b4watermark%e6%94%be%e8%b3%b4%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62189\/","title":{"rendered":"Kafka\u5206\u5340\u6578\u64daSkew\u5c0e\u81f4Watermark\u653e\u8cf4\u600e\u9ebc\u8fa6\uff1f"},"content":{"rendered":"<h1 id=\"kafka%e5%88%86%e5%8d%80%e6%95%b8%e6%93%9askew%e5%b0%8e%e8%87%b4watermark%e6%94%be%e8%b3%b4%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%9f-tVgeTVmhwh\">Kafka\u5206\u5340\u6578\u64daSkew\u5c0e\u81f4Watermark\u653e\u8cf4\u600e\u9ebc\u8fa6\uff1f<\/h1>\n<p>\u5728\u5927\u6578\u64da\u8655\u7406\u7684\u9818\u57df\u4e2d\uff0cApache 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id=\"watermark%e7%9a%84%e6%a6%82%e5%bf%b5-tVgeTVmhwh\">Watermark\u7684\u6982\u5ff5<\/h2>\n<p>Watermark\u662f\u6d41\u8655\u7406\u7cfb\u7d71\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u6982\u5ff5\uff0c\u7528\u65bc\u6a19\u8a18\u4e8b\u4ef6\u6642\u9593\u7684\u9032\u5ea6\u3002\u5b83\u5e6b\u52a9\u7cfb\u7d71\u78ba\u5b9a\u4f55\u6642\u53ef\u4ee5\u8655\u7406\u67d0\u4e9b\u4e8b\u4ef6\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5ef6\u9072\u6578\u64da\u6642\u3002\u7576Watermark\u653e\u8cf4\u6642\uff0c\u7cfb\u7d71\u53ef\u80fd\u6703\u932f\u904e\u67d0\u4e9b\u4e8b\u4ef6\uff0c\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u8655\u7406\u5ef6\u9072\u3002<\/p>\n<h2 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id=\"4-%e4%bd%bf%e7%94%a8kafka-streams%e7%9a%84%e7%aa%97%e5%8f%a3%e5%8a%9f%e8%83%bd-tVgeTVmhwh\">4. \u4f7f\u7528Kafka Streams\u7684\u7a97\u53e3\u529f\u80fd<\/h3>\n<p>Kafka Streams\u63d0\u4f9b\u4e86\u7a97\u53e3\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u4e00\u5b9a\u6642\u9593\u5167\u805a\u5408\u6578\u64da\uff0c\u9019\u6a23\u5373\u4f7f\u67d0\u4e9b\u5206\u5340\u7684\u6578\u64da\u91cf\u8f03\u5927\uff0c\u4e5f\u80fd\u5920\u901a\u904e\u7a97\u53e3\u4f86\u5e73\u8861\u8655\u7406\u8ca0\u64d4\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-tVgeTVmhwh\">\u7d50\u8ad6<\/h2>\n<p>Kafka\u5206\u5340\u6578\u64daSkew\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u5c0dWatermark\u7684\u653e\u8cf4\u6709\u8457\u76f4\u63a5\u7684\u5f71\u97ff\u3002\u901a\u904e\u8abf\u6574\u5206\u5340\u6578\u91cf\u3001\u4f7f\u7528\u81ea\u5b9a\u7fa9\u7684\u5206\u5340\u5668\u3001\u5b9a\u671f\u76e3\u63a7\u548c\u5229\u7528Kafka 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