{"id":14539,"date":"2023-12-04T15:50:27","date_gmt":"2023-12-04T07:50:27","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14539"},"modified":"2023-12-12T15:30:13","modified_gmt":"2023-12-12T07:30:13","slug":"kafka-zhong-pian-yi-de-zuo-yong-shi-shen-me","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/kafka-zhong-pian-yi-de-zuo-yong-shi-shen-me\/","title":{"rendered":"Kafka\u4e2d\u504f\u79fb\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u5728Kafka\u4e2d\uff0c\u504f\u79fb\uff08Offset\uff09\u662f\u7528\u6765\u6807\u8bc6\u6d88\u8d39\u8005\u5728\u4e00\u4e2a\u7279\u5b9a\u5206\u533a\u4e2d\u5df2\u7ecf\u5904\u7406\u6d88\u606f\u7684\u4f4d\u7f6e\u7684\u6807\u8bb0\u3002\u6bcf\u4e2a\u6d88\u8d39\u8005\u7ec4\uff08Consumer Group\uff09\u5728\u6bcf\u4e2a\u5206\u533a\u4e2d\u90fd\u6709\u4e00\u4e2a\u504f\u79fb\uff0c\u8868\u793a\u8be5\u5206\u533a\u4e2d\u4e0b\u4e00\u6761\u5f85\u6d88\u8d39\u6d88\u606f\u7684\u4f4d\u7f6e\u3002\u504f\u79fb\u7684\u4f5c\u7528\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n

    \n
  1. \n\u6d88\u606f\u7684\u552f\u4e00\u6807\u8bc6\uff1a<\/strong> \u6bcf\u4e2a\u6d88\u606f\u5728\u4e00\u4e2a\u5206\u533a\u4e2d\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u504f\u79fb\u503c\uff0c\u7528\u6765\u6807\u8bc6\u6d88\u606f\u7684\u4f4d\u7f6e\u3002\u504f\u79fb\u662f\u4e00\u4e2a64\u4f4d\u7684\u957f\u6574\u578b\u6570\u5b57\u3002\n<\/li>\n
  2. \n\u4fdd\u8bc1\u6d88\u8d39\u8005\u7684\u4f4d\u7f6e\uff1a<\/strong> \u6d88\u8d39\u8005\u901a\u8fc7\u504f\u79fb\u6765\u8bb0\u5f55\u5b83\u4eec\u5728\u6bcf\u4e2a\u5206\u533a\u4e2d\u7684\u4f4d\u7f6e\u3002\u8fd9\u6837\uff0c\u5373\u4f7f\u6d88\u8d39\u8005\u5173\u95ed\u6216\u91cd\u65b0\u542f\u52a8\uff0c\u5b83\u4eec\u4ecd\u7136\u80fd\u591f\u77e5\u9053\u5728\u6bcf\u4e2a\u5206\u533a\u4e2d\u5e94\u8be5\u4ece\u54ea\u91cc\u5f00\u59cb\u7ee7\u7eed\u6d88\u8d39\u3002\n<\/li>\n
  3. \nExactly Once \u8bed\u4e49\uff1a<\/strong> \u4f7f\u7528\u504f\u79fb\u53ef\u4ee5\u5b9e\u73b0 Kafka \u7684 Exactly Once \u8bed\u4e49\u3002\u901a\u8fc7\u5b9a\u671f\u63d0\u4ea4\u504f\u79fb\uff0c\u6d88\u8d39\u8005\u53ef\u4ee5\u786e\u4fdd\u5728\u5904\u7406\u6d88\u606f\u65f6\u8bb0\u5f55\u5176\u4f4d\u7f6e\uff0c\u907f\u514d\u6d88\u606f\u88ab\u91cd\u590d\u5904\u7406\u3002\n<\/li>\n
  4. \n\u56de\u6eaf\u6d88\u8d39\uff1a<\/strong> \u6d88\u8d39\u8005\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u504f\u79fb\u7684\u503c\u6765\u56de\u6eaf\u6d88\u8d39\u6d88\u606f\uff0c\u5373\u91cd\u65b0\u6d88\u8d39\u4e4b\u524d\u7684\u6d88\u606f\u3002\u8fd9\u5bf9\u4e8e\u91cd\u65b0\u5904\u7406\u6570\u636e\u3001\u8c03\u8bd5\u548c\u6d4b\u8bd5\u7b49\u573a\u666f\u975e\u5e38\u6709\u7528\u3002\n<\/li>\n
  5. \n\u6d88\u8d39\u8005\u7ec4\u7684\u534f\u8c03\uff1a<\/strong> \u504f\u79fb\u662f\u6d88\u8d39\u8005\u7ec4\u534f\u8c03\u7684\u57fa\u7840\u3002Kafka\u901a\u8fc7\u7ef4\u62a4\u6bcf\u4e2a\u6d88\u8d39\u8005\u7ec4\u5728\u6bcf\u4e2a\u5206\u533a\u4e2d\u7684\u504f\u79fb\uff0c\u5b9e\u73b0\u4e86\u591a\u4e2a\u6d88\u8d39\u8005\u534f\u540c\u5de5\u4f5c\uff0c\u786e\u4fdd\u5b83\u4eec\u4e0d\u4f1a\u6d88\u8d39\u76f8\u540c\u7684\u6d88\u606f\u3002\n<\/li>\n<\/ol>\n

    \u5728Kafka\u4e2d\uff0c\u504f\u79fb\u662f\u7531\u6d88\u8d39\u8005\u7ec4\u7ba1\u7406\u7684\u3002\u6d88\u8d39\u8005\u7ec4\u5185\u7684\u6bcf\u4e2a\u6d88\u8d39\u8005\u90fd\u6709\u81ea\u5df1\u7684\u504f\u79fb\uff0c\u800c\u6d88\u8d39\u8005\u7ec4\u534f\u8c03\u5668\uff08Coordinator\uff09\u8d1f\u8d23\u8ddf\u8e2a\u548c\u7ba1\u7406\u8fd9\u4e9b\u504f\u79fb\u3002\u504f\u79fb\u7684\u63d0\u4ea4\u548c\u7ef4\u62a4\u662f\u6d88\u8d39\u8005\u7ec4\u7ba1\u7406\u548c\u5206\u914d\u8d44\u6e90\u7684\u5173\u952e\u90e8\u5206\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u5728Kafka\u4e2d\uff0c\u504f\u79fb\uff08Offset\uff09\u662f\u7528\u6765\u6807\u8bc6\u6d88\u8d39\u8005\u5728\u4e00\u4e2a\u7279\u5b9a\u5206\u533a\u4e2d\u5df2\u7ecf\u5904\u7406\u6d88\u606f\u7684\u4f4d\u7f6e\u7684\u6807\u8bb0\u3002\u6bcf\u4e2a\u6d88\u8d39\u8005\u7ec4\uff08C […]<\/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-14539","post","type-post","status-publish","format-standard","hentry","category-kafka"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14539","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=14539"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14539\/revisions"}],"predecessor-version":[{"id":47959,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14539\/revisions\/47959"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14539"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}