{"id":14757,"date":"2023-12-04T16:06:48","date_gmt":"2023-12-04T08:06:48","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14757"},"modified":"2023-12-13T16:11:39","modified_gmt":"2023-12-13T08:11:39","slug":"kafkaproducer-xie-shu-juack-wei0-1-1shi-fen-bie-da","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/kafkaproducer-xie-shu-juack-wei0-1-1shi-fen-bie-da\/","title":{"rendered":"KafkaProducer\u5199\u6570\u636e\uff0cACK\u4e3a0, 1, -1\u65f6\u5206\u522b\u4ee3\u8868\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p>\u5728 Kafka \u4e2d\uff0cACK\uff08Acknowledgment\uff09\u662f\u6307\u786e\u8ba4\u673a\u5236\uff0c\u7528\u4e8e\u6307\u5b9a\u751f\u4ea7\u8005\u8981\u7b49\u5f85\u7684\u786e\u8ba4\u7ea7\u522b\uff0c\u5373\u8868\u793a\u751f\u4ea7\u8005\u53d1\u9001\u6d88\u606f\u540e\uff0c\u9700\u8981\u7b49\u5f85\u591a\u5c11\u4e2a\u526f\u672c\u8282\u70b9\u6210\u529f\u5199\u5165\u6570\u636e\uff0c\u624d\u8ba4\u4e3a\u5199\u5165\u64cd\u4f5c\u662f\u6210\u529f\u7684\u3002<\/p>\n<p>\u5177\u4f53\u6765\u8bf4\uff0cACK \u7684\u53d6\u503c\u53ef\u4ee5\u662f 0\u30011\u3001-1\u3002\u5b83\u4eec\u5206\u522b\u4ee3\u8868\u4e0d\u540c\u7684\u786e\u8ba4\u7ea7\u522b\uff1a<\/p>\n<ol>\n<li>\n<strong>ACK=0:<\/strong><\/p>\n<ul>\n<li>\u5f53 ACK \u8bbe\u7f6e\u4e3a 0 \u65f6\uff0c\u751f\u4ea7\u8005\u4e0d\u7b49\u5f85\u6765\u81ea\u670d\u52a1\u5668\u7684\u4efb\u4f55\u786e\u8ba4\u3002\u751f\u4ea7\u8005\u53d1\u9001\u6d88\u606f\u540e\uff0c\u5c31\u8ba4\u4e3a\u6d88\u606f\u5df2\u7ecf\u53d1\u9001\u6210\u529f\uff0c\u800c\u4e0d\u9700\u8981\u7b49\u5f85\u670d\u52a1\u5668\u7684\u786e\u8ba4\u3002\u8fd9\u662f\u6700\u4f4e\u7684\u786e\u8ba4\u7ea7\u522b\uff0c\u4e5f\u662f\u6700\u4e0d\u53ef\u9760\u7684\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>ACK=1:<\/strong><\/p>\n<ul>\n<li>\u5f53 ACK \u8bbe\u7f6e\u4e3a 1 \u65f6\uff0c\u751f\u4ea7\u8005\u4f1a\u7b49\u5f85\u6d88\u606f\u88ab\u9886\u5bfc\u8005\uff08leader\uff09\u5199\u5165\u672c\u5730\u65e5\u5fd7\uff0c\u5e76\u5c06\u6d88\u606f\u6210\u529f\u5199\u5165\u672c\u5730\u65e5\u5fd7\u540e\u5373\u89c6\u4e3a\u53d1\u9001\u6210\u529f\uff0c\u4e0d\u9700\u8981\u7b49\u5f85\u5176\u4ed6\u526f\u672c\u7684\u786e\u8ba4\u3002\u8fd9\u610f\u5473\u7740\u53ea\u8981\u9886\u5bfc\u8005\u786e\u8ba4\u5199\u5165\u6210\u529f\uff0c\u751f\u4ea7\u8005\u5c31\u8ba4\u4e3a\u6d88\u606f\u5df2\u7ecf\u88ab\u6210\u529f\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>ACK=-1:<\/strong><\/p>\n<ul>\n<li>\u5f53 ACK \u8bbe\u7f6e\u4e3a -1\uff08\u6216 all\uff09\u65f6\uff0c\u751f\u4ea7\u8005\u5c06\u7b49\u5f85\u6d88\u606f\u88ab\u6240\u6709\u7684 in-sync \u526f\u672c\uff08ISR\uff0cIn-Sync Replica\uff09\u6210\u529f\u5199\u5165\u672c\u5730\u65e5\u5fd7\uff0c\u624d\u8ba4\u4e3a\u6d88\u606f\u53d1\u9001\u6210\u529f\u3002\u8fd9\u662f\u6700\u9ad8\u7684\u786e\u8ba4\u7ea7\u522b\uff0c\u4e5f\u662f\u6700\u53ef\u9760\u7684\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cACK \u7684\u9009\u62e9\u901a\u5e38\u9700\u8981\u6743\u8861\u6570\u636e\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002\u8f83\u4f4e\u7684 ACK \u7ea7\u522b\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u53ef\u80fd\u5bfc\u81f4\u6d88\u606f\u7684\u4e22\u5931\u6216\u91cd\u590d\u3002\u8f83\u9ad8\u7684 ACK \u7ea7\u522b\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u7684\u53ef\u9760\u6027\uff0c\u4f46\u53ef\u80fd\u5e26\u6765\u66f4\u9ad8\u7684\u5ef6\u8fdf\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cACK \u8bbe\u7f6e\u53ea\u5f71\u54cd\u751f\u4ea7\u8005\u5bf9\u6d88\u606f\u53d1\u9001\u7684\u7b49\u5f85\u786e\u8ba4\u8fc7\u7a0b\uff0c\u4e0d\u5f71\u54cd\u6d88\u606f\u7684\u6301\u4e45\u6027\u3002Kafka \u7684\u6301\u4e45\u6027\u662f\u901a\u8fc7\u914d\u7f6e <code>acks<\/code> \u53c2\u6570\u6765\u63a7\u5236\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Kafka \u4e2d\uff0cACK\uff08Acknowledgment\uff09\u662f\u6307\u786e\u8ba4\u673a\u5236\uff0c\u7528\u4e8e\u6307\u5b9a\u751f\u4ea7\u8005\u8981\u7b49\u5f85\u7684\u786e\u8ba4\u7ea7\u522b\uff0c\u5373\u8868\u793a [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[122],"tags":[],"class_list":["post-14757","post","type-post","status-publish","format-standard","hentry","category-kafka"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14757","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=14757"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14757\/revisions"}],"predecessor-version":[{"id":48070,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14757\/revisions\/48070"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14757"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}