{"id":98540,"date":"2024-10-21T03:28:17","date_gmt":"2024-10-20T19:28:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98540\/"},"modified":"2024-10-21T03:28:18","modified_gmt":"2024-10-20T19:28:18","slug":"redis-%e7%9a%84-io-%e7%b7%9a%e7%a8%8b%e5%84%aa%e5%8c%96%e7%b3%bb%e7%b5%b1%e6%80%a7%e8%83%bd%e7%9a%84%e9%97%9c%e9%8d%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98540\/","title":{"rendered":"Redis \u7684 IO \u7dda\u7a0b\u512a\u5316\u7cfb\u7d71\u6027\u80fd\u7684\u95dc\u9375"},"content":{"rendered":"

Redis \u7684 IO \u7dda\u7a0b\u512a\u5316\u7cfb\u7d71\u6027\u80fd\u7684\u95dc\u9375<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u5982\u4f55\u512a\u5316 Redis \u7684\u6027\u80fd\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u7cfb\u7d71\u67b6\u69cb\u5e2b\u7684\u91cd\u8981\u8ab2\u984c\u3002\u5176\u4e2d\uff0cIO \u7dda\u7a0b\u7684\u512a\u5316\u662f\u63d0\u5347 Redis \u6574\u9ad4\u6027\u80fd\u7684\u95dc\u9375\u4e4b\u4e00\u3002<\/p>\n

Redis \u7684\u57fa\u672c\u67b6\u69cb<\/h2>\n

Redis \u662f\u4e00\u500b\u55ae\u7dda\u7a0b\u7684\u7cfb\u7d71\uff0c\u9019\u610f\u5473\u8457\u5b83\u5728\u8655\u7406\u8acb\u6c42\u6642\uff0c\u6240\u6709\u7684\u64cd\u4f5c\u90fd\u662f\u5728\u540c\u4e00\u500b\u7dda\u7a0b\u4e2d\u5b8c\u6210\u7684\u3002\u9019\u7a2e\u8a2d\u8a08\u4f7f\u5f97 Redis \u80fd\u5920\u907f\u514d\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\u7684\u7af6\u722d\u689d\u4ef6\u548c\u4e0a\u4e0b\u6587\u5207\u63db\u7684\u958b\u92b7\u3002\u7136\u800c\uff0c\u9019\u4e5f\u4f7f\u5f97 Redis \u5728\u8655\u7406\u5927\u91cf IO \u64cd\u4f5c\u6642\u53ef\u80fd\u6703\u6210\u70ba\u74f6\u9838\u3002<\/p>\n

IO \u7dda\u7a0b\u7684\u6982\u5ff5<\/h2>\n

\u5728 Redis 6.0 \u7248\u672c\u4e2d\uff0c\u5f15\u5165\u4e86 IO \u7dda\u7a0b\u7684\u6982\u5ff5\u3002\u9019\u4e00\u6539\u9032\u5141\u8a31 Redis \u5728\u8655\u7406\u8acb\u6c42\u6642\uff0c\u5c07 IO \u64cd\u4f5c\u5206\u914d\u7d66\u591a\u500b\u7dda\u7a0b\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u541e\u5410\u91cf\u3002\u5177\u9ad4\u4f86\u8aaa\uff0cRedis \u53ef\u4ee5\u5c07\u5ba2\u6236\u7aef\u7684\u8acb\u6c42\u5206\u914d\u7d66\u591a\u500b IO \u7dda\u7a0b\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u591a\u6838 CPU \u74b0\u5883\u4e2d\u5145\u5206\u5229\u7528\u786c\u9ad4\u8cc7\u6e90\u3002<\/p>\n

IO \u7dda\u7a0b\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n

Redis \u7684 IO \u7dda\u7a0b\u5de5\u4f5c\u539f\u7406\u76f8\u5c0d\u7c21\u55ae\u3002\u7576\u4e00\u500b\u8acb\u6c42\u5230\u9054\u6642\uff0c\u4e3b\u7dda\u7a0b\u6703\u5c07\u5176\u5206\u914d\u7d66\u4e00\u500b\u53ef\u7528\u7684 IO \u7dda\u7a0b\u9032\u884c\u8655\u7406\u3002\u9019\u6a23\uff0c\u4e3b\u7dda\u7a0b\u53ef\u4ee5\u7e7c\u7e8c\u63a5\u6536\u5176\u4ed6\u8acb\u6c42\uff0c\u800c\u4e0d\u5fc5\u7b49\u5f85 IO \u64cd\u4f5c\u5b8c\u6210\u3002\u9019\u7a2e\u975e\u963b\u585e\u7684\u8a2d\u8a08\u5927\u5927\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u97ff\u61c9\u901f\u5ea6\u548c\u8655\u7406\u80fd\u529b\u3002<\/p>\n

\u5982\u4f55\u555f\u7528 IO \u7dda\u7a0b<\/h2>\n

\u8981\u555f\u7528 Redis \u7684 IO \u7dda\u7a0b\uff0c\u60a8\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\u76f8\u61c9\u7684\u53c3\u6578\u3002\u4ee5\u4e0b\u662f\u76f8\u95dc\u7684\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n

\n# \u5728 redis.conf \u4e2d\u555f\u7528 IO \u7dda\u7a0b\nio-threads 4\nio-threads-do-reads yes\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5c07 IO \u7dda\u7a0b\u6578\u91cf\u8a2d\u7f6e\u70ba 4\uff0c\u4e26\u5141\u8a31\u9019\u4e9b\u7dda\u7a0b\u8655\u7406\u8b80\u53d6\u8acb\u6c42\u3002\u6839\u64da\u60a8\u7684\u786c\u9ad4\u914d\u7f6e\u548c\u61c9\u7528\u9700\u6c42\uff0c\u60a8\u53ef\u4ee5\u8abf\u6574\u9019\u4e9b\u53c3\u6578\u4ee5\u7372\u5f97\u6700\u4f73\u6027\u80fd\u3002<\/p>\n
\u6027\u80fd\u6e2c\u8a66\u8207\u512a\u5316<\/h2>\n
\u555f\u7528 IO \u7dda\u7a0b\u5f8c\uff0c\u5efa\u8b70\u9032\u884c\u6027\u80fd\u6e2c\u8a66\u4ee5\u8a55\u4f30\u7cfb\u7d71\u7684\u6539\u9032\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u81ea\u5e36\u7684\u57fa\u6e96\u6e2c\u8a66\u5de5\u5177\u9032\u884c\u6e2c\u8a66\uff0c\u4ee5\u4e0b\u662f\u4f7f\u7528\u547d\u4ee4\u884c\u9032\u884c\u57fa\u6e96\u6e2c\u8a66\u7684\u793a\u4f8b\uff1a<\/p>\n
\nredis-benchmark -h 127.0.0.1 -p 6379 -c 100 -n 100000\n<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u5c07\u6a21\u64ec 100 \u500b\u5ba2\u6236\u7aef\u540c\u6642\u5411 Redis \u767c\u9001 100,000 \u500b\u8acb\u6c42\u3002\u901a\u904e\u6bd4\u8f03\u555f\u7528\u548c\u672a\u555f\u7528 IO \u7dda\u7a0b\u7684\u6e2c\u8a66\u7d50\u679c\uff0c\u60a8\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u5230\u6027\u80fd\u7684\u63d0\u5347\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
Redis \u7684 IO \u7dda\u7a0b\u512a\u5316\u662f\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u7684\u91cd\u8981\u624b\u6bb5\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u548c\u6e2c\u8a66\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5145\u5206\u5229\u7528\u591a\u6838 CPU \u7684\u512a\u52e2\uff0c\u986f\u8457\u63d0\u9ad8 Redis \u7684\u541e\u5410\u91cf\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u6301\u7e8c\u95dc\u6ce8\u548c\u512a\u5316 Redis \u7684\u6027\u80fd\u5c07\u662f\u6bcf\u500b\u958b\u767c\u8005\u7684\u91cd\u8981\u4efb\u52d9\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc \u9999\u6e2f VPS<\/a> \u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22 Redis \u7684 IO \u7dda\u7a0b\u512a\u5316\u5982\u4f55\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u5be6\u73fe\u66f4\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u8207\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-98540","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98540","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=98540"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98540\/revisions"}],"predecessor-version":[{"id":98541,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98540\/revisions\/98541"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}