{"id":172181,"date":"2024-11-07T10:59:21","date_gmt":"2024-11-07T02:59:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172181\/"},"modified":"2024-11-07T10:59:22","modified_gmt":"2024-11-07T02:59:22","slug":"%e7%a2%ba%e4%bf%9dredis%e9%9b%86%e7%be%a4%e6%95%b8%e6%93%9a%e5%90%8c%e6%ad%a5%e7%9a%84%e9%8e%96%e6%a9%9f%e5%88%b6%ef%bc%88redis%e9%9b%86%e7%be%a4%e5%90%8c%e6%ad%a5%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172181\/","title":{"rendered":"\u78ba\u4fddRedis\u96c6\u7fa4\u6578\u64da\u540c\u6b65\u7684\u9396\u6a5f\u5236\uff08redis\u96c6\u7fa4\u540c\u6b65\u9396\uff09"},"content":{"rendered":"<h1 id=\"%e7%a2%ba%e4%bf%9dredis%e9%9b%86%e7%be%a4%e6%95%b8%e6%93%9a%e5%90%8c%e6%ad%a5%e7%9a%84%e9%8e%96%e6%a9%9f%e5%88%b6%ef%bc%88redis%e9%9b%86%e7%be%a4%e5%90%8c%e6%ad%a5%e9%8e%96%ef%bc%89-TffTGkBmXx\">\u78ba\u4fddRedis\u96c6\u7fa4\u6578\u64da\u540c\u6b65\u7684\u9396\u6a5f\u5236\uff08redis\u96c6\u7fa4\u540c\u6b65\u9396\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u548c\u53ef\u7528\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002\u7576\u4f7f\u7528Redis\u96c6\u7fa4\u6642\uff0c\u6578\u64da\u7684\u540c\u6b65\u548c\u4e00\u81f4\u6027\u554f\u984c\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u96c6\u7fa4\u4e2d\u7684\u6578\u64da\u540c\u6b65\u9396\u6a5f\u5236\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u7406\u89e3\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"redis%e9%9b%86%e7%be%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-TffTGkBmXx\">Redis\u96c6\u7fa4\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u96c6\u7fa4\u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u67b6\u69cb\uff0c\u5141\u8a31\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\u3002\u6bcf\u500b\u7bc0\u9ede\u8ca0\u8cac\u4e00\u90e8\u5206\u6578\u64da\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002\u5728Redis\u96c6\u7fa4\u4e2d\uff0c\u6578\u64da\u662f\u6839\u64da\u54c8\u5e0c\u69fd\u9032\u884c\u5206\u914d\u7684\uff0c\u6bcf\u500b\u9375\u90fd\u6703\u88ab\u6620\u5c04\u5230\u4e00\u500b\u7279\u5b9a\u7684\u54c8\u5e0c\u69fd\uff0c\u7136\u5f8c\u5b58\u5132\u5728\u76f8\u61c9\u7684\u7bc0\u9ede\u4e0a\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%90%8c%e6%ad%a5%e7%9a%84%e6%8c%91%e6%88%b0-TffTGkBmXx\">\u6578\u64da\u540c\u6b65\u7684\u6311\u6230<\/h2>\n<p>\u5728Redis\u96c6\u7fa4\u4e2d\uff0c\u6578\u64da\u540c\u6b65\u7684\u6311\u6230\u4e3b\u8981\u4f86\u81ea\u65bc\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u7bc0\u9ede\u6545\u969c\uff1a<\/strong>\u7576\u67d0\u500b\u7bc0\u9ede\u5931\u6548\u6642\uff0c\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u4e0d\u4e1f\u5931\u4e26\u80fd\u5920\u5feb\u901f\u6062\u5fa9\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u9032\u884c\u6578\u64da\u5beb\u5165\u6642\uff0c\u5982\u4f55\u78ba\u4fdd\u6240\u6709\u7bc0\u9ede\u7684\u6578\u64da\u4e00\u81f4\u3002<\/li>\n<li><strong>\u4e26\u767c\u64cd\u4f5c\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u5982\u4f55\u907f\u514d\u6578\u64da\u7af6\u722d\u548c\u4e0d\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e9%9b%86%e7%be%a4%e4%b8%ad%e7%9a%84%e9%8e%96%e6%a9%9f%e5%88%b6-TffTGkBmXx\">Redis\u96c6\u7fa4\u4e2d\u7684\u9396\u6a5f\u5236<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u4e0a\u8ff0\u6311\u6230\uff0cRedis\u96c6\u7fa4\u5f15\u5165\u4e86\u9396\u6a5f\u5236\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u540c\u6b65\u3002\u9396\u6a5f\u5236\u7684\u4e3b\u8981\u76ee\u7684\u662f\u5728\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u8a2a\u554f\u6578\u64da\u6642\uff0c\u9632\u6b62\u6578\u64da\u7684\u7af6\u722d\u689d\u4ef6\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u9396\u6a5f\u5236\uff1a<\/p>\n<h3 id=\"1-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96-TffTGkBmXx\">1. \u5206\u5e03\u5f0f\u9396<\/h3>\n<p>\u5206\u5e03\u5f0f\u9396\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u9396\u6a5f\u5236\uff0c\u901a\u5e38\u4f7f\u7528Redis\u7684SETNX\u547d\u4ee4\u4f86\u5be6\u73fe\u3002\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u9700\u8981\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5617\u8a66\u8a2d\u7f6e\u4e00\u500b\u9375\uff0c\u5982\u679c\u8a2d\u7f6e\u6210\u529f\uff0c\u5247\u7372\u5f97\u9396\uff1b\u5982\u679c\u9375\u5df2\u5b58\u5728\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u7372\u53d6\u3002<\/p>\n<pre><code>SETNX lock_key unique_lock_value\n<\/code><\/pre>\n<p>\u5728\u7372\u53d6\u9396\u5f8c\uff0c\u5ba2\u6236\u7aef\u53ef\u4ee5\u9032\u884c\u6578\u64da\u64cd\u4f5c\uff0c\u64cd\u4f5c\u5b8c\u6210\u5f8c\u9700\u8981\u91cb\u653e\u9396\uff1a<\/p>\n<pre><code>DEL lock_key\n<\/code><\/pre>\n<h3 id=\"2-redlock%e7%ae%97%e6%b3%95-TffTGkBmXx\">2. Redlock\u7b97\u6cd5<\/h3>\n<p>Redlock\u662f\u4e00\u7a2e\u6539\u9032\u7684\u5206\u5e03\u5f0f\u9396\u7b97\u6cd5\uff0c\u65e8\u5728\u63d0\u9ad8\u9396\u7684\u53ef\u9760\u6027\u3002\u5b83\u7684\u57fa\u672c\u601d\u8def\u662f\u4f7f\u7528\u591a\u500bRedis\u5be6\u4f8b\u4f86\u7372\u53d6\u9396\uff0c\u9019\u6a23\u5373\u4f7f\u67d0\u500b\u5be6\u4f8b\u5931\u6548\uff0c\u5176\u4ed6\u5be6\u4f8b\u4ecd\u7136\u53ef\u4ee5\u4fdd\u6301\u9396\u7684\u6709\u6548\u6027\u3002Redlock\u7684\u5be6\u73fe\u904e\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5728N\u500bRedis\u5be6\u4f8b\u4e2d\uff0c\u5ba2\u6236\u7aef\u4f9d\u6b21\u8acb\u6c42\u9396\u3002<\/li>\n<li>\u5982\u679c\u5728\u5927\u591a\u6578\u5be6\u4f8b\u4e2d\u6210\u529f\u7372\u53d6\u9396\uff0c\u5247\u8a8d\u70ba\u9396\u7372\u53d6\u6210\u529f\u3002<\/li>\n<li>\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%90%8c%e6%ad%a5%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-TffTGkBmXx\">\u6578\u64da\u540c\u6b65\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u70ba\u4e86\u78ba\u4fddRedis\u96c6\u7fa4\u4e2d\u7684\u6578\u64da\u540c\u6b65\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u5206\u5e03\u5f0f\u9396\u4f86\u4fdd\u8b77\u95dc\u9375\u6578\u64da\u64cd\u4f5c\uff0c\u907f\u514d\u6578\u64da\u7af6\u722d\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u904e\u671f\u7684\u9396\uff0c\u9632\u6b62\u6b7b\u9396\u60c5\u6cc1\u7684\u767c\u751f\u3002<\/li>\n<li>\u5728\u9032\u884c\u6578\u64da\u5beb\u5165\u6642\uff0c\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002<\/li>\n<li>\u76e3\u63a7Redis\u96c6\u7fa4\u7684\u5065\u5eb7\u72c0\u614b\uff0c\u53ca\u6642\u8655\u7406\u6545\u969c\u7bc0\u9ede\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TffTGkBmXx\">\u7e3d\u7d50<\/h2>\n<p>\u5728Redis\u96c6\u7fa4\u4e2d\uff0c\u78ba\u4fdd\u6578\u64da\u540c\u6b65\u7684\u9396\u6a5f\u5236\u662f\u7dad\u8b77\u6578\u64da\u4e00\u81f4\u6027\u548c\u7cfb\u7d71\u7a69\u5b9a\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u4f7f\u7528\u5206\u5e03\u5f0f\u9396\u548cRedlock\u7b97\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u4e26\u767c\u64cd\u4f5c\uff0c\u6e1b\u5c11\u6578\u64da\u7af6\u722d\u7684\u98a8\u96aa\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u5c0d\u65bcRedis\u96c6\u7fa4\u7684\u7ba1\u7406\u548c\u512a\u5316\u5c07\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684Redis\u96c6\u7fa4\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u96c6\u7fa4\u6578\u64da\u540c\u6b65\u7684\u9396\u6a5f\u5236\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u9ad8\u6548\u6027\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\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-172181","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172181","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=172181"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172181\/revisions"}],"predecessor-version":[{"id":172182,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172181\/revisions\/172182"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=172181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=172181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=172181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}