{"id":129345,"date":"2024-10-26T20:55:19","date_gmt":"2024-10-26T12:55:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129345\/"},"modified":"2024-10-26T20:55:20","modified_gmt":"2024-10-26T12:55:20","slug":"redis%e9%8e%96%e6%a9%9f%e5%88%b6%e8%a7%a3%e6%9e%90%e9%9d%a2%e8%a9%a6%e5%b1%95%e7%a4%ba%e4%bd%a0%e7%9a%84%e7%9f%a5%e8%ad%98%ef%bc%88redis%e9%8e%96%e6%a9%9f%e5%88%b6%e9%9d%a2%e8%a9%a6%e9%a1%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129345\/","title":{"rendered":"Redis\u9396\u6a5f\u5236\u89e3\u6790\u9762\u8a66\u5c55\u793a\u4f60\u7684\u77e5\u8b58\uff08redis\u9396\u6a5f\u5236\u9762\u8a66\u984c\uff09"},"content":{"rendered":"<h1 id=\"redis%e9%8e%96%e6%a9%9f%e5%88%b6%e8%a7%a3%e6%9e%90%e9%9d%a2%e8%a9%a6%e5%b1%95%e7%a4%ba%e4%bd%a0%e7%9a%84%e7%9f%a5%e8%ad%98%ef%bc%88redis%e9%8e%96%e6%a9%9f%e5%88%b6%e9%9d%a2%e8%a9%a6%e9%a1%8c%ef%bc%89-zlUzbsTqws\">Redis\u9396\u6a5f\u5236\u89e3\u6790\u9762\u8a66\u5c55\u793a\u4f60\u7684\u77e5\u8b58\uff08redis\u9396\u6a5f\u5236\u9762\u8a66\u984c\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u548c\u4e26\u767c\u63a7\u5236\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u6a5f\u5236\u4f86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u9396\u6a5f\u5236\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u9762\u8a66\u4e2d\u53ef\u80fd\u6703\u9047\u5230\u7684\u76f8\u95dc\u554f\u984c\u53ca\u5176\u89e3\u7b54\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-zlUzbsTqws\">Redis\u9396\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5728Redis\u4e2d\uff0c\u9396\u7684\u4e3b\u8981\u76ee\u7684\u662f\u9632\u6b62\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u4fee\u6539\u540c\u4e00\u6578\u64da\uff0c\u5f9e\u800c\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u898b\u7684\u662f\u57fa\u65bcSETNX\u547d\u4ee4\u7684\u9396\u3002<\/p>\n<h3 id=\"setnx%e5%91%bd%e4%bb%a4-zlUzbsTqws\">SETNX\u547d\u4ee4<\/h3>\n<p>SETNX\uff08Set if Not eXists\uff09\u547d\u4ee4\u7528\u65bc\u8a2d\u7f6e\u4e00\u500b\u9375\u7684\u503c\uff0c\u53ea\u6709\u7576\u8a72\u9375\u4e0d\u5b58\u5728\u6642\u624d\u6703\u6210\u529f\u3002\u9019\u4f7f\u5f97SETNX\u6210\u70ba\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u7684\u7406\u60f3\u9078\u64c7\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528SETNX\u5be6\u73fe\u9396\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>SETNX lock_key unique_lock_value\nEXPIRE lock_key 30\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c<code>lock_key<\/code>\u662f\u9396\u7684\u540d\u7a31\uff0c\u800c<code>unique_lock_value<\/code>\u662f\u7528\u65bc\u8b58\u5225\u9396\u7684\u552f\u4e00\u503c\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u8a72\u552f\u4e00\u503c\u7684\u5ba2\u6236\u7aef\u624d\u80fd\u91cb\u653e\u9396\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-zlUzbsTqws\">Redis\u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-zlUzbsTqws\">\u512a\u9ede<\/h3>\n<ul>\n<li>\u9ad8\u6548\uff1aRedis\u7684\u9396\u64cd\u4f5c\u662f\u539f\u5b50\u6027\u7684\uff0c\u80fd\u5920\u5feb\u901f\u7372\u53d6\u548c\u91cb\u653e\u9396\u3002<\/li>\n<li>\u7c21\u55ae\u6613\u7528\uff1a\u4f7f\u7528SETNX\u547d\u4ee4\u5be6\u73fe\u9396\u7684\u908f\u8f2f\u7c21\u55ae\u660e\u77ad\u3002<\/li>\n<li>\u652f\u6301\u5206\u4f48\u5f0f\uff1aRedis\u4f5c\u70ba\u4e00\u500b\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u80fd\u5920\u652f\u6301\u591a\u500b\u5ba2\u6236\u7aef\u7684\u9396\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-zlUzbsTqws\">\u7f3a\u9ede<\/h3>\n<ul>\n<li>\u6b7b\u9396\u98a8\u96aa\uff1a\u5982\u679c\u6301\u6709\u9396\u7684\u5ba2\u6236\u7aef\u5728\u91cb\u653e\u9396\u4e4b\u524d\u5d29\u6f70\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u3002<\/li>\n<li>\u9396\u7684\u904e\u671f\uff1a\u5982\u679c\u9396\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u9396\u63d0\u524d\u91cb\u653e\uff0c\u5f9e\u800c\u5f71\u97ff\u6578\u64da\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%9d%a2%e8%a9%a6%e5%95%8f%e9%a1%8c%e7%a4%ba%e4%be%8b-zlUzbsTqws\">\u9762\u8a66\u554f\u984c\u793a\u4f8b<\/h2>\n<p>\u5728\u9762\u8a66\u4e2d\uff0c\u8003\u5b98\u53ef\u80fd\u6703\u554f\u5230\u4ee5\u4e0b\u554f\u984c\u4f86\u6e2c\u8a66\u4f60\u5c0dRedis\u9396\u6a5f\u5236\u7684\u7406\u89e3\uff1a<\/p>\n<h3 id=\"%e5%95%8f%e9%a1%8c1%ef%bc%9aredis%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%9f-zlUzbsTqws\">\u554f\u984c1\uff1aRedis\u9396\u7684\u5be6\u73fe\u539f\u7406\u662f\u4ec0\u9ebc\uff1f<\/h3>\n<p>\u7b54\uff1aRedis\u9396\u7684\u5be6\u73fe\u4e3b\u8981\u4f9d\u8cf4\u65bcSETNX\u547d\u4ee4\u3002\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u60f3\u8981\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5617\u8a66\u4f7f\u7528SETNX\u8a2d\u7f6e\u4e00\u500b\u9375\u3002\u5982\u679c\u8a72\u9375\u5df2\u5b58\u5728\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u6301\u6709\uff0c\u8a72\u5ba2\u6236\u7aef\u9700\u8981\u7b49\u5f85\u6216\u91cd\u8a66\u3002<\/p>\n<h3 id=\"%e5%95%8f%e9%a1%8c2%ef%bc%9a%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8dredis%e9%8e%96%e7%9a%84%e6%ad%bb%e9%8e%96%e5%95%8f%e9%a1%8c%ef%bc%9f-zlUzbsTqws\">\u554f\u984c2\uff1a\u5982\u4f55\u907f\u514dRedis\u9396\u7684\u6b7b\u9396\u554f\u984c\uff1f<\/h3>\n<p>\u7b54\uff1a\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u4f86\u907f\u514d\u6b7b\u9396\u554f\u984c\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u6301\u6709\u9396\u7684\u5ba2\u6236\u7aef\u5d29\u6f70\uff0c\u9396\u4e5f\u6703\u5728\u904e\u671f\u5f8c\u81ea\u52d5\u91cb\u653e\u3002\u6b64\u5916\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u5fc3\u8df3\u6a5f\u5236\u5b9a\u671f\u5ef6\u9577\u9396\u7684\u904e\u671f\u6642\u9593\u3002<\/p>\n<h3 id=\"%e5%95%8f%e9%a1%8c3%ef%bc%9aredis%e9%8e%96%e7%9a%84%e6%80%a7%e8%83%bd%e5%a6%82%e4%bd%95%ef%bc%9f-zlUzbsTqws\">\u554f\u984c3\uff1aRedis\u9396\u7684\u6027\u80fd\u5982\u4f55\uff1f<\/h3>\n<p>\u7b54\uff1aRedis\u9396\u7684\u6027\u80fd\u975e\u5e38\u9ad8\uff0c\u56e0\u70ba\u5b83\u662f\u57fa\u65bc\u5167\u5b58\u7684\u64cd\u4f5c\uff0c\u4e26\u4e14\u4f7f\u7528\u4e86\u539f\u5b50\u6027\u547d\u4ee4\u3002\u9019\u4f7f\u5f97\u7372\u53d6\u548c\u91cb\u653e\u9396\u7684\u5ef6\u9072\u975e\u5e38\u4f4e\uff0c\u9069\u5408\u9ad8\u4e26\u767c\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zlUzbsTqws\">\u7e3d\u7d50<\/h2>\n<p>Redis\u9396\u6a5f\u5236\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u6709\u6548\u5730\u89e3\u6c7a\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\u3002\u5728\u9762\u8a66\u4e2d\uff0c\u5c55\u793a\u4f60\u5c0dRedis\u9396\u7684\u7406\u89e3\u548c\u5be6\u73fe\u65b9\u5f0f\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u4f60\u7684\u7af6\u722d\u529b\u3002\u5982\u679c\u4f60\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\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u89e3\u6790Redis\u9396\u6a5f\u5236\uff0c\u5e6b\u52a9\u4f60\u5728\u9762\u8a66\u4e2d\u5c55\u793a\u5c08\u696d\u77e5\u8b58\uff0c\u638c\u63e1\u5e38\u898b\u9762\u8a66\u984c\u8207\u89e3\u7b54\u6280\u5de7\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-129345","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129345","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=129345"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129345\/revisions"}],"predecessor-version":[{"id":129346,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129345\/revisions\/129346"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}