{"id":14663,"date":"2023-12-04T16:00:00","date_gmt":"2023-12-04T08:00:00","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14663"},"modified":"2023-12-13T14:28:08","modified_gmt":"2023-12-13T06:28:08","slug":"kafka-demessage-ge-shi-shi-shen-me","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/kafka-demessage-ge-shi-shi-shen-me\/","title":{"rendered":"Kafka\u7684message\u683c\u5f0f\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u5728 Apache Kafka \u4e2d\uff0c\u6d88\u606f\uff08Message\uff09\u662f\u4ee5\u5b57\u8282\u6570\u7ec4\u7684\u5f62\u5f0f\u5b58\u5728\u7684\uff0cKafka \u672c\u8eab\u5e76\u4e0d\u5173\u5fc3\u6d88\u606f\u7684\u5177\u4f53\u683c\u5f0f\u3002Kafka \u5c06\u6d88\u606f\u89c6\u4e3a\u4e0d\u900f\u660e\u7684\u5b57\u8282\u6570\u7ec4\uff0c\u5141\u8bb8\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u5728\u5b57\u8282\u6570\u7ec4\u4e2d\u5b58\u50a8\u548c\u89e3\u6790\u4efb\u4f55\u683c\u5f0f\u7684\u6570\u636e\u3002<\/p>\n

\u6bcf\u4e2a Kafka \u6d88\u606f\u7531\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u5b57\u6bb5\u7ec4\u6210\uff1a<\/p>\n

    \n
  1. \nKey\uff08\u53ef\u9009\uff09\uff1a<\/strong> \u6d88\u606f\u7684\u952e\uff0c\u901a\u5e38\u662f\u4e00\u4e2a\u5b57\u8282\u6570\u7ec4\uff0c\u7528\u4e8e\u6807\u8bc6\u6d88\u606f\u3002\u952e\u662f\u53ef\u9009\u7684\uff0c\u5373\u6d88\u606f\u53ef\u4ee5\u6ca1\u6709\u952e\u3002\n<\/li>\n
  2. \nValue\uff1a<\/strong> \u6d88\u606f\u7684\u5b9e\u9645\u6570\u636e\u5185\u5bb9\uff0c\u4e5f\u662f\u4e00\u4e2a\u5b57\u8282\u6570\u7ec4\u3002\u8fd9\u662f Kafka \u4e2d\u6700\u91cd\u8981\u7684\u90e8\u5206\uff0c\u5b58\u50a8\u4e86\u751f\u4ea7\u8005\u4ea7\u751f\u7684\u539f\u59cb\u6570\u636e\u3002\n<\/li>\n
  3. \nTimestamp\uff08\u53ef\u9009\uff09\uff1a<\/strong> \u6d88\u606f\u7684\u65f6\u95f4\u6233\uff0c\u8868\u793a\u6d88\u606f\u88ab\u751f\u4ea7\u7684\u65f6\u95f4\u3002\u65f6\u95f4\u6233\u53ef\u4ee5\u662f\u6d88\u606f\u7684\u521b\u5efa\u65f6\u95f4\uff0c\u4e5f\u53ef\u4ee5\u662f\u5176\u4ed6\u65f6\u95f4\u70b9\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u751f\u4ea7\u8005\u7684\u8bbe\u7f6e\u3002\n<\/li>\n
  4. \nHeaders\uff08\u53ef\u9009\uff09\uff1a<\/strong> \u6d88\u606f\u5934\uff0c\u662f\u4e00\u7ec4\u952e\u503c\u5bf9\uff0c\u7528\u4e8e\u5b58\u50a8\u6d88\u606f\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002\u5934\u90e8\u53ef\u4ee5\u5305\u542b\u4e00\u4e9b\u989d\u5916\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u6d88\u606f\u7684\u6765\u6e90\u3001\u683c\u5f0f\u3001\u7248\u672c\u7b49\u3002\n<\/li>\n
  5. \nPartition\uff08\u53ef\u9009\uff09\uff1a<\/strong> \u5982\u679c\u6d88\u606f\u88ab\u53d1\u9001\u5230\u4e00\u4e2a\u7279\u5b9a\u7684\u5206\u533a\uff0c\u90a3\u4e48\u5b83\u4f1a\u5305\u542b\u4e00\u4e2a\u5206\u533a\u4fe1\u606f\u3002\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u5206\u533a\uff0cKafka \u4f1a\u6839\u636e\u5206\u533a\u7b56\u7565\u5c06\u6d88\u606f\u53d1\u9001\u5230\u5408\u9002\u7684\u5206\u533a\u3002\n<\/li>\n<\/ol>\n

    \u7531\u4e8e\u6d88\u606f\u7684 Value \u5b57\u6bb5\u662f\u5b57\u8282\u6570\u7ec4\uff0c\u56e0\u6b64\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u9009\u62e9\u4efb\u4f55\u5408\u9002\u7684\u6570\u636e\u683c\u5f0f\uff0c\u5982\u6587\u672c\u3001JSON\u3001Avro\u3001Protobuf \u7b49\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5e38\u5e38\u6839\u636e\u6570\u636e\u7684\u7279\u70b9\u548c\u6d88\u8d39\u8005\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u6d88\u606f\u683c\u5f0f\u3002<\/p>\n

    Kafka \u7684\u6d88\u606f\u683c\u5f0f\u7684\u7075\u6d3b\u6027\u662f\u5176\u5f3a\u5927\u4e4b\u5904\uff0c\u4f7f\u5176\u9002\u7528\u4e8e\u591a\u79cd\u573a\u666f\u548c\u6570\u636e\u7c7b\u578b\u3002\u6d88\u8d39\u8005\u9700\u8981\u4e86\u89e3\u6d88\u606f\u7684\u683c\u5f0f\uff0c\u4ee5\u6b63\u786e\u5730\u89e3\u6790\u548c\u5904\u7406\u6d88\u606f\u5185\u5bb9\u3002\u901a\u5e38\uff0c\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u4e4b\u95f4\u9700\u8981\u534f\u5546\u597d\u6d88\u606f\u7684\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u65b9\u5f0f\uff0c\u4ee5\u786e\u4fdd\u6d88\u606f\u7684\u6b63\u786e\u4f20\u9012\u548c\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u5728 Apache Kafka \u4e2d\uff0c\u6d88\u606f\uff08Message\uff09\u662f\u4ee5\u5b57\u8282\u6570\u7ec4\u7684\u5f62\u5f0f\u5b58\u5728\u7684\uff0cKafka \u672c\u8eab\u5e76\u4e0d\u5173\u5fc3\u6d88\u606f […]<\/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-14663","post","type-post","status-publish","format-standard","hentry","category-kafka"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14663","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=14663"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14663\/revisions"}],"predecessor-version":[{"id":48024,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14663\/revisions\/48024"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14663"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}