{"id":14685,"date":"2023-12-04T16:01:47","date_gmt":"2023-12-04T08:01:47","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14685"},"modified":"2023-12-13T14:36:03","modified_gmt":"2023-12-13T06:36:03","slug":"kafka-ji-qun-zhong-bao-liu-qi-de-mu-de-shi-shen-me","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/kafka-ji-qun-zhong-bao-liu-qi-de-mu-de-shi-shen-me\/","title":{"rendered":"Kafka\u96c6\u7fa4\u4e2d\u4fdd\u7559\u671f\u7684\u76ee\u7684\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u5728 Kafka \u96c6\u7fa4\u4e2d\uff0c\u4fdd\u7559\u671f\uff08Retention Period\uff09\u662f\u6307 Kafka \u4fdd\u7559\u6d88\u606f\u7684\u65f6\u95f4\u8303\u56f4\u3002\u6bcf\u4e2a\u4e3b\u9898\uff08Topic\uff09\u90fd\u53ef\u4ee5\u914d\u7f6e\u4fdd\u7559\u671f\uff0c\u5373\u6d88\u606f\u5728\u4e3b\u9898\u4e2d\u5b58\u50a8\u7684\u65f6\u95f4\u957f\u5ea6\u3002\u4fdd\u7559\u671f\u7684\u8bbe\u7f6e\u5bf9\u6d88\u606f\u7684\u5b58\u50a8\u548c\u6e05\u7406\u8d77\u7740\u5173\u952e\u7684\u4f5c\u7528\uff0c\u5176\u76ee\u7684\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n

    \n
  1. \n\u9650\u5236\u5b58\u50a8\u7a7a\u95f4\uff1a<\/strong> \u4fdd\u7559\u671f\u53ef\u4ee5\u7528\u4e8e\u9650\u5236\u6d88\u606f\u5728 Kafka \u96c6\u7fa4\u4e2d\u7684\u5b58\u50a8\u7a7a\u95f4\u3002\u901a\u8fc7\u8bbe\u7f6e\u4fdd\u7559\u671f\uff0c\u53ef\u4ee5\u786e\u4fdd\u65e7\u7684\u6d88\u606f\u4e0d\u4f1a\u65e0\u9650\u671f\u5730\u5b58\u50a8\u5728\u4e3b\u9898\u4e2d\uff0c\u4ece\u800c\u63a7\u5236\u4e3b\u9898\u7684\u5b58\u50a8\u5927\u5c0f\u3002\n<\/li>\n
  2. \n\u6570\u636e\u7ba1\u7406\u548c\u6e05\u7406\uff1a<\/strong> \u4fdd\u7559\u671f\u662f\u4e00\u79cd\u7ba1\u7406\u6d88\u606f\u5386\u53f2\u6570\u636e\u7684\u65b9\u5f0f\u3002\u65e7\u7684\u6d88\u606f\u53ef\u80fd\u4e0d\u518d\u5177\u6709\u4e1a\u52a1\u4ef7\u503c\uff0c\u800c\u4e14\u8fc7\u591a\u7684\u5386\u53f2\u6d88\u606f\u4f1a\u5360\u7528\u78c1\u76d8\u7a7a\u95f4\uff0c\u5f71\u54cd\u6027\u80fd\u3002\u901a\u8fc7\u914d\u7f6e\u4fdd\u7559\u671f\uff0c\u53ef\u4ee5\u5b9a\u671f\u6e05\u7406\u8fc7\u671f\u7684\u6d88\u606f\uff0c\u4fdd\u6301\u4e3b\u9898\u4e2d\u7684\u6570\u636e\u96c6\u8f83\u5c0f\u4e14\u9ad8\u6548\u3002\n<\/li>\n
  3. \n\u6ee1\u8db3\u5408\u89c4\u6027\u9700\u6c42\uff1a<\/strong> \u5728\u4e00\u4e9b\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u9700\u8981\u6839\u636e\u6cd5\u89c4\u6216\u5408\u89c4\u6027\u9700\u6c42\u4fdd\u7559\u6d88\u606f\u7684\u5386\u53f2\u6570\u636e\u4e00\u5b9a\u7684\u65f6\u95f4\uff0c\u4ee5\u4fbf\u8fdb\u884c\u5ba1\u8ba1\u548c\u67e5\u8be2\u3002\u901a\u8fc7\u8bbe\u7f6e\u4fdd\u7559\u671f\uff0c\u53ef\u4ee5\u6ee1\u8db3\u8fd9\u4e9b\u5408\u89c4\u6027\u8981\u6c42\u3002\n<\/li>\n
  4. \n\u6d41\u6570\u636e\u5904\u7406\uff1a<\/strong> \u5728\u6d41\u6570\u636e\u5904\u7406\u4e2d\uff0c\u901a\u5e38\u53ea\u5bf9\u6700\u65b0\u7684\u6570\u636e\u611f\u5174\u8da3\u3002\u8bbe\u7f6e\u4fdd\u7559\u671f\u53ef\u4ee5\u786e\u4fdd\u8fc7\u65f6\u7684\u6570\u636e\u4f1a\u88ab\u81ea\u52a8\u6e05\u7406\uff0c\u4fdd\u6301\u6570\u636e\u7684\u65b0\u9c9c\u5ea6\u3002\n<\/li>\n<\/ol>\n

    \u8bbe\u7f6e\u4fdd\u7559\u671f\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 Kafka \u4e3b\u9898\u7684\u914d\u7f6e\u53c2\u6570 retention.ms<\/code> \u6216 retention.bytes<\/code>\uff0c\u5206\u522b\u8868\u793a\u6d88\u606f\u7684\u5b58\u50a8\u65f6\u95f4\u548c\u5b58\u50a8\u5927\u5c0f\u7684\u9608\u503c\u3002\u6d88\u606f\u5c06\u5728\u8fbe\u5230\u5176\u4e2d\u4e00\u4e2a\u6761\u4ef6\u65f6\u88ab\u5220\u9664\u3002<\/p>\n

    \u4f8b\u5982\uff0c\u5728\u521b\u5efa\u4e3b\u9898\u65f6\u8bbe\u7f6e\u4fdd\u7559\u671f\u4e3a\u4e00\u5929\uff1a<\/p>\n

    bin\/kafka-topics.sh --create --topic my-topic --bootstrap-server localhost:9092 --partitions 1 --replication-factor 1 --config retention.ms=86400000\n<\/code><\/pre>\n
    \u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0cretention.ms<\/code> \u8bbe\u7f6e\u4e3a 86400000 \u6beb\u79d2\uff0c\u5373\u4e00\u5929\u3002\u8fd9\u610f\u5473\u7740\u6d88\u606f\u5728\u4e3b\u9898\u4e2d\u6700\u591a\u4fdd\u7559\u4e00\u5929\u7684\u65f6\u95f4\uff0c\u8d85\u8fc7\u8fd9\u4e2a\u65f6\u95f4\u7684\u6d88\u606f\u5c06\u88ab\u6e05\u7406\u3002<\/p>\n
    \u603b\u4f53\u800c\u8a00\uff0c\u901a\u8fc7\u914d\u7f6e\u4fdd\u7559\u671f\uff0c\u53ef\u4ee5\u7075\u6d3b\u63a7\u5236 Kafka \u96c6\u7fa4\u4e2d\u6d88\u606f\u7684\u5b58\u50a8\u65f6\u95f4\uff0c\u786e\u4fdd\u6570\u636e\u7ba1\u7406\u7684\u5408\u7406\u6027\u548c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728 Kafka \u96c6\u7fa4\u4e2d\uff0c\u4fdd\u7559\u671f\uff08Retention Period\uff09\u662f\u6307 Kafka \u4fdd\u7559\u6d88\u606f\u7684\u65f6\u95f4\u8303\u56f4\u3002\u6bcf\u4e2a\u4e3b […]<\/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-14685","post","type-post","status-publish","format-standard","hentry","category-kafka"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14685","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=14685"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14685\/revisions"}],"predecessor-version":[{"id":48035,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14685\/revisions\/48035"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14685"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}