{"id":14715,"date":"2023-12-04T16:03:48","date_gmt":"2023-12-04T08:03:48","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14715"},"modified":"2023-12-13T15:05:11","modified_gmt":"2023-12-13T07:05:11","slug":"kafka-zhong-de-shu-ju-ri-zhi-shi-shen-me","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/kafka-zhong-de-shu-ju-ri-zhi-shi-shen-me\/","title":{"rendered":"Kafka\u4e2d\u7684\u6570\u636e\u65e5\u5fd7\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u5728 Kafka \u4e2d\uff0c\u6570\u636e\u65e5\u5fd7\u662f\u6307 Kafka \u4f7f\u7528\u7684\u4e00\u79cd\u5b58\u50a8\u6d88\u606f\u7684\u673a\u5236\uff0c\u901a\u5e38\u88ab\u79f0\u4e3a\u65e5\u5fd7\uff08Log\uff09\u3002Kafka \u4f7f\u7528\u7c7b\u4f3c\u4e8e\u65e5\u5fd7\u7684\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\u6d88\u606f\uff0c\u88ab\u79f0\u4e3a "\u65e5\u5fd7\u6bb5"\uff08Log Segment\uff09\u3002<\/p>\n

\u4ee5\u4e0b\u662f Kafka \u6570\u636e\u65e5\u5fd7\u7684\u4e00\u4e9b\u5173\u952e\u6982\u5ff5\uff1a<\/p>\n

    \n
  1. \n\u65e5\u5fd7\uff08Log\uff09\uff1a<\/strong> \u5728 Kafka \u4e2d\uff0c\u6bcf\u4e2a\u4e3b\u9898\uff08Topic\uff09\u7684\u6570\u636e\u90fd\u88ab\u7ec4\u7ec7\u6210\u4e00\u4e2a\u6216\u591a\u4e2a\u65e5\u5fd7\u3002\u6bcf\u4e2a\u65e5\u5fd7\u53ef\u4ee5\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u65e5\u5fd7\u6bb5\u3002\n<\/li>\n
  2. \n\u65e5\u5fd7\u6bb5\uff08Log Segment\uff09\uff1a<\/strong> \u65e5\u5fd7\u6bb5\u662f\u4e00\u4e2a\u8fde\u7eed\u7684\u6d88\u606f\u5e8f\u5217\uff0c\u5b83\u662f\u65e5\u5fd7\u7684\u57fa\u672c\u5b58\u50a8\u5355\u5143\u3002\u5f53\u4e00\u4e2a\u65e5\u5fd7\u6bb5\u8fbe\u5230\u4e00\u5b9a\u7684\u5927\u5c0f\u6216\u5b58\u50a8\u65f6\u95f4\u65f6\uff0c\u5b83\u4f1a\u88ab\u5173\u95ed\uff0c\u5e76\u4e14\u4e00\u4e2a\u65b0\u7684\u65e5\u5fd7\u6bb5\u4f1a\u88ab\u521b\u5efa\u3002\u8fd9\u79cd\u673a\u5236\u53ef\u4ee5\u786e\u4fdd Kafka \u6570\u636e\u7684\u7d27\u51d1\u5b58\u50a8\u548c\u9ad8\u6548\u7684\u8ffd\u52a0\u5199\u5165\u3002\n<\/li>\n
  3. \n\u6d88\u606f\uff08Message\uff09\uff1a<\/strong> \u6d88\u606f\u662f Kafka \u5b58\u50a8\u548c\u4f20\u9012\u7684\u57fa\u672c\u6570\u636e\u5355\u5143\u3002\u6bcf\u6761\u6d88\u606f\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u504f\u79fb\u91cf\uff08Offset\uff09\uff0c\u7528\u4e8e\u6807\u8bc6\u6d88\u606f\u5728\u5206\u533a\u4e2d\u7684\u4f4d\u7f6e\u3002\n<\/li>\n
  4. \n\u5206\u533a\uff08Partition\uff09\uff1a<\/strong> \u6bcf\u4e2a\u4e3b\u9898\u53ef\u4ee5\u88ab\u5212\u5206\u4e3a\u591a\u4e2a\u5206\u533a\uff0c\u6bcf\u4e2a\u5206\u533a\u6709\u81ea\u5df1\u7684\u6570\u636e\u65e5\u5fd7\u3002\u5206\u533a\u5141\u8bb8 Kafka \u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e2d\u5e76\u884c\u5904\u7406\u6d88\u606f\u3002\n<\/li>\n
  5. \nLeader \u548c Follower\uff1a<\/strong> \u5728\u6bcf\u4e2a\u5206\u533a\u4e2d\uff0c\u6709\u4e00\u4e2a\u526f\u672c\u88ab\u9009\u4e3e\u4e3a Leader\uff0c\u8d1f\u8d23\u5904\u7406\u8bfb\u5199\u8bf7\u6c42\u3002\u5176\u4ed6\u7684\u526f\u672c\u79f0\u4e3a Follower\uff0c\u5b83\u4eec\u4e0e Leader \u4fdd\u6301\u540c\u6b65\u3002Leader \u548c Follower \u4e4b\u95f4\u901a\u8fc7\u6570\u636e\u65e5\u5fd7\u8fdb\u884c\u6d88\u606f\u590d\u5236\u3002\n<\/li>\n
  6. \n\u9ad8\u6c34\u4f4d\u7ebf\uff08High Watermark\uff09\uff1a<\/strong> \u9ad8\u6c34\u4f4d\u7ebf\u662f\u5206\u533a\u4e2d\u6240\u6709\u526f\u672c\u5171\u4eab\u7684\u6982\u5ff5\uff0c\u8868\u793a\u5df2\u7ecf\u6210\u529f\u590d\u5236\u5230\u6240\u6709\u526f\u672c\u7684\u6d88\u606f\u7684\u4f4d\u7f6e\u3002\u9ad8\u6c34\u4f4d\u7ebf\u7528\u4e8e\u786e\u5b9a ISR\uff08In-Sync Replica\uff09\u4e2d\u7684\u526f\u672c\u662f\u5426\u8db3\u591f\u8ffd\u8d76 Leader\u3002\n<\/li>\n<\/ol>\n

    \u6570\u636e\u65e5\u5fd7\u7684\u4f7f\u7528\u4f7f\u5f97 Kafka \u5177\u6709\u9ad8\u541e\u5410\u91cf\u3001\u6301\u4e45\u6027\u5b58\u50a8\u548c\u5bb9\u9519\u6027\u3002\u6bcf\u4e2a\u5206\u533a\u7684\u6570\u636e\u65e5\u5fd7\u7531\u591a\u4e2a\u65e5\u5fd7\u6bb5\u7ec4\u6210\uff0c\u6bcf\u4e2a\u65e5\u5fd7\u6bb5\u90fd\u5305\u542b\u4e00\u5b9a\u6570\u91cf\u7684\u6d88\u606f\u3002\u901a\u8fc7\u4e0d\u65ad\u8ffd\u52a0\u65b0\u7684\u6d88\u606f\uff0cKafka \u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u5199\u5165\u64cd\u4f5c\u3002\u6570\u636e\u65e5\u5fd7\u7684\u8bbe\u8ba1\u4e5f\u662f Kafka \u9ad8\u6027\u80fd\u548c\u53ef\u9760\u6027\u7684\u5173\u952e\u56e0\u7d20\u4e4b\u4e00\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u5728 Kafka \u4e2d\uff0c\u6570\u636e\u65e5\u5fd7\u662f\u6307 Kafka \u4f7f\u7528\u7684\u4e00\u79cd\u5b58\u50a8\u6d88\u606f\u7684\u673a\u5236\uff0c\u901a\u5e38\u88ab\u79f0\u4e3a\u65e5\u5fd7\uff08Log\uff09\u3002Kafka […]<\/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-14715","post","type-post","status-publish","format-standard","hentry","category-kafka"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14715","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=14715"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14715\/revisions"}],"predecessor-version":[{"id":48050,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14715\/revisions\/48050"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14715"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}