{"id":2922,"date":"2023-07-14T14:48:16","date_gmt":"2023-07-14T06:48:16","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=2922"},"modified":"2023-07-14T14:48:16","modified_gmt":"2023-07-14T06:48:16","slug":"2023%e5%b9%b4%e6%9c%80%e6%96%b0kafka%e5%b8%b8%e8%a7%81%e9%9d%a2%e8%af%95%e9%a2%98","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/jvm\/2023%e5%b9%b4%e6%9c%80%e6%96%b0kafka%e5%b8%b8%e8%a7%81%e9%9d%a2%e8%af%95%e9%a2%98\/","title":{"rendered":"2023\u5e74\u6700\u65b0kafka\u5e38\u89c1\u9762\u8bd5\u9898"},"content":{"rendered":"<link rel=\"stylesheet\" href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/editerView\/kdoc_html_views-1a98987dfd.css\">\n \t<link rel=\"stylesheet\" href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/editerView\/ck_htmledit_views-25cebea3f9.css\">\n<div id=\"content_views\" class=\"htmledit_views\">\n<h1>2023\u5e74\u6700\u65b0kafka\u5e38\u89c1\u9762\u8bd5\u9898<\/h1>\n<h2>Kafka\u7684\u8bbe\u8ba1\u65f6\u4ec0\u4e48\u6837\u7684\u5462\uff1f<\/h2>\n<ul>\n<li>Kafka\u5c06\u6d88\u606f\u4ee5topic\u4e3a\u5355\u4f4d\u8fdb\u884c\u5f52\u7eb3<\/li>\n<li>\u5c06\u5411Kafka topic\u53d1\u5e03\u6d88\u606f\u7684\u7a0b\u5e8f\u6210\u4e3aproducers.<\/li>\n<li>\u5c06\u9884\u8ba2topics\u5e76\u6d88\u8d39\u6d88\u606f\u7684\u7a0b\u5e8f\u6210\u4e3aconsumer.<\/li>\n<li>Kafka\u4ee5\u96c6\u7fa4\u7684\u65b9\u5f0f\u8fd0\u884c\uff0c\u53ef\u4ee5\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u670d\u52a1\u7ec4\u6210\uff0c\u6bcf\u4e2a\u670d\u52a1\u53eb\u505a\u4e00\u4e2abroker.<\/li>\n<li>producers\u901a\u8fc7\u7f51\u7edc\u5c06\u6d88\u606f\u53d1\u9001\u5230Kafka\u96c6\u7fa4\uff0c\u96c6\u7fa4\u5411\u6d88\u8d39\u8005\u63d0\u4f9b\u6d88\u606f<\/li>\n<\/ul>\n<h2>\u6570\u636e\u4f20\u8f93\u7684\u4e8b\u7269\u5b9a\u4e49\u6709\u54ea\u4e09\u79cd\uff1f<\/h2>\n<ul>\n<li>\u6570\u636e\u4f20\u8f93\u7684\u4e8b\u52a1\u5b9a\u4e49\u901a\u5e38\u6709\u4ee5\u4e0b\u4e09\u79cd\u7ea7\u522b\uff1a\n<ul>\n<li>\u6700\u591a\u4e00\u6b21: \u6d88\u606f\u4e0d\u4f1a\u88ab\u91cd\u590d\u53d1\u9001\uff0c\u6700\u591a\u88ab\u4f20\u8f93\u4e00\u6b21\uff0c\u4f46\u4e5f\u6709\u53ef\u80fd\u4e00\u6b21\u4e0d\u4f20\u8f93<\/li>\n<li>\u6700\u5c11\u4e00\u6b21: \u6d88\u606f\u4e0d\u4f1a\u88ab\u6f0f\u53d1\u9001\uff0c\u6700\u5c11\u88ab\u4f20\u8f93\u4e00\u6b21\uff0c\u4f46\u4e5f\u6709\u53ef\u80fd\u88ab\u91cd\u590d\u4f20\u8f93.<\/li>\n<li>\u7cbe\u786e\u7684\u4e00\u6b21\uff08Exactly once\uff09: \u4e0d\u4f1a\u6f0f\u4f20\u8f93\u4e5f\u4e0d\u4f1a\u91cd\u590d\u4f20\u8f93,\u6bcf\u4e2a\u6d88\u606f\u90fd\u4f20\u8f93\u88ab\u4e00\u6b21\u800c\u4e14\u4ec5\u4ec5\u88ab\u4f20\u8f93\u4e00\u6b21\uff0c\u8fd9\u662f\u5927\u5bb6\u6240\u671f\u671b\u7684<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Kafka\u5224\u65ad\u4e00\u4e2a\u8282\u70b9\u662f\u5426\u8fd8\u6d3b\u7740\u6709\u90a3\u4e24\u4e2a\u6761\u4ef6\uff1f<\/h2>\n<ul>\n<li>\u8282\u70b9\u5fc5\u987b\u53ef\u4ee5\u7ef4\u62a4\u548cZooKeeper\u7684\u8fde\u63a5\uff0cZookeeper\u901a\u8fc7\u5fc3\u8df3\u673a\u5236\u68c0\u67e5\u6bcf\u4e2a\u8282\u70b9\u7684\u8fde\u63a5<\/li>\n<li>\u5982\u679c\u8282\u70b9\u662f\u4e2afollower,\u4ed6\u5fc5\u987b\u80fd\u53ca\u65f6\u7684\u540c\u6b65leader\u7684\u5199\u64cd\u4f5c\uff0c\u5ef6\u65f6\u4e0d\u80fd\u592a\u4e45<\/li>\n<\/ul>\n<h2>producer\u662f\u5426\u76f4\u63a5\u5c06\u6570\u636e\u53d1\u9001\u5230broker\u7684leader(\u4e3b\u8282\u70b9)\uff1f<\/h2>\n<ul>\n<li>producer\u76f4\u63a5\u5c06\u6570\u636e\u53d1\u9001\u5230broker\u7684leader(\u4e3b\u8282\u70b9)\uff0c\u4e0d\u9700\u8981\u5728\u591a\u4e2a\u8282\u70b9\u8fdb\u884c\u5206\u53d1\uff0c\u4e3a\u4e86\u5e2e\u52a9producer\u505a\u5230\u8fd9\u70b9\uff0c\u6240\u6709\u7684Kafka\u8282\u70b9\u90fd\u53ef\u4ee5\u53ca\u65f6\u7684\u544a\u77e5:\u54ea\u4e9b\u8282\u70b9\u662f\u6d3b\u52a8\u7684\uff0c\u76ee\u6807topic\u76ee\u6807\u5206\u533a\u7684leader\u5728\u54ea\u3002\u8fd9\u6837producer\u5c31\u53ef\u4ee5\u76f4\u63a5\u5c06\u6d88\u606f\u53d1\u9001\u5230\u76ee\u7684\u5730\u4e86<\/li>\n<\/ul>\n<h2>Kafa consumer\u662f\u5426\u53ef\u4ee5\u6d88\u8d39\u6307\u5b9a\u5206\u533a\u6d88\u606f\uff1f<\/h2>\n<ul>\n<li>Kafa consumer\u6d88\u8d39\u6d88\u606f\u65f6\uff0c\u5411broker\u53d1\u51fa\"fetch\"\u8bf7\u6c42\u53bb\u6d88\u8d39\u7279\u5b9a\u5206\u533a\u7684\u6d88\u606f\uff0cconsumer\u6307\u5b9a\u6d88\u606f\u5728\u65e5\u5fd7\u4e2d\u7684\u504f\u79fb\u91cf\uff08offset\uff09\uff0c\u5c31\u53ef\u4ee5\u6d88\u8d39\u4ece\u8fd9\u4e2a\u4f4d\u7f6e\u5f00\u59cb\u7684\u6d88\u606f\uff0ccustomer\u62e5\u6709\u4e86offset\u7684\u63a7\u5236\u6743\uff0c\u53ef\u4ee5\u5411\u540e\u56de\u6eda\u53bb\u91cd\u65b0\u6d88\u8d39\u4e4b\u524d\u7684\u6d88\u606f\uff0c\u8fd9\u662f\u5f88\u6709\u610f\u4e49\u7684<\/li>\n<\/ul>\n<h2>Kafka\u6d88\u606f\u662f\u91c7\u7528Pull\u6a21\u5f0f\uff0c\u8fd8\u662fPush\u6a21\u5f0f\uff1f<\/h2>\n<ul>\n<li>Kafka\u6700\u521d\u8003\u8651\u7684\u95ee\u9898\u662f\uff0ccustomer\u5e94\u8be5\u4ecebrokes\u62c9\u53d6\u6d88\u606f\u8fd8\u662fbrokers\u5c06\u6d88\u606f\u63a8\u9001\u5230consumer\uff0c\u4e5f\u5c31\u662fpull\u8fd8push\u3002\u5728\u8fd9\u65b9\u9762\uff0cKafka\u9075\u5faa\u4e86\u4e00\u79cd\u5927\u90e8\u5206\u6d88\u606f\u7cfb\u7edf\u5171\u540c\u7684\u4f20\u7edf\u7684\u8bbe\u8ba1\uff1aproducer\u5c06\u6d88\u606f\u63a8\u9001\u5230broker\uff0cconsumer\u4ecebroker\u62c9\u53d6\u6d88\u606f<\/li>\n<li>\u4e00\u4e9b\u6d88\u606f\u7cfb\u7edf\u6bd4\u5982Scribe\u548cApache Flume\u91c7\u7528\u4e86push\u6a21\u5f0f\uff0c\u5c06\u6d88\u606f\u63a8\u9001\u5230\u4e0b\u6e38\u7684consumer\u3002\u8fd9\u6837\u505a\u6709\u597d\u5904\u4e5f\u6709\u574f\u5904\uff1a\u7531broker\u51b3\u5b9a\u6d88\u606f\u63a8\u9001\u7684\u901f\u7387\uff0c\u5bf9\u4e8e\u4e0d\u540c\u6d88\u8d39\u901f\u7387\u7684consumer\u5c31\u4e0d\u592a\u597d\u5904\u7406\u4e86\u3002\u6d88\u606f\u7cfb\u7edf\u90fd\u81f4\u529b\u4e8e\u8ba9consumer\u4ee5\u6700\u5927\u7684\u901f\u7387\u6700\u5feb\u901f\u7684\u6d88\u8d39\u6d88\u606f\uff0c\u4f46\u4e0d\u5e78\u7684\u662f\uff0cpush\u6a21\u5f0f\u4e0b\uff0c\u5f53broker\u63a8\u9001\u7684\u901f\u7387\u8fdc\u5927\u4e8econsumer\u6d88\u8d39\u7684\u901f\u7387\u65f6\uff0cconsumer\u6050\u6015\u5c31\u8981\u5d29\u6e83\u4e86\u3002\u6700\u7ec8Kafka\u8fd8\u662f\u9009\u53d6\u4e86\u4f20\u7edf\u7684pull\u6a21\u5f0f<\/li>\n<li>Pull\u6a21\u5f0f\u7684\u53e6\u5916\u4e00\u4e2a\u597d\u5904\u662fconsumer\u53ef\u4ee5\u81ea\u4e3b\u51b3\u5b9a\u662f\u5426\u6279\u91cf\u7684\u4ecebroker\u62c9\u53d6\u6570\u636e\u3002Push\u6a21\u5f0f\u5fc5\u987b\u5728\u4e0d\u77e5\u9053\u4e0b\u6e38consumer\u6d88\u8d39\u80fd\u529b\u548c\u6d88\u8d39\u7b56\u7565\u7684\u60c5\u51b5\u4e0b\u51b3\u5b9a\u662f\u7acb\u5373\u63a8\u9001\u6bcf\u6761\u6d88\u606f\u8fd8\u662f\u7f13\u5b58\u4e4b\u540e\u6279\u91cf\u63a8\u9001\u3002\u5982\u679c\u4e3a\u4e86\u907f\u514dconsumer\u5d29\u6e83\u800c\u91c7\u7528\u8f83\u4f4e\u7684\u63a8\u9001\u901f\u7387\uff0c\u5c06\u53ef\u80fd\u5bfc\u81f4\u4e00\u6b21\u53ea\u63a8\u9001\u8f83\u5c11\u7684\u6d88\u606f\u800c\u9020\u6210\u6d6a\u8d39\u3002Pull\u6a21\u5f0f\u4e0b\uff0cconsumer\u5c31\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u6d88\u8d39\u80fd\u529b\u53bb\u51b3\u5b9a\u8fd9\u4e9b\u7b56\u7565<\/li>\n<li>Pull\u6709\u4e2a\u7f3a\u70b9\u662f\uff0c\u5982\u679cbroker\u6ca1\u6709\u53ef\u4f9b\u6d88\u8d39\u7684\u6d88\u606f\uff0c\u5c06\u5bfc\u81f4consumer\u4e0d\u65ad\u5728\u5faa\u73af\u4e2d\u8f6e\u8be2\uff0c\u76f4\u5230\u65b0\u6d88\u606f\u5230t\u8fbe\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u70b9\uff0cKafka\u6709\u4e2a\u53c2\u6570\u53ef\u4ee5\u8ba9consumer\u963b\u585e\u77e5\u9053\u65b0\u6d88\u606f\u5230\u8fbe(\u5f53\u7136\u4e5f\u53ef\u4ee5\u963b\u585e\u77e5\u9053\u6d88\u606f\u7684\u6570\u91cf\u8fbe\u5230\u67d0\u4e2a\u7279\u5b9a\u7684\u91cf\u8fd9\u6837\u5c31\u53ef\u4ee5\u6279\u91cf\u53d1<\/li>\n<\/ul>\n<h2>Kafka\u5b58\u50a8\u5728\u786c\u76d8\u4e0a\u7684\u6d88\u606f\u683c\u5f0f\u662f\u4ec0\u4e48\uff1f<\/h2>\n<ul>\n<li>\u6d88\u606f\u7531\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u5934\u90e8\u548c\u53ef\u53d8\u957f\u5ea6\u7684\u5b57\u8282\u6570\u7ec4\u7ec4\u6210\u3002\u5934\u90e8\u5305\u542b\u4e86\u4e00\u4e2a\u7248\u672c\u53f7\u548cCRC32\u6821\u9a8c\u7801\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u6d88\u606f\u957f\u5ea6: 4 bytes (value: 1+4+n)<\/li>\n<li>\u7248\u672c\u53f7: 1 byte<\/li>\n<li>CRC\u6821\u9a8c\u7801: 4 bytes<\/li>\n<li>\u5177\u4f53\u7684\u6d88\u606f: n bytes<\/li>\n<\/ul>\n<h2>Kafka\u9ad8\u6548\u6587\u4ef6\u5b58\u50a8\u8bbe\u8ba1\u7279\u70b9\uff1a<\/h2>\n<ul>\n<li>Kafka\u628atopic\u4e2d\u4e00\u4e2aparition\u5927\u6587\u4ef6\u5206\u6210\u591a\u4e2a\u5c0f\u6587\u4ef6\u6bb5\uff0c\u901a\u8fc7\u591a\u4e2a\u5c0f\u6587\u4ef6\u6bb5\uff0c\u5c31\u5bb9\u6613\u5b9a\u671f\u6e05\u9664\u6216\u5220\u9664\u5df2\u7ecf\u6d88\u8d39\u5b8c\u6587\u4ef6\uff0c\u51cf\u5c11\u78c1\u76d8\u5360\u7528\u3002<\/li>\n<li>\u901a\u8fc7\u7d22\u5f15\u4fe1\u606f\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4dmessage\u548c\u786e\u5b9aresponse\u7684\u6700\u5927\u5927\u5c0f\u3002<\/li>\n<li>\u901a\u8fc7index\u5143\u6570\u636e\u5168\u90e8\u6620\u5c04\u5230memory\uff0c\u53ef\u4ee5\u907f\u514dsegment file\u7684IO\u78c1\u76d8\u64cd\u4f5c\u3002<\/li>\n<li>\u901a\u8fc7\u7d22\u5f15\u6587\u4ef6\u7a00\u758f\u5b58\u50a8\uff0c\u53ef\u4ee5\u5927\u5e45\u964d\u4f4eindex\u6587\u4ef6\u5143\u6570\u636e\u5360\u7528\u7a7a\u95f4\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<h2>Kafka \u4e0e\u4f20\u7edf\u6d88\u606f\u7cfb\u7edf\u4e4b\u95f4\u6709\u4e09\u4e2a\u5173\u952e\u533a\u522b<\/h2>\n<ul>\n<li>Kafka \u6301\u4e45\u5316\u65e5\u5fd7\uff0c\u8fd9\u4e9b\u65e5\u5fd7\u53ef\u4ee5\u88ab\u91cd\u590d\u8bfb\u53d6\u548c\u65e0\u9650\u671f\u4fdd\u7559<\/li>\n<li>Kafka \u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u7cfb\u7edf\uff1a\u5b83\u4ee5\u96c6\u7fa4\u7684\u65b9\u5f0f\u8fd0\u884c\uff0c\u53ef\u4ee5\u7075\u6d3b\u4f38\u7f29\uff0c\u5728\u5185\u90e8\u901a\u8fc7\u590d\u5236\u6570\u636e\u63d0\u5347\u5bb9\u9519\u80fd\u529b\u548c\u9ad8\u53ef\u7528\u6027<\/li>\n<li>Kafka \u652f\u6301\u5b9e\u65f6\u7684\u6d41\u5f0f\u5904\u7406<\/li>\n<\/ul>\n<h2>Kafka\u521b\u5efaTopic\u65f6\u5982\u4f55\u5c06\u5206\u533a\u653e\u7f6e\u5230\u4e0d\u540c\u7684Broker\u4e2d<\/h2>\n<ul>\n<li>\u526f\u672c\u56e0\u5b50\u4e0d\u80fd\u5927\u4e8e Broker \u7684\u4e2a\u6570\uff1b<\/li>\n<li>\u7b2c\u4e00\u4e2a\u5206\u533a\uff08\u7f16\u53f7\u4e3a0\uff09\u7684\u7b2c\u4e00\u4e2a\u526f\u672c\u653e\u7f6e\u4f4d\u7f6e\u662f\u968f\u673a\u4ece brokerList \u9009\u62e9\u7684\uff1b<\/li>\n<li>\u5176\u4ed6\u5206\u533a\u7684\u7b2c\u4e00\u4e2a\u526f\u672c\u653e\u7f6e\u4f4d\u7f6e\u76f8\u5bf9\u4e8e\u7b2c0\u4e2a\u5206\u533a\u4f9d\u6b21\u5f80\u540e\u79fb\u3002\u4e5f\u5c31\u662f\u5982\u679c\u6211\u4eec\u67095\u4e2a Broker\uff0c5\u4e2a\u5206\u533a\uff0c\u5047\u8bbe\u7b2c\u4e00\u4e2a\u5206\u533a\u653e\u5728\u7b2c\u56db\u4e2a Broker \u4e0a\uff0c\u90a3\u4e48\u7b2c\u4e8c\u4e2a\u5206\u533a\u5c06\u4f1a\u653e\u5728\u7b2c\u4e94\u4e2a Broker \u4e0a\uff1b\u7b2c\u4e09\u4e2a\u5206\u533a\u5c06\u4f1a\u653e\u5728\u7b2c\u4e00\u4e2a Broker \u4e0a\uff1b\u7b2c\u56db\u4e2a\u5206\u533a\u5c06\u4f1a\u653e\u5728\u7b2c\u4e8c\u4e2a Broker \u4e0a\uff0c\u4f9d\u6b21\u7c7b\u63a8\uff1b<\/li>\n<li>\u5269\u4f59\u7684\u526f\u672c\u76f8\u5bf9\u4e8e\u7b2c\u4e00\u4e2a\u526f\u672c\u653e\u7f6e\u4f4d\u7f6e\u5176\u5b9e\u662f\u7531 nextReplicaShift \u51b3\u5b9a\u7684\uff0c\u800c\u8fd9\u4e2a\u6570\u4e5f\u662f\u968f\u673a\u4ea7\u751f\u7684<\/li>\n<\/ul>\n<h2>Kafka\u65b0\u5efa\u7684\u5206\u533a\u4f1a\u5728\u54ea\u4e2a\u76ee\u5f55\u4e0b\u521b\u5efa<\/h2>\n<ul>\n<li>\u5728\u542f\u52a8 Kafka \u96c6\u7fa4\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u914d\u7f6e\u597d log.dirs \u53c2\u6570\uff0c\u5176\u503c\u662f Kafka \u6570\u636e\u7684\u5b58\u653e\u76ee\u5f55\uff0c\u8fd9\u4e2a\u53c2\u6570\u53ef\u4ee5\u914d\u7f6e\u591a\u4e2a\u76ee\u5f55\uff0c\u76ee\u5f55\u4e4b\u95f4\u4f7f\u7528\u9017\u53f7\u5206\u9694\uff0c\u901a\u5e38\u8fd9\u4e9b\u76ee\u5f55\u662f\u5206\u5e03\u5728\u4e0d\u540c\u7684\u78c1\u76d8\u4e0a\u7528\u4e8e\u63d0\u9ad8\u8bfb\u5199\u6027\u80fd<\/li>\n<li>\u5f53\u7136\u6211\u4eec\u4e5f\u53ef\u4ee5\u914d\u7f6e log.dir \u53c2\u6570\uff0c\u542b\u4e49\u4e00\u6837\u3002\u53ea\u9700\u8981\u8bbe\u7f6e\u5176\u4e2d\u4e00\u4e2a\u5373\u53ef\u3002<\/li>\n<li>\u5982\u679c log.dirs \u53c2\u6570\u53ea\u914d\u7f6e\u4e86\u4e00\u4e2a\u76ee\u5f55\uff0c\u90a3\u4e48\u5206\u914d\u5230\u5404\u4e2a Broker \u4e0a\u7684\u5206\u533a\u80af\u5b9a\u53ea\u80fd\u5728\u8fd9\u4e2a\u76ee\u5f55\u4e0b\u521b\u5efa\u6587\u4ef6\u5939\u7528\u4e8e\u5b58\u653e\u6570\u636e\u3002<\/li>\n<li>\u4f46\u662f\u5982\u679c log.dirs \u53c2\u6570\u914d\u7f6e\u4e86\u591a\u4e2a\u76ee\u5f55\uff0c\u90a3\u4e48 Kafka \u4f1a\u5728\u54ea\u4e2a\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u5206\u533a\u76ee\u5f55\u5462\uff1f\u7b54\u6848\u662f\uff1aKafka \u4f1a\u5728\u542b\u6709\u5206\u533a\u76ee\u5f55\u6700\u5c11\u7684\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u65b0\u7684\u5206\u533a\u76ee\u5f55\uff0c\u5206\u533a\u76ee\u5f55\u540d\u4e3a Topic\u540d+\u5206\u533aID\u3002\u6ce8\u610f\uff0c\u662f\u5206\u533a\u6587\u4ef6\u5939\u603b\u6570\u6700\u5c11\u7684\u76ee\u5f55\uff0c\u800c\u4e0d\u662f\u78c1\u76d8\u4f7f\u7528\u91cf\u6700\u5c11\u7684\u76ee\u5f55\uff01\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u4f60\u7ed9 log.dirs \u53c2\u6570\u65b0\u589e\u4e86\u4e00\u4e2a\u65b0\u7684\u78c1\u76d8\uff0c\u65b0\u7684\u5206\u533a\u76ee\u5f55\u80af\u5b9a\u662f\u5148\u5728\u8fd9\u4e2a\u65b0\u7684\u78c1\u76d8\u4e0a\u521b\u5efa\u76f4\u5230\u8fd9\u4e2a\u65b0\u7684\u78c1\u76d8\u76ee\u5f55\u62e5\u6709\u7684\u5206\u533a\u76ee\u5f55\u4e0d\u662f\u6700\u5c11\u4e3a\u6b62\u3002<\/li>\n<\/ul>\n<h2>partition\u7684\u6570\u636e\u5982\u4f55\u4fdd\u5b58\u5230\u786c\u76d8<\/h2>\n<ul>\n<li>topic\u4e2d\u7684\u591a\u4e2apartition\u4ee5\u6587\u4ef6\u5939\u7684\u5f62\u5f0f\u4fdd\u5b58\u5230broker\uff0c\u6bcf\u4e2a\u5206\u533a\u5e8f\u53f7\u4ece0\u9012\u589e\uff0c\u4e14\u6d88\u606f\u6709\u5e8f<\/li>\n<li>Partition\u6587\u4ef6\u4e0b\u6709\u591a\u4e2asegment\uff08xxx.index\uff0cxxx.log\uff09<\/li>\n<li>segment \u6587\u4ef6\u91cc\u7684 \u5927\u5c0f\u548c\u914d\u7f6e\u6587\u4ef6\u5927\u5c0f\u4e00\u81f4\u53ef\u4ee5\u6839\u636e\u8981\u6c42\u4fee\u6539 \u9ed8\u8ba4\u4e3a1g<\/li>\n<li>\u5982\u679c\u5927\u5c0f\u5927\u4e8e1g\u65f6\uff0c\u4f1a\u6eda\u52a8\u4e00\u4e2a\u65b0\u7684segment\u5e76\u4e14\u4ee5\u4e0a\u4e00\u4e2asegment\u6700\u540e\u4e00\u6761\u6d88\u606f\u7684\u504f\u79fb\u91cf\u547d\u540d<\/li>\n<\/ul>\n<h2>kafka\u7684ack\u673a\u5236<\/h2>\n<ul>\n<li>request.required.acks\u6709\u4e09\u4e2a\u503c 0 1 -1<\/li>\n<li>0:\u751f\u4ea7\u8005\u4e0d\u4f1a\u7b49\u5f85broker\u7684ack\uff0c\u8fd9\u4e2a\u5ef6\u8fdf\u6700\u4f4e\u4f46\u662f\u5b58\u50a8\u7684\u4fdd\u8bc1\u6700\u5f31\u5f53server\u6302\u6389\u7684\u65f6\u5019\u5c31\u4f1a\u4e22\u6570\u636e<\/li>\n<li>1\uff1a\u670d\u52a1\u7aef\u4f1a\u7b49\u5f85ack\u503c leader\u526f\u672c\u786e\u8ba4\u63a5\u6536\u5230\u6d88\u606f\u540e\u53d1\u9001ack\u4f46\u662f\u5982\u679cleader\u6302\u6389\u540e\u4ed6\u4e0d\u786e\u4fdd\u662f\u5426\u590d\u5236\u5b8c\u6210\u65b0leader\u4e5f\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931<\/li>\n<li>-1\uff1a\u540c\u6837\u57281\u7684\u57fa\u7840\u4e0a \u670d\u52a1\u7aef\u4f1a\u7b49\u6240\u6709\u7684follower\u7684\u526f\u672c\u53d7\u5230\u6570\u636e\u540e\u624d\u4f1a\u53d7\u5230leader\u53d1\u51fa\u7684ack\uff0c\u8fd9\u6837\u6570\u636e\u4e0d\u4f1a\u4e22\u5931<\/li>\n<\/ul>\n<h2>Kafka\u7684\u6d88\u8d39\u8005\u5982\u4f55\u6d88\u8d39\u6570\u636e<\/h2>\n<ul>\n<li>\u6d88\u8d39\u8005\u6bcf\u6b21\u6d88\u8d39\u6570\u636e\u7684\u65f6\u5019\uff0c\u6d88\u8d39\u8005\u90fd\u4f1a\u8bb0\u5f55\u6d88\u8d39\u7684\u7269\u7406\u504f\u79fb\u91cf\uff08offset\uff09\u7684\u4f4d\u7f6e<\/li>\n<li>\u7b49\u5230\u4e0b\u6b21\u6d88\u8d39\u65f6\uff0c\u4ed6\u4f1a\u63a5\u7740\u4e0a\u6b21\u4f4d\u7f6e\u7ee7\u7eed\u6d88\u8d39<\/li>\n<\/ul>\n<h2>\u6d88\u8d39\u8005\u8d1f\u8f7d\u5747\u8861\u7b56\u7565<\/h2>\n<ul>\n<li>\u4e00\u4e2a\u6d88\u8d39\u8005\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5206\u7247\u5bf9\u5e94\u4e00\u4e2a\u6d88\u8d39\u8005\u6210\u5458\uff0c\u4ed6\u80fd\u4fdd\u8bc1\u6bcf\u4e2a\u6d88\u8d39\u8005\u6210\u5458\u90fd\u80fd\u8bbf\u95ee\uff0c\u5982\u679c\u7ec4\u4e2d\u6210\u5458\u592a\u591a\u4f1a\u6709\u7a7a\u95f2\u7684\u6210\u5458<\/li>\n<\/ul>\n<h2>\u6570\u636e\u6709\u5e8f<\/h2>\n<ul>\n<li>\u4e00\u4e2a\u6d88\u8d39\u8005\u7ec4\u91cc\u5b83\u7684\u5185\u90e8\u662f\u6709\u5e8f\u7684<\/li>\n<li>\u6d88\u8d39\u8005\u7ec4\u4e0e\u6d88\u8d39\u8005\u7ec4\u4e4b\u95f4\u662f\u65e0\u5e8f\u7684<\/li>\n<\/ul>\n<h2>kafaka\u751f\u4ea7\u6570\u636e\u65f6\u6570\u636e\u7684\u5206\u7ec4\u7b56\u7565<\/h2>\n<ul>\n<li>\u751f\u4ea7\u8005\u51b3\u5b9a\u6570\u636e\u4ea7\u751f\u5230\u96c6\u7fa4\u7684\u54ea\u4e2apartition\u4e2d<\/li>\n<li>\u6bcf\u4e00\u6761\u6d88\u606f\u90fd\u662f\u4ee5\uff08key\uff0cvalue\uff09\u683c\u5f0f<\/li>\n<li>Key\u662f\u7531\u751f\u4ea7\u8005\u53d1\u9001\u6570\u636e\u4f20\u5165<\/li>\n<li>\u6240\u4ee5\u751f\u4ea7\u8005\uff08key\uff09\u51b3\u5b9a\u4e86\u6570\u636e\u4ea7\u751f\u5230\u96c6\u7fa4\u7684\u54ea\u4e2apartition<\/li>\n<\/ul>\n<\/div>\n<p>\u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8eCSDN\uff1ahttps:\/\/blog.csdn.net\/Andrew_Chenwq\/article\/details\/129214065<\/p>\n","raw":"","protected":false},"excerpt":{"rendered":"<p>2023\u5e74\u6700\u65b0kafka\u5e38\u89c1\u9762\u8bd5\u9898 Kafka\u7684\u8bbe\u8ba1\u65f6\u4ec0\u4e48\u6837\u7684\u5462\uff1f Kafka\u5c06\u6d88\u606f\u4ee5topic\u4e3a\u5355\u4f4d\u8fdb\u884c\u5f52\u7eb3 \u5c06\u5411Kafka t &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[27,30],"tags":[],"class_list":["post-2922","post","type-post","status-publish","format-standard","hentry","category-jvm","category-30"],"post_thumbnail_image":"","content_first_image":null,"post_medium_image_300":"","post_thumbnail_image_624":"","post_frist_image":null,"post_medium_image":"","post_large_image":"","post_full_image":"","post_all_images":[],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"JVM","post_date":"2023-07-14","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":281,"next_post_id":2930,"next_post_title":"JVM\u56fe\u89e3","previous_post_id":2920,"previous_post_title":"JVM(\u5185\u5b58\u5212\u5206+\u7c7b\u52a0\u8f7d+GC)","_links":{"self":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/2922","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2922"}],"version-history":[{"count":0,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/2922\/revisions"}],"wp:attachment":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}