{"id":159105,"date":"2024-11-03T11:35:20","date_gmt":"2024-11-03T03:35:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159105\/"},"modified":"2024-11-03T11:35:21","modified_gmt":"2024-11-03T03:35:21","slug":"%e7%b4%85%e8%89%b2%e7%9a%84-redis-%e8%ba%b2%e9%96%8b%e7%aa%97%e5%8f%a3%e9%82%81%e5%87%ba%e5%8b%87%e6%95%a2%e4%b8%80%e6%ad%a5%ef%bc%88redis-%e7%aa%97%e5%8f%a3%e8%ba%b2%e9%96%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159105\/","title":{"rendered":"\u7d05\u8272\u7684 Redis \u8eb2\u958b\u7a97\u53e3\u9081\u51fa\u52c7\u6562\u4e00\u6b65\uff08Redis \u7a97\u53e3\u8eb2\u958b\uff09"},"content":{"rendered":"<h1 id=\"%e7%b4%85%e8%89%b2%e7%9a%84-redis-%e8%ba%b2%e9%96%8b%e7%aa%97%e5%8f%a3%e9%82%81%e5%87%ba%e5%8b%87%e6%95%a2%e4%b8%80%e6%ad%a5%ef%bc%88redis-%e7%aa%97%e5%8f%a3%e8%ba%b2%e9%96%8b%ef%bc%89-ENmLsdlKsa\">\u7d05\u8272\u7684 Redis \u8eb2\u958b\u7a97\u53e3\u9081\u51fa\u52c7\u6562\u4e00\u6b65\uff08Redis \u7a97\u53e3\u8eb2\u958b\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u7d44\u4ef6\u3002\u5b83\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u5728\u5404\u7a2e\u5834\u666f\u4e2d\u90fd\u80fd\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002\u7136\u800c\uff0c\u96a8\u8457\u4f7f\u7528 Redis \u7684\u61c9\u7528\u7a0b\u5e8f\u898f\u6a21\u4e0d\u65b7\u64f4\u5927\uff0c\u958b\u767c\u8005\u5011\u9762\u81e8\u8457\u4e00\u500b\u91cd\u8981\u7684\u6311\u6230\uff1a\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u512a\u5316 Redis \u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e7%aa%97%e5%8f%a3%e8%ba%b2%e9%96%8b%ef%bc%9f-ENmLsdlKsa\">\u4ec0\u9ebc\u662f Redis \u7a97\u53e3\u8eb2\u958b\uff1f<\/h2>\n<p>Redis \u7a97\u53e3\u8eb2\u958b\uff08Redis Window Avoidance\uff09\u662f\u4e00\u7a2e\u512a\u5316\u6280\u8853\uff0c\u65e8\u5728\u6e1b\u5c11\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\u5c0d Redis \u7684\u8acb\u6c42\u885d\u7a81\u3002\u7576\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u5617\u8a66\u8a2a\u554f Redis \u4e2d\u7684\u76f8\u540c\u9375\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u548c\u5ef6\u9072\u589e\u52a0\u3002\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u7a97\u53e3\u8eb2\u958b\u6280\u8853\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u6709\u6548\u5730\u7ba1\u7406\u8acb\u6c42\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e7%aa%97%e5%8f%a3%e8%ba%b2%e9%96%8b%ef%bc%9f-ENmLsdlKsa\">\u70ba\u4ec0\u9ebc\u9700\u8981\u7a97\u53e3\u8eb2\u958b\uff1f<\/h2>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u61c9\u7528\u5834\u666f\u4e2d\uff0cRedis \u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u7576\u591a\u500b\u8acb\u6c42\u540c\u6642\u5230\u9054\u6642\uff0cRedis \u9700\u8981\u8655\u7406\u9019\u4e9b\u8acb\u6c42\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u8acb\u6c42\u885d\u7a81\uff1a<\/strong>\u591a\u500b\u8acb\u6c42\u540c\u6642\u4fee\u6539\u76f8\u540c\u7684\u9375\uff0c\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/li>\n<li><strong>\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u9ad8\u4e26\u767c\u8acb\u6c42\u53ef\u80fd\u5c0e\u81f4 Redis \u7684\u97ff\u61c9\u6642\u9593\u589e\u52a0\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u6d6a\u8cbb\uff1a<\/strong>\u4e0d\u5fc5\u8981\u7684\u91cd\u8a66\u548c\u7b49\u5f85\u53ef\u80fd\u6d6a\u8cbb\u7cfb\u7d71\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e7%aa%97%e5%8f%a3%e8%ba%b2%e9%96%8b%ef%bc%9f-ENmLsdlKsa\">\u5982\u4f55\u5be6\u73fe\u7a97\u53e3\u8eb2\u958b\uff1f<\/h2>\n<p>\u5be6\u73fe Redis \u7a97\u53e3\u8eb2\u958b\u7684\u7b56\u7565\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%8e%96%e6%a9%9f%e5%88%b6-ENmLsdlKsa\">1. \u4f7f\u7528\u9396\u6a5f\u5236<\/h3>\n<p>\u5728\u5c0d Redis \u9032\u884c\u5beb\u64cd\u4f5c\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u9396\u4f86\u78ba\u4fdd\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u8acb\u6c42\u80fd\u5920\u4fee\u6539\u6578\u64da\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u907f\u514d\u8acb\u6c42\u885d\u7a81\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u9396\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>SETNX lock_key 1\nEXPIRE lock_key 5\n# \u57f7\u884c\u5beb\u64cd\u4f5c\nDEL lock_key<\/code><\/pre>\n<h3 id=\"2-%e8%ab%8b%e6%b1%82%e6%8e%92%e9%9a%8a-ENmLsdlKsa\">2. \u8acb\u6c42\u6392\u968a<\/h3>\n<p>\u5c0d\u65bc\u9ad8\u983b\u7387\u7684\u8acb\u6c42\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u8acb\u6c42\u6392\u968a\u8655\u7406\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u540c\u6642\u8a2a\u554f\u76f8\u540c\u9375\u7684\u8acb\u6c42\u6578\u91cf\uff0c\u5f9e\u800c\u964d\u4f4e\u885d\u7a81\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac-ENmLsdlKsa\">3. \u4f7f\u7528 Lua \u8173\u672c<\/h3>\n<p>Redis \u652f\u6301 Lua \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\u6e1b\u5c11\u8acb\u6c42\u4e4b\u9593\u7684\u7af6\u722d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>eval \"redis.call('INCR', KEYS[1])\" 1 mykey<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-ENmLsdlKsa\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\uff0cRedis \u7a97\u53e3\u8eb2\u958b\u6280\u8853\u662f\u4e00\u7a2e\u6709\u6548\u7684\u512a\u5316\u624b\u6bb5\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u901a\u904e\u4f7f\u7528\u9396\u6a5f\u5236\u3001\u8acb\u6c42\u6392\u968a\u548c Lua \u8173\u672c\u7b49\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u5c0d Redis \u7684\u8acb\u6c42\uff0c\u5f9e\u800c\u6e1b\u5c11\u885d\u7a81\u548c\u5ef6\u9072\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/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\u7121\u8ad6\u662f\u9700\u8981\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7d05\u8272\u7684 Redis \u5982\u4f55\u52c7\u6562\u9081\u51fa\u4e00\u6b65\uff0c\u8eb2\u958b\u7a97\u53e3\u7684\u6311\u6230\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u8207\u6027\u80fd\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-159105","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159105","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=159105"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159105\/revisions"}],"predecessor-version":[{"id":159106,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159105\/revisions\/159106"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}