{"id":14635,"date":"2023-12-04T15:57:57","date_gmt":"2023-12-04T07:57:57","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14635"},"modified":"2023-12-13T14:16:32","modified_gmt":"2023-12-13T06:16:32","slug":"kafka-de-na-xie-chang-jing-zhong-shi-yong-le-ling","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/kafka-de-na-xie-chang-jing-zhong-shi-yong-le-ling\/","title":{"rendered":"Kafka\u7684\u54ea\u4e9b\u573a\u666f\u4e2d\u4f7f\u7528\u4e86\u96f6\u62f7\u8d1d(Zero Copy) ?"},"content":{"rendered":"

\u96f6\u62f7\u8d1d\uff08Zero Copy\uff09\u662f\u4e00\u79cd\u901a\u8fc7\u907f\u514d\u5c06\u6570\u636e\u4ece\u4e00\u4e2a\u7f13\u51b2\u533a\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u7f13\u51b2\u533a\u6765\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u6548\u7387\u7684\u6280\u672f\u3002\u5728Kafka\u4e2d\uff0c\u96f6\u62f7\u8d1d\u88ab\u5e7f\u6cdb\u7528\u4e8e\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u5c24\u5176\u5728\u4ee5\u4e0b\u51e0\u4e2a\u573a\u666f\u4e2d\u4f7f\u7528\u4e86\u96f6\u62f7\u8d1d\uff1a<\/p>\n

    \n
  1. \n\u751f\u4ea7\u8005\u53d1\u9001\u6d88\u606f\uff1a<\/strong> Kafka\u751f\u4ea7\u8005\u5728\u53d1\u9001\u6d88\u606f\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u96f6\u62f7\u8d1d\u6765\u907f\u514d\u5c06\u6d88\u606f\u5185\u5bb9\u4ece\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u590d\u5236\u5230\u5185\u6838\u7f13\u51b2\u533a\u3002\u901a\u8fc7\u4f7f\u7528sendfile<\/code>\u7b49\u7cfb\u7edf\u8c03\u7528\uff0c\u53ef\u4ee5\u76f4\u63a5\u5c06\u6587\u4ef6\u5185\u5bb9\u4f20\u8f93\u5230Kafka\u7684\u65e5\u5fd7\u5206\u533a\u4e2d\uff0c\u800c\u65e0\u9700\u7ecf\u8fc7\u7528\u6237\u7a7a\u95f4\u7684\u4e2d\u95f4\u7f13\u51b2\u3002\n<\/li>\n
  2. \n\u6587\u4ef6\u65e5\u5fd7\u7684\u6279\u91cf\u5199\u5165\uff1a<\/strong> Kafka\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf\u6765\u5b58\u50a8\u6d88\u606f\u65e5\u5fd7\u3002\u5f53\u6d88\u606f\u4ee5\u6279\u91cf\u7684\u65b9\u5f0f\u5199\u5165\u6587\u4ef6\u65f6\uff0c\u96f6\u62f7\u8d1d\u53ef\u7528\u4e8e\u907f\u514d\u5728\u5185\u6838\u548c\u7528\u6237\u7a7a\u95f4\u4e4b\u95f4\u8fdb\u884c\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u590d\u5236\u3002Kafka\u53ef\u4ee5\u901a\u8fc7sendfile<\/code>\u7b49\u7cfb\u7edf\u8c03\u7528\u6765\u5b9e\u73b0\u96f6\u62f7\u8d1d\u7684\u6587\u4ef6\u5199\u5165\u64cd\u4f5c\u3002\n<\/li>\n
  3. \n\u7f51\u7edc\u6570\u636e\u4f20\u8f93\uff1a<\/strong> \u5728Kafka\u7684\u7f51\u7edc\u5c42\uff0c\u96f6\u62f7\u8d1d\u88ab\u7528\u4e8e\u4f18\u5316\u6d88\u606f\u7684\u4f20\u8f93\u3002\u5f53\u6d88\u606f\u4ece\u751f\u4ea7\u8005\u4f20\u8f93\u5230Kafka\u96c6\u7fa4\u4e2d\u7684Broker\u65f6\uff0c\u6216\u8005\u4eceBroker\u4f20\u8f93\u5230\u6d88\u8d39\u8005\u65f6\uff0c\u7f51\u7edc\u5c42\u53ef\u4ee5\u4f7f\u7528\u96f6\u62f7\u8d1d\u6765\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u62f7\u8d1d\uff0c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u3002\n<\/li>\n
  4. \n\u96f6\u62f7\u8d1d\u6d88\u8d39\u8005\uff1a<\/strong> \u6d88\u8d39\u8005\u5728\u4eceKafka\u62c9\u53d6\u6d88\u606f\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u96f6\u62f7\u8d1d\u6765\u907f\u514d\u5c06\u6d88\u606f\u5185\u5bb9\u590d\u5236\u5230\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u4e2d\u3002\u901a\u8fc7\u4f7f\u7528sendfile<\/code>\u7b49\u7cfb\u7edf\u8c03\u7528\uff0c\u53ef\u4ee5\u5c06\u6d88\u606f\u76f4\u63a5\u4f20\u8f93\u5230\u6d88\u8d39\u8005\u7684\u5185\u5b58\u7f13\u51b2\u533a\uff0c\u800c\u65e0\u9700\u5728\u7528\u6237\u7a7a\u95f4\u4e2d\u8fdb\u884c\u989d\u5916\u7684\u6570\u636e\u590d\u5236\u3002\n<\/li>\n<\/ol>\n

    \u5728\u8fd9\u4e9b\u573a\u666f\u4e2d\uff0c\u96f6\u62f7\u8d1d\u6280\u672f\u7684\u5e94\u7528\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u590d\u5236\uff0c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\uff0c\u964d\u4f4e\u7cfb\u7edf\u7684\u5f00\u9500\uff0c\u4ece\u800c\u4f7fKafka\u80fd\u591f\u66f4\u6709\u6548\u5730\u5904\u7406\u5927\u89c4\u6a21\u7684\u6570\u636e\u6d41\u548c\u5b9e\u73b0\u9ad8\u6027\u80fd\u7684\u6d88\u606f\u4f20\u9012\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u96f6\u62f7\u8d1d\uff08Zero Copy\uff09\u662f\u4e00\u79cd\u901a\u8fc7\u907f\u514d\u5c06\u6570\u636e\u4ece\u4e00\u4e2a\u7f13\u51b2\u533a\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u7f13\u51b2\u533a\u6765\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u6548\u7387\u7684\u6280\u672f\u3002\u5728Ka […]<\/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-14635","post","type-post","status-publish","format-standard","hentry","category-kafka"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14635","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=14635"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14635\/revisions"}],"predecessor-version":[{"id":48010,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14635\/revisions\/48010"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14635"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}