{"id":194417,"date":"2024-11-13T06:29:19","date_gmt":"2024-11-12T22:29:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194417\/"},"modified":"2024-11-13T06:29:20","modified_gmt":"2024-11-12T22:29:20","slug":"%e6%87%89%e7%94%a8%e5%9f%ba%e6%96%bcredis%e7%9a%84%e7%a7%92%e6%ae%ba%e5%88%86%e5%b8%83%e5%bc%8f%e6%87%89%e7%94%a8%e5%af%a6%e8%b8%90%ef%bc%88redis%e7%a7%92%e6%ae%ba%e5%88%86%e5%b8%83%e5%bc%8f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194417\/","title":{"rendered":"\u61c9\u7528\u57fa\u65bcRedis\u7684\u79d2\u6bba\u5206\u5e03\u5f0f\u61c9\u7528\u5be6\u8e10\uff08redis+\u79d2\u6bba\u5206\u5e03\u5f0f\uff09"},"content":{"rendered":"<h1 id=\"%e6%87%89%e7%94%a8%e5%9f%ba%e6%96%bcredis%e7%9a%84%e7%a7%92%e6%ae%ba%e5%88%86%e5%b8%83%e5%bc%8f%e6%87%89%e7%94%a8%e5%af%a6%e8%b8%90%ef%bc%88redis%e7%a7%92%e6%ae%ba%e5%88%86%e5%b8%83%e5%bc%8f%ef%bc%89-SfhgtyzfKJ\">\u61c9\u7528\u57fa\u65bcRedis\u7684\u79d2\u6bba\u5206\u5e03\u5f0f\u61c9\u7528\u5be6\u8e10\uff08redis+\u79d2\u6bba\u5206\u5e03\u5f0f\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u96fb\u5b50\u5546\u52d9\u74b0\u5883\u4e2d\uff0c\u79d2\u6bba\u6d3b\u52d5\u5df2\u6210\u70ba\u5438\u5f15\u9867\u5ba2\u548c\u4fc3\u9032\u92b7\u552e\u7684\u91cd\u8981\u624b\u6bb5\u3002\u7136\u800c\uff0c\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u6fc0\u589e\uff0c\u5982\u4f55\u6709\u6548\u5730\u8655\u7406\u9ad8\u4e26\u767c\u8acb\u6c42\u6210\u70ba\u4e86\u5546\u5bb6\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u57fa\u65bcRedis\u7684\u5206\u5e03\u5f0f\u61c9\u7528\uff0c\u56e0\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0c\u6210\u70ba\u4e86\u5be6\u73fe\u79d2\u6bba\u6d3b\u52d5\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"redis%e7%b0%a1%e4%bb%8b-SfhgtyzfKJ\">Redis\u7c21\u4ecb<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5b83\u7684\u7279\u9ede\u5305\u62ec\u5feb\u901f\u7684\u8b80\u5beb\u901f\u5ea6\u3001\u6301\u4e45\u5316\u5b58\u5132\u548c\u9ad8\u53ef\u7528\u6027\uff0c\u9019\u4f7f\u5f97Redis\u5728\u8655\u7406\u9ad8\u4e26\u767c\u8acb\u6c42\u6642\u8868\u73fe\u51fa\u8272\u3002<\/p>\n<h2 id=\"%e7%a7%92%e6%ae%ba%e6%b4%bb%e5%8b%95%e7%9a%84%e6%8c%91%e6%88%b0-SfhgtyzfKJ\">\u79d2\u6bba\u6d3b\u52d5\u7684\u6311\u6230<\/h2>\n<p>\u79d2\u6bba\u6d3b\u52d5\u901a\u5e38\u6703\u5728\u77ed\u6642\u9593\u5167\u5438\u5f15\u5927\u91cf\u7528\u6236\u540c\u6642\u8a2a\u554f\uff0c\u9019\u6703\u5c0e\u81f4\u7cfb\u7d71\u627f\u53d7\u5de8\u5927\u7684\u58d3\u529b\u3002\u4e3b\u8981\u6311\u6230\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9ad8\u4e26\u767c\u8acb\u6c42\u7684\u8655\u7406<\/li>\n<li>\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c<\/li>\n<li>\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027<\/li>\n<\/ul>\n<h2 id=\"%e5%9f%ba%e6%96%bcredis%e7%9a%84%e7%a7%92%e6%ae%ba%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-SfhgtyzfKJ\">\u57fa\u65bcRedis\u7684\u79d2\u6bba\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u4e0a\u8ff0\u6311\u6230\uff0c\u6211\u5011\u53ef\u4ee5\u5229\u7528Redis\u7684\u7279\u6027\u4f86\u8a2d\u8a08\u4e00\u500b\u9ad8\u6548\u7684\u79d2\u6bba\u7cfb\u7d71\u3002\u4ee5\u4e0b\u662f\u57fa\u65bcRedis\u7684\u79d2\u6bba\u5206\u5e03\u5f0f\u61c9\u7528\u7684\u5be6\u8e10\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e5%95%86%e5%93%81%e5%ba%ab%e5%ad%98-SfhgtyzfKJ\">1. \u8a2d\u7f6e\u5546\u54c1\u5eab\u5b58<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5728Redis\u4e2d\u8a2d\u7f6e\u5546\u54c1\u7684\u5eab\u5b58\u6578\u91cf\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u5b57\u7b26\u4e32\u985e\u578b\u4f86\u5b58\u5132\u5eab\u5b58\u6578\u91cf\uff1a<\/p>\n<pre><code>SET product:stock:123 100<\/code><\/pre>\n<p>\u9019\u88e1\uff0c`product:stock:123`\u662f\u5546\u54c1ID\uff0c`100`\u662f\u5eab\u5b58\u6578\u91cf\u3002<\/p>\n<h3 id=\"2-%e5%af%a6%e7%8f%be%e7%a7%92%e6%ae%ba%e9%82%8f%e8%bc%af-SfhgtyzfKJ\">2. \u5be6\u73fe\u79d2\u6bba\u908f\u8f2f<\/h3>\n<p>\u7576\u7528\u6236\u767c\u8d77\u79d2\u6bba\u8acb\u6c42\u6642\uff0c\u6211\u5011\u9700\u8981\u6aa2\u67e5\u5eab\u5b58\u4e26\u9032\u884c\u6263\u6e1b\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u4f86\u78ba\u4fdd\u5eab\u5b58\u7684\u6b63\u78ba\u6027\uff1a<\/p>\n<pre><code>\nif (DECR product:stock:123 &gt;= 0) {\n    \/\/ \u6210\u529f\u6263\u6e1b\u5eab\u5b58\uff0c\u8655\u7406\u8a02\u55ae\n} else {\n    \/\/ \u5eab\u5b58\u4e0d\u8db3\uff0c\u8fd4\u56de\u932f\u8aa4\n}\n<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u64cd\u4f5c\u78ba\u4fdd\u4e86\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\uff0c\u5eab\u5b58\u7684\u6b63\u78ba\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%9a%8a%e5%88%97%e8%99%95%e7%90%86%e8%ab%8b%e6%b1%82-SfhgtyzfKJ\">3. \u4f7f\u7528\u968a\u5217\u8655\u7406\u8acb\u6c42<\/h3>\n<p>\u70ba\u4e86\u9032\u4e00\u6b65\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u5217\u8868\u4f86\u5be6\u73fe\u8acb\u6c42\u7684\u6392\u968a\u8655\u7406\u3002\u7576\u7528\u6236\u767c\u8d77\u8acb\u6c42\u6642\uff0c\u5c07\u8acb\u6c42\u653e\u5165\u968a\u5217\u4e2d\uff0c\u7136\u5f8c\u7531\u5de5\u4f5c\u9032\u7a0b\u9010\u4e00\u8655\u7406\uff1a<\/p>\n<pre><code>LPUSH request:queue \"user_id:123\"<\/code><\/pre>\n<p>\u5de5\u4f5c\u9032\u7a0b\u53ef\u4ee5\u4f7f\u7528`BRPOP`\u547d\u4ee4\u4f86\u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u8acb\u6c42\u4e26\u8655\u7406\uff1a<\/p>\n<pre><code>BRPOP request:queue 0<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7%e8%88%87%e6%93%b4%e5%b1%95%e6%80%a7-SfhgtyzfKJ\">\u6578\u64da\u4e00\u81f4\u6027\u8207\u64f4\u5c55\u6027<\/h2>\n<p>\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u4f7f\u7528Redis\u7684\u4e8b\u52d9\u529f\u80fd\u53ef\u4ee5\u78ba\u4fdd\u591a\u500b\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002\u6b64\u5916\uff0c\u70ba\u4e86\u61c9\u5c0d\u6d41\u91cf\u9ad8\u5cf0\uff0c\u7cfb\u7d71\u61c9\u5177\u5099\u826f\u597d\u7684\u64f4\u5c55\u6027\uff0c\u53ef\u4ee5\u901a\u904e\u589e\u52a0Redis\u5be6\u4f8b\u6216\u4f7f\u7528Redis Cluster\u4f86\u5be6\u73fe\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SfhgtyzfKJ\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bcRedis\u7684\u79d2\u6bba\u5206\u5e03\u5f0f\u61c9\u7528\u5be6\u8e10\u80fd\u6709\u6548\u89e3\u6c7a\u9ad8\u4e26\u767c\u8acb\u6c42\u5e36\u4f86\u7684\u6311\u6230\u3002\u901a\u904e\u5408\u7406\u8a2d\u8a08\u5eab\u5b58\u7ba1\u7406\u3001\u8acb\u6c42\u8655\u7406\u548c\u6578\u64da\u4e00\u81f4\u6027\u7b56\u7565\uff0c\u53ef\u4ee5\u69cb\u5efa\u4e00\u500b\u7a69\u5b9a\u4e14\u9ad8\u6548\u7684\u79d2\u6bba\u7cfb\u7d71\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5e02\u5834\u4e2d\u63d0\u5347\u696d\u52d9\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6280\u8853\u67b6\u69cb\u548c\u670d\u52d9\u63d0\u4f9b\u5546\u81f3\u95dc\u91cd\u8981\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u5c07\u6709\u52a9\u65bc\u60a8\u5728\u96fb\u5b50\u5546\u52d9\u9818\u57df\u53d6\u5f97\u6210\u529f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bcRedis\u7684\u79d2\u6bba\u5206\u5e03\u5f0f\u61c9\u7528\u5be6\u8e10\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u79d2\u6bba\u6d3b\u52d5\u7ba1\u7406\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-194417","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194417","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=194417"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194417\/revisions"}],"predecessor-version":[{"id":194418,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194417\/revisions\/194418"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}