{"id":163435,"date":"2024-11-04T23:29:21","date_gmt":"2024-11-04T15:29:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163435\/"},"modified":"2024-11-04T23:29:22","modified_gmt":"2024-11-04T15:29:22","slug":"%e8%a7%a3%e6%b1%baredis%e9%ab%98%e4%b8%a6%e7%99%bc%e6%9b%b4%e6%96%b0%e5%80%bc%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88redis%e9%ab%98%e4%b8%a6%e7%99%bc%e6%9b%b4%e6%96%b0%e5%80%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163435\/","title":{"rendered":"\u89e3\u6c7aRedis\u9ad8\u4e26\u767c\u66f4\u65b0\u503c\u7684\u65b9\u6cd5\uff08Redis\u9ad8\u4e26\u767c\u66f4\u65b0\u503c\uff09"},"content":{"rendered":"

\u89e3\u6c7aRedis\u9ad8\u4e26\u767c\u66f4\u65b0\u503c\u7684\u65b9\u6cd5<\/h1>\n

\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u5834\u666f\u3002\u7136\u800c\uff0c\u7576\u9762\u5c0d\u9ad8\u4e26\u767c\u7684\u66f4\u65b0\u8acb\u6c42\u6642\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u66f4\u65b0Redis\u4e2d\u7684\u6578\u64da\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u89e3\u6c7aRedis\u9ad8\u4e26\u767c\u66f4\u65b0\u503c\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u61c9\u5c0d\u9019\u4e00\u554f\u984c\u3002<\/p>\n

1. \u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c<\/h2>\n

Redis\u63d0\u4f9b\u4e86\u4e00\u4e9b\u539f\u5b50\u64cd\u4f5c\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528INCR<\/code>\u548cDECR<\/code>\u547d\u4ee4\u53ef\u4ee5\u5b89\u5168\u5730\u5c0d\u6574\u6578\u9032\u884c\u589e\u6e1b\u64cd\u4f5c\u3002\u9019\u4e9b\u64cd\u4f5c\u662f\u539f\u5b50\u7684\uff0c\u610f\u5473\u8457\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u4e0d\u6703\u88ab\u5176\u4ed6\u64cd\u4f5c\u6253\u65b7\u3002<\/p>\n

INCR key\nDECR key\n<\/code><\/pre>\n
\u9019\u6a23\u7684\u539f\u5b50\u64cd\u4f5c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u56e0\u70ba\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u66f4\u65b0\u540c\u4e00\u500b\u9375\u800c\u5c0e\u81f4\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u554f\u984c\u3002<\/p>\n
2. \u4f7f\u7528Lua\u8173\u672c<\/h2>\n
Redis\u652f\u6301Lua\u8173\u672c\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u5c01\u88dd\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\u57f7\u884c\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\uff0c\u4e26\u78ba\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002<\/p>\n
eval \"return redis.call('incr', KEYS[1])\" 1 mykey\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0ceval<\/code>\u547d\u4ee4\u57f7\u884c\u4e86\u4e00\u500bLua\u8173\u672c\uff0c\u8a72\u8173\u672c\u5c0d\u6307\u5b9a\u7684\u9375\u9032\u884c\u4e86\u589e\u503c\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u7684\u66f4\u65b0\u4e0d\u6703\u51fa\u73fe\u7af6\u722d\u689d\u4ef6\u3002<\/p>\n
3. \u4f7f\u7528\u5206\u5e03\u5f0f\u9396<\/h2>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5c0d\u67d0\u4e9b\u64cd\u4f5c\u9032\u884c\u9396\u5b9a\uff0c\u4ee5\u9632\u6b62\u540c\u6642\u66f4\u65b0\u5c0e\u81f4\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u3002Redis\u53ef\u4ee5\u901a\u904eSETNX\u547d\u4ee4\u4f86\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u3002<\/p>\n
SET lock_key unique_value NX PX 30000\n<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u6703\u5728lock_key<\/code>\u4e0d\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u8a2d\u7f6e\u4e00\u500b\u9396\uff0c\u4e26\u4e14\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u9396\u5b9a\u671f\u9593\uff0c\u5176\u4ed6\u8acb\u6c42\u7121\u6cd5\u9032\u884c\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n
4. \u4f7f\u7528\u6d88\u606f\u968a\u5217<\/h2>\n
\u53e6\u4e00\u7a2e\u89e3\u6c7a\u9ad8\u4e26\u767c\u66f4\u65b0\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u6d88\u606f\u968a\u5217\u3002\u5c07\u66f4\u65b0\u8acb\u6c42\u653e\u5165\u968a\u5217\u4e2d\uff0c\u7136\u5f8c\u7531\u6d88\u8cbb\u8005\u9010\u4e00\u8655\u7406\u9019\u4e9b\u8acb\u6c42\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u4e26\u767c\u91cf\uff0c\u907f\u514d\u540c\u6642\u5c0dRedis\u9032\u884c\u5927\u91cf\u7684\u5beb\u5165\u64cd\u4f5c\u3002<\/p>\n
\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528RabbitMQ\u6216Kafka\u7b49\u6d88\u606f\u968a\u5217\u7cfb\u7d71\uff0c\u5c07\u66f4\u65b0\u8acb\u6c42\u767c\u9001\u5230\u968a\u5217\u4e2d\uff0c\u7136\u5f8c\u7531\u5de5\u4f5c\u9032\u7a0b\u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u8acb\u6c42\u4e26\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n
5. \u4f7f\u7528Redis Cluster<\/h2>\n
\u5982\u679c\u61c9\u7528\u7684\u8b80\u5beb\u8ca0\u8f09\u975e\u5e38\u9ad8\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528Redis Cluster\u3002Redis Cluster\u53ef\u4ee5\u5c07\u6578\u64da\u5206\u7247\u5b58\u5132\u5728\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u9019\u6a23\u7684\u67b6\u69cb\u53ef\u4ee5\u6709\u6548\u5730\u5206\u6563\u8acb\u6c42\uff0c\u6e1b\u5c11\u55ae\u500b\u7bc0\u9ede\u7684\u58d3\u529b\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\uff0cRedis\u7684\u6578\u64da\u66f4\u65b0\u6311\u6230\u4e0d\u5bb9\u5ffd\u8996\u3002\u901a\u904e\u4f7f\u7528\u539f\u5b50\u64cd\u4f5c\u3001Lua\u8173\u672c\u3001\u5206\u5e03\u5f0f\u9396\u3001\u6d88\u606f\u968a\u5217\u4ee5\u53caRedis Cluster\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u9019\u4e9b\u6280\u8853\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u9084\u80fd\u63d0\u5347\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6216\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684Redis\u5be6\u4f8b\uff0c\u78ba\u4fdd\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u6709\u6548\u89e3\u6c7aRedis\u9ad8\u4e26\u767c\u66f4\u65b0\u503c\u7684\u65b9\u6cd5\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6578\u64da\u4e00\u81f4\u6027\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\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-163435","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163435","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=163435"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163435\/revisions"}],"predecessor-version":[{"id":163436,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163435\/revisions\/163436"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}