{"id":202332,"date":"2025-05-10T12:48:25","date_gmt":"2025-05-10T04:48:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202332\/"},"modified":"2025-05-10T12:48:25","modified_gmt":"2025-05-10T04:48:25","slug":"redis%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8pipeline","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202332\/","title":{"rendered":"Redis\u5982\u4f55\u4f7f\u7528pipeline"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u5982\u4f55\u4f7f\u7528pipeline<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u300aRedis\u5982\u4f55\u4f7f\u7528pipeline\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6570\u636e\u5e93<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a\u6570\u636e\u5e93<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n

\u4f7f\u7528 pipeline<\/h3>\n

Redis \u662f\u57fa\u4e8e\u8bf7\u6c42-\u54cd\u5e94\u6a21\u578b\u7684 TCP \u670d\u52a1\u5668\u3002\u610f\u5473\u7740\u5355\u6b21\u8bf7\u6c42 RTT\uff08\u5f80\u8fd4\u65f6\u95f4\uff09\uff0c\u53d6\u51b3\u4e8e\u5f53\u524d\u7f51\u7edc\u72b6\u51b5<\/strong> \u3002\u8fd9\u4f1a\u5bfc\u81f4\u5355\u4e2a Redis \u8bf7\u6c42\u53ef\u80fd\u975e\u5e38\u5feb\uff0c\u6bd4\u5982\u901a\u8fc7\u672c\u5730\u73af\u8def\u7f51\u5361\u3002\u53ef\u80fd\u975e\u5e38\u6162\uff0c\u6bd4\u5982\u5904\u4e8e\u7f51\u7edc\u72b6\u51b5\u4e0d\u4f73\u7684\u73af\u5883\u3002<\/p>\n

\u53e6\u4e00\u65b9\u9762\uff0cRedis \u6bcf\u6b21\u8bf7\u6c42-\u54cd\u5e94\uff0c\u90fd\u6d89\u53ca\u5230 read \u548c write \u7cfb\u7edf\u8c03\u7528\u3002\u751a\u81f3\u4f1a\u89e6\u53d1\u591a\u6b21 epoll_wait \u7cfb\u7edf\u8c03\u7528\uff08Linux \u5e73\u53f0\uff09\u3002\u8fd9\u5bfc\u81f4 Redis \u4e0d\u65ad\u5728\u7528\u6237\u6001\u548c\u5185\u6838\u6001\u8fdb\u884c\u5207\u6362\u3002<\/p>\n

static int connSocketRead(connection *conn, void *buf, size_t buf_len) {\n    \/\/ read \u7cfb\u7edf\u8c03\u7528\n    int ret = read(conn->fd, buf, buf_len);}static int connSocketWrite(connection *conn, const void *data, size_t data_len) {\n    \/\/ write \u7cfb\u7edf\u8c03\u7528\n    int ret = write(conn->fd, data, data_len);}int aeProcessEvents(aeEventLoop *eventLoop, int flags) {\n    \/\/ \u4e8b\u4ef6\u89e6\u53d1\uff0cLinux \u4e0b\u4e3a epoll_wait \u7cfb\u7edf\u8c03\u7528\n    numevents = aeApiPoll(eventLoop, tvp);}<\/pre>\n
\u90a3\u4e48\uff0c\u5982\u4f55\u8282\u7701\u5f80\u8fd4\u65f6\u95f4\u548c\u7cfb\u7edf\u8c03\u7528\u6b21\u6570\u5462\uff1f\u6279\u5904\u7406\u662f\u4e00\u4e2a\u597d\u7684\u529e\u6cd5\u3002<\/p>\n
\u4e3a\u6b64\uff0cRedis \u63d0\u4f9b\u4e86 \u300cpipeline\u300d<\/strong>\u3002pipeline \u7684\u539f\u7406\u5f88\u7b80\u5355\uff0c\u5c06\u591a\u4e2a\u547d\u4ee4\u6253\u5305\u6210\u300c\u4e00\u4e2a\u547d\u4ee4\u300d\u53d1\u9001\u3002Redis \u6536\u5230\u540e\uff0c\u89e3\u6790\u6210\u591a\u4e2a\u547d\u4ee4\u6267\u884c\u3002\u6700\u7ec8\u5c06\u591a\u4e2a\u7ed3\u679c\u6253\u5305\u8fd4\u56de\u3002<\/p>\n
\u300cpipeline \u53ef\u4ee5\u6709\u6548\u7684\u63d0\u5347 Redis \u6027\u80fd\u300d<\/strong>\u3002<\/p>\n
\u4f46\u662f\uff0c\u4f7f\u7528 pipeline \u6709\u51e0\u70b9\u9700\u8981\u4f60\u7559\u610f<\/p>\n
    \n
  1. \n
    \u300cpipeline \u4e0d\u80fd\u4fdd\u8bc1\u539f\u5b50\u6027\u300d<\/strong>\u3002\u5728\u4e00\u6b21 pipeline \u547d\u4ee4\u6267\u884c\u671f\u95f4\uff0c\u53ef\u80fd\u4f1a\u6267\u884c\u5176\u5b83 client \u53d1\u8d77\u7684\u547d\u4ee4\u3002\u8bf7\u8bb0\u4f4f\uff0cpipeline \u53ea\u662f\u6279\u91cf\u5904\u7406\u547d\u4ee4\u3002\u60f3\u8981\u4fdd\u8bc1\u539f\u5b50\u6027\uff0c\u4f7f\u7528 MULTI \u6216\u8005 Lua \u811a\u672c\u3002<\/p>\n<\/li>\n
  2. \n
    \u300c\u5355\u6b21 pipeline \u547d\u4ee4\u4e0d\u5b9c\u8fc7\u591a\u300d<\/strong>\u3002\u5f53\u4f7f\u7528 pipeline \u65f6\uff0cRedis \u4f1a\u5c06 pipeline \u547d\u4ee4\u7684\u54cd\u5e94\u7ed3\u679c\uff0c\u6682\u5b58\u5728\u5185\u5b58 Reply buffer \u4e2d\uff0c\u7b49\u5f85\u6240\u6709\u547d\u4ee4\u6267\u884c\u5b8c\u6bd5\u540e\u8fd4\u56de\u3002\u5982\u679c pipeline \u547d\u4ee4\u8fc7\u591a\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5360\u7528\u8f83\u591a\u5185\u5b58\u3002\u53ef\u4ee5\u5c06\u5355\u4e2a pipeline \u62c6\u5206\u6210\u591a\u4e2a pipeline\u3002<\/p>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
    Redis\u5982\u4f55\u4f7f\u7528pipelin...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-202332","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202332"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202332\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}