{"id":193697,"date":"2024-11-13T00:21:19","date_gmt":"2024-11-12T16:21:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193697\/"},"modified":"2024-11-13T00:21:20","modified_gmt":"2024-11-12T16:21:20","slug":"%e7%a0%94%e7%a9%b6redis%e7%9a%84%e7%b7%9a%e7%a8%8b%e5%ae%89%e5%85%a8%e6%80%a7%ef%bc%88redis%e7%b7%9a%e7%a8%8b%e5%ae%89%e5%85%a8%e6%80%a7%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193697\/","title":{"rendered":"\u7814\u7a76Redis\u7684\u7dda\u7a0b\u5b89\u5168\u6027\uff08redis\u7dda\u7a0b\u5b89\u5168\u6027\uff09"},"content":{"rendered":"<h1 id=\"%e7%a0%94%e7%a9%b6redis%e7%9a%84%e7%b7%9a%e7%a8%8b%e5%ae%89%e5%85%a8%e6%80%a7%ef%bc%88redis%e7%b7%9a%e7%a8%8b%e5%ae%89%e5%85%a8%e6%80%a7%ef%bc%89-WkNPwKRskD\">\u7814\u7a76Redis\u7684\u7dda\u7a0b\u5b89\u5168\u6027\uff08redis\u7dda\u7a0b\u5b89\u5168\u6027\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0cRedis\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u6210\u70ba\u4e86\u9996\u9078\u3002\u7136\u800c\uff0c\u7576\u6d89\u53ca\u5230\u591a\u7dda\u7a0b\u74b0\u5883\u6642\uff0cRedis\u7684\u7dda\u7a0b\u5b89\u5168\u6027\u554f\u984c\u4fbf\u6210\u70ba\u4e86\u958b\u767c\u8005\u9700\u8981\u95dc\u6ce8\u7684\u91cd\u8981\u8b70\u984c\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%9e%b6%e6%a7%8b-WkNPwKRskD\">Redis\u7684\u57fa\u672c\u67b6\u69cb<\/h2>\n<p>Redis\u662f\u4e00\u500b\u55ae\u7dda\u7a0b\u7684\u6578\u64da\u5eab\uff0c\u9019\u610f\u5473\u8457\u5b83\u5728\u4efb\u4f55\u6642\u523b\u53ea\u6703\u8655\u7406\u4e00\u500b\u8acb\u6c42\u3002\u9019\u7a2e\u8a2d\u8a08\u4f7f\u5f97Redis\u5728\u8655\u7406\u8acb\u6c42\u6642\u4e0d\u9700\u8981\u8003\u616e\u7dda\u7a0b\u4e4b\u9593\u7684\u7af6\u722d\u689d\u4ef6\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u8a31\u591a\u7dda\u7a0b\u5b89\u5168\u6027\u554f\u984c\u3002Redis\u4f7f\u7528\u4e8b\u4ef6\u9a45\u52d5\u7684I\/O\u6a21\u578b\uff0c\u901a\u904e\u975e\u963b\u585e\u7684\u65b9\u5f0f\u4f86\u8655\u7406\u8acb\u6c42\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u5728\u55ae\u500b\u7dda\u7a0b\u4e2d\u9ad8\u6548\u5730\u8655\u7406\u5927\u91cf\u7684\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e7%b7%9a%e7%a8%8b%e5%ae%89%e5%85%a8%e6%80%a7%e5%95%8f%e9%a1%8c-WkNPwKRskD\">\u7dda\u7a0b\u5b89\u5168\u6027\u554f\u984c<\/h2>\n<p>\u5118\u7ba1Redis\u672c\u8eab\u662f\u55ae\u7dda\u7a0b\u7684\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u5728\u61c9\u7528\u5c64\u9762\u4e0a\u4f7f\u7528\u591a\u7dda\u7a0b\u4f86\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u7576\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u540c\u6642\u8655\u7406\u591a\u500b\u8acb\u6c42\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9078\u64c7\u4f7f\u7528\u591a\u500b\u7dda\u7a0b\u4f86\u767c\u9001\u8acb\u6c42\u5230Redis\u3002\u9019\u6a23\u7684\u505a\u6cd5\u53ef\u80fd\u6703\u5f15\u767c\u7dda\u7a0b\u5b89\u5168\u6027\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u5c0d\u540c\u4e00\u6578\u64da\u9032\u884c\u8b80\u5beb\u64cd\u4f5c\u6642\u3002<\/p>\n<h3 id=\"%e7%b7%9a%e7%a8%8b%e5%ae%89%e5%85%a8%e7%9a%84%e6%8c%91%e6%88%b0-WkNPwKRskD\">\u7dda\u7a0b\u5b89\u5168\u7684\u6311\u6230<\/h3>\n<ul>\n<li><strong>\u7af6\u722d\u689d\u4ef6\uff1a<\/strong>\u7576\u591a\u500b\u7dda\u7a0b\u540c\u6642\u5c0d\u540c\u4e00\u9375\u9032\u884c\u8b80\u5beb\u64cd\u4f5c\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u6b7b\u9396\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u7dda\u7a0b\u4e4b\u9593\u7684\u76f8\u4e92\u7b49\u5f85\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\uff0c\u5f9e\u800c\u4f7f\u7cfb\u7d71\u7121\u6cd5\u7e7c\u7e8c\u904b\u884c\u3002<\/li>\n<li><strong>\u6027\u80fd\u74f6\u9838\uff1a<\/strong>\u5982\u679c\u4e0d\u7576\u4f7f\u7528\u9396\u6a5f\u5236\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u70ba\u7dda\u7a0b\u9700\u8981\u7b49\u5f85\u9396\u7684\u91cb\u653e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%99%95%e7%90%86%e7%b7%9a%e7%a8%8b%e5%ae%89%e5%85%a8%e6%80%a7%e5%95%8f%e9%a1%8c-WkNPwKRskD\">\u5982\u4f55\u8655\u7406\u7dda\u7a0b\u5b89\u5168\u6027\u554f\u984c<\/h2>\n<p>\u70ba\u4e86\u5728\u4f7f\u7528Redis\u6642\u78ba\u4fdd\u7dda\u7a0b\u5b89\u5168\u6027\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%8e%96-WkNPwKRskD\">1. \u4f7f\u7528\u9396<\/h3>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u9396\u4f86\u4fdd\u8b77\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u7dda\u7a0b\u80fd\u5920\u8a2a\u554f\u7279\u5b9a\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684SETNX\u547d\u4ee4\u4f86\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\uff1a<\/p>\n<pre><code>SETNX lock_key unique_lock_value\nEXPIRE lock_key 10\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u6703\u5617\u8a66\u8a2d\u7f6e\u4e00\u500b\u9396\uff0c\u5982\u679c\u6210\u529f\u5247\u8fd4\u56de1\uff0c\u5426\u5247\u8fd4\u56de0\u3002\u8a2d\u7f6e\u9396\u5f8c\uff0c\u9084\u9700\u8981\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8b%99-WkNPwKRskD\">2. \u4f7f\u7528\u4e8b\u52d9<\/h3>\n<p>Redis\u652f\u6301\u4e8b\u52d9\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u904eMULTI\u548cEXEC\u547d\u4ee4\u4f86\u5be6\u73fe\u539f\u5b50\u6027\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4e00\u7d44\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\uff1a<\/p>\n<pre><code>MULTI\nSET key1 value1\nSET key2 value2\nEXEC\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8lua%e8%85%b3%e6%9c%ac-WkNPwKRskD\">3. \u4f7f\u7528Lua\u8173\u672c<\/h3>\n<p>Redis\u652f\u6301Lua\u8173\u672c\uff0c\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u5c01\u88dd\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\u57f7\u884c\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u51fa\u73fe\u7684\u7af6\u722d\u689d\u4ef6\uff1a<\/p>\n<pre><code>eval \"redis.call('set', KEYS[1], ARGV[1])\" 1 key1 value1\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-WkNPwKRskD\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u55ae\u7dda\u7a0b\u7684\u6578\u64da\u5eab\uff0c\u5728\u8a2d\u8a08\u4e0a\u907f\u514d\u4e86\u8a31\u591a\u7dda\u7a0b\u5b89\u5168\u6027\u554f\u984c\u3002\u7136\u800c\uff0c\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u4f7f\u7528Redis\u6642\uff0c\u958b\u767c\u8005\u4ecd\u9700\u8b39\u614e\u8655\u7406\u7dda\u7a0b\u5b89\u5168\u6027\u554f\u984c\u3002\u901a\u904e\u4f7f\u7528\u9396\u3001\u4e8b\u52d9\u548cLua\u8173\u672c\u7b49\u6280\u8853\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u90e8\u7f72\u548c\u7ba1\u7406\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7684\u7dda\u7a0b\u5b89\u5168\u6027\uff0c\u4e86\u89e3\u5176\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u8868\u73fe\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u6027\u80fd\u512a\u5316\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-193697","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193697","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=193697"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193697\/revisions"}],"predecessor-version":[{"id":193698,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193697\/revisions\/193698"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}