{"id":129337,"date":"2024-10-26T20:52:17","date_gmt":"2024-10-26T12:52:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129337\/"},"modified":"2024-10-26T20:52:18","modified_gmt":"2024-10-26T12:52:18","slug":"redis%e9%8e%96%e5%ae%98%e6%96%b9%e6%96%87%e6%aa%94%e7%b2%be%e5%bd%a9%e7%84%a1%e9%99%90%ef%bc%88redis%e9%8e%96%e5%ae%98%e6%96%b9%e6%96%87%e6%aa%94%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129337\/","title":{"rendered":"Redis\u9396\u5b98\u65b9\u6587\u6a94\u7cbe\u5f69\u7121\u9650\uff08redis\u9396\u5b98\u65b9\u6587\u6a94\uff09"},"content":{"rendered":"<h1 id=\"redis%e9%8e%96%e5%ae%98%e6%96%b9%e6%96%87%e6%aa%94%e7%b2%be%e5%bd%a9%e7%84%a1%e9%99%90-ubQgSpMAUQ\">Redis\u9396\u5b98\u65b9\u6587\u6a94\u7cbe\u5f69\u7121\u9650<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9396\u7684\u7ba1\u7406\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u9632\u6b62\u7af6\u722d\u689d\u4ef6\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u70ba\u4eba\u77e5\u7684\u4fbf\u662fRedis\u9396\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u9396\u7684\u5b98\u65b9\u6587\u6a94\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%8e%96%ef%bc%9f-ubQgSpMAUQ\">\u4ec0\u9ebc\u662fRedis\u9396\uff1f<\/h2>\n<p>Redis\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5b83\u53ef\u4ee5\u9632\u6b62\u591a\u500b\u9032\u7a0b\u540c\u6642\u4fee\u6539\u540c\u4e00\u6578\u64da\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002Redis\u9396\u7684\u5be6\u73fe\u901a\u5e38\u57fa\u65bcSETNX\u547d\u4ee4\uff0c\u9019\u662f\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\uff0c\u80fd\u5920\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u5ba2\u6236\u7aef\u80fd\u5920\u7372\u5f97\u9396\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%af%a6%e7%8f%be-ubQgSpMAUQ\">Redis\u9396\u7684\u57fa\u672c\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Redis\u9396\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>SETNX lock_key unique_lock_value\nEXPIRE lock_key 10\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0cSETNX\u547d\u4ee4\u6703\u5617\u8a66\u8a2d\u7f6e\u4e00\u500b\u540d\u70balock_key\u7684\u9375\uff0c\u53ea\u6709\u7576\u8a72\u9375\u4e0d\u5b58\u5728\u6642\uff0c\u624d\u6703\u6210\u529f\u8a2d\u7f6e\u3002unique_lock_value\u662f\u4e00\u500b\u552f\u4e00\u7684\u6a19\u8b58\u7b26\uff0c\u7528\u65bc\u8b58\u5225\u9396\u7684\u64c1\u6709\u8005\u3002EXPIRE\u547d\u4ee4\u5247\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u9632\u6b62\u56e0\u70ba\u67d0\u4e9b\u539f\u56e0\u5c0e\u81f4\u9396\u7121\u6cd5\u91cb\u653e\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e9%8e%96%e7%9a%84%e9%87%8b%e6%94%be-ubQgSpMAUQ\">\u9396\u7684\u91cb\u653e<\/h2>\n<p>\u91cb\u653e\u9396\u7684\u904e\u7a0b\u540c\u6a23\u91cd\u8981\uff0c\u5fc5\u9808\u78ba\u4fdd\u53ea\u6709\u9396\u7684\u64c1\u6709\u8005\u624d\u80fd\u91cb\u653e\u9396\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u91cb\u653e\u9396\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>if (GET lock_key == unique_lock_value) {\n    DEL lock_key\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u9996\u5148\u6aa2\u67e5\u7576\u524d\u9396\u7684\u503c\u662f\u5426\u8207unique_lock_value\u76f8\u540c\uff0c\u53ea\u6709\u76f8\u540c\u6642\u624d\u6703\u91cb\u653e\u9396\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u5176\u4ed6\u9032\u7a0b\u8aa4\u91cb\u653e\u9396\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-ubQgSpMAUQ\">Redis\u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<ul>\n<li><strong>\u512a\u9ede\uff1a<\/strong>\n<ul>\n<li>\u9ad8\u6548\uff1aRedis\u7684\u6027\u80fd\u975e\u5e38\u9ad8\uff0c\u80fd\u5920\u5feb\u901f\u7372\u53d6\u548c\u91cb\u653e\u9396\u3002<\/li>\n<li>\u7c21\u55ae\uff1a\u4f7f\u7528Redis\u9396\u7684\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u6613\u65bc\u7406\u89e3\u548c\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7f3a\u9ede\uff1a<\/strong>\n<ul>\n<li>\u4e0d\u53ef\u9760\uff1a\u5982\u679c\u7372\u53d6\u9396\u7684\u9032\u7a0b\u5d29\u6f70\uff0c\u9396\u53ef\u80fd\u7121\u6cd5\u91cb\u653e\uff0c\u5c0e\u81f4\u6b7b\u9396\u3002<\/li>\n<li>\u9700\u8981\u984d\u5916\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\uff1a\u5fc5\u9808\u5c0f\u5fc3\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 id=\"redis%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96-ubQgSpMAUQ\">Redis\u5206\u4f48\u5f0f\u9396<\/h2>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u4f7f\u7528Redis\u9396\u6642\u9700\u8981\u8003\u616e\u5230\u591a\u500b\u5ba2\u6236\u7aef\u7684\u60c5\u6cc1\u3002\u70ba\u4e86\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\uff0c\u53ef\u4ee5\u4f7f\u7528Redisson\u7b49\u5eab\uff0c\u9019\u4e9b\u5eab\u63d0\u4f9b\u4e86\u66f4\u70ba\u5b8c\u5584\u7684\u9396\u7ba1\u7406\u529f\u80fd\uff0c\u5305\u62ec\u81ea\u52d5\u7e8c\u671f\u3001\u9396\u7684\u91cd\u5165\u7b49\u7279\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ubQgSpMAUQ\">\u7d50\u8ad6<\/h2>\n<p>Redis\u9396\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u6709\u6548\u5730\u7ba1\u7406\u8cc7\u6e90\u8a2a\u554f\u3002\u96d6\u7136\u5b83\u6709\u5176\u512a\u7f3a\u9ede\uff0c\u4f46\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u9396\u7ba1\u7406\u7684\u61c9\u7528\uff0cRedis\u9396\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bcVPS\u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u9396\u5b98\u65b9\u6587\u6a94\uff0c\u4e86\u89e3\u9ad8\u6548\u9396\u5b9a\u6a5f\u5236\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u5b89\u5168\u6027\uff0c\u5be6\u73fe\u5206\u4f48\u5f0f\u7cfb\u7d71\u7684\u6700\u4f73\u89e3\u6c7a\u65b9\u6848\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-129337","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129337","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=129337"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129337\/revisions"}],"predecessor-version":[{"id":129338,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129337\/revisions\/129338"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}