{"id":128369,"date":"2024-10-26T13:39:04","date_gmt":"2024-10-26T05:39:04","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128369\/"},"modified":"2024-10-26T13:39:04","modified_gmt":"2024-10-26T05:39:04","slug":"redis-%e5%af%a6%e7%8f%be%e7%9a%84%e9%8e%96%e7%9a%84%e6%a9%9f%e5%88%b6%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128369\/","title":{"rendered":"Redis \u5be6\u73fe\u7684\u9396\u7684\u6a5f\u5236\u5206\u6790"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e7%9a%84%e9%8e%96%e7%9a%84%e6%a9%9f%e5%88%b6%e5%88%86%e6%9e%90-UWoDxVWdso\">Redis \u5be6\u73fe\u7684\u9396\u7684\u6a5f\u5236\u5206\u6790<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9396\u7684\u6a5f\u5236\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\u65b9\u5f0f\u4f86\u5be6\u73fe\u9396\u7684\u6a5f\u5236\u3002\u672c\u6587\u5c07\u6df1\u5165\u5206\u6790 Redis \u5be6\u73fe\u9396\u7684\u6a5f\u5236\uff0c\u5305\u62ec\u5176\u512a\u7f3a\u9ede\u3001\u4f7f\u7528\u5834\u666f\u4ee5\u53ca\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"redis-%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-UWoDxVWdso\">Redis \u9396\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u9396\u7684\u57fa\u672c\u6982\u5ff5\u662f\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u7279\u5b9a\u7684\u9375\u4f86\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u3002\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u9700\u8981\u8a2a\u554f\u67d0\u500b\u8cc7\u6e90\u6642\uff0c\u5b83\u6703\u9996\u5148\u5617\u8a66\u7372\u53d6\u9396\uff0c\u9019\u901a\u5e38\u662f\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u9375\u4f86\u5be6\u73fe\u7684\u3002\u5982\u679c\u8a72\u9375\u5df2\u7d93\u5b58\u5728\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u6301\u6709\uff0c\u7576\u524d\u5ba2\u6236\u7aef\u9700\u8981\u7b49\u5f85\u3002<\/p>\n<h2 id=\"redis-%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e5%bc%8f-UWoDxVWdso\">Redis \u9396\u7684\u5be6\u73fe\u65b9\u5f0f<\/h2>\n<h3 id=\"1-%e7%b0%a1%e5%96%ae%e9%8e%96-UWoDxVWdso\">1. \u7c21\u55ae\u9396<\/h3>\n<p>\u6700\u57fa\u672c\u7684\u9396\u5be6\u73fe\u662f\u4f7f\u7528 <code>SETNX<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u7684\u5168\u540d\u662f &#8220;SET if Not eXists&#8221;\uff0c\u5b83\u6703\u5728\u9375\u4e0d\u5b58\u5728\u6642\u8a2d\u7f6e\u9375\u7684\u503c\uff0c\u4e26\u8fd4\u56de 1\uff1b\u5982\u679c\u9375\u5df2\u5b58\u5728\uff0c\u5247\u8fd4\u56de 0\u3002<\/p>\n<pre><code>SETNX lock_key 1\n<\/code><\/pre>\n<p>\u7576\u5ba2\u6236\u7aef\u7372\u53d6\u5230\u9396\u5f8c\uff0c\u61c9\u8a72\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u56e0\u70ba\u5ba2\u6236\u7aef\u5d29\u6f70\u800c\u5c0e\u81f4\u9396\u7121\u6cd5\u91cb\u653e\u3002\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002<\/p>\n<pre><code>EXPIRE lock_key 10\n<\/code><\/pre>\n<h3 id=\"2-%e4%ba%92%e6%96%a5%e9%8e%96-UWoDxVWdso\">2. \u4e92\u65a5\u9396<\/h3>\n<p>\u70ba\u4e86\u907f\u514d\u6b7b\u9396\u7684\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u7a2e\u66f4\u70ba\u8907\u96dc\u7684\u9396\u6a5f\u5236\uff0c\u7a31\u70ba\u4e92\u65a5\u9396\u3002\u9019\u7a2e\u9396\u7684\u5be6\u73fe\u901a\u5e38\u6703\u4f7f\u7528 <code>SET<\/code> \u547d\u4ee4\u7684 <code>NX<\/code> \u548c <code>PX<\/code> \u53c3\u6578\u4f86\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u3002<\/p>\n<pre><code>SET lock_key 1 NX PX 10000\n<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u53ea\u6709\u5728\u9396\u4e0d\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\uff0c\u5ba2\u6236\u7aef\u624d\u80fd\u6210\u529f\u8a2d\u7f6e\u9396\uff0c\u4e26\u4e14\u9396\u6703\u5728 10 \u79d2\u5f8c\u81ea\u52d5\u91cb\u653e\u3002<\/p>\n<h3 id=\"3-redlock-%e7%ae%97%e6%b3%95-UWoDxVWdso\">3. Redlock \u7b97\u6cd5<\/h3>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u55ae\u4e00 Redis \u5be6\u4f8b\u7684\u9396\u53ef\u80fd\u6703\u5c0e\u81f4\u55ae\u9ede\u6545\u969c\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528 Redlock \u7b97\u6cd5\u3002Redlock \u662f\u7531 Redis \u7684\u5275\u59cb\u4eba Antirez \u63d0\u51fa\u7684\uff0c\u65e8\u5728\u63d0\u4f9b\u4e00\u7a2e\u53ef\u9760\u7684\u5206\u4f48\u5f0f\u9396\u6a5f\u5236\u3002<\/p>\n<p>Redlock \u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5728\u591a\u500b Redis \u5be6\u4f8b\u4e0a\u7372\u53d6\u9396\u3002<\/li>\n<li>\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u3002<\/li>\n<li>\u5982\u679c\u5728\u5927\u591a\u6578\u5be6\u4f8b\u4e0a\u6210\u529f\u7372\u53d6\u9396\uff0c\u5247\u8a8d\u70ba\u7372\u53d6\u9396\u6210\u529f\u3002<\/li>\n<li>\u91cb\u653e\u9396\u6642\uff0c\u5fc5\u9808\u5728\u6240\u6709\u5be6\u4f8b\u4e0a\u91cb\u653e\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-UWoDxVWdso\">Redis \u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-UWoDxVWdso\">\u512a\u9ede<\/h3>\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\u6613\u7528\uff1a\u4f7f\u7528 Redis \u5be6\u73fe\u9396\u7684\u4ee3\u78bc\u76f8\u5c0d\u7c21\u55ae\uff0c\u6613\u65bc\u7406\u89e3\u548c\u7dad\u8b77\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-UWoDxVWdso\">\u7f3a\u9ede<\/h3>\n<ul>\n<li>\u55ae\u9ede\u6545\u969c\uff1a\u5982\u679c\u4f7f\u7528\u55ae\u4e00 Redis \u5be6\u4f8b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u9396\u5931\u6548\u3002<\/li>\n<li>\u6b7b\u9396\u98a8\u96aa\uff1a\u5982\u679c\u9396\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-UWoDxVWdso\">\u4f7f\u7528\u5834\u666f<\/h2>\n<p>Redis \u9396\u9069\u5408\u7528\u65bc\u9700\u8981\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u8a2a\u554f\u7684\u5834\u666f\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u5206\u4f48\u5f0f\u4efb\u52d9\u8abf\u5ea6\u7cfb\u7d71\u3002<\/li>\n<li>\u9700\u8981\u4fdd\u8b49\u6578\u64da\u4e00\u81f4\u6027\u7684\u4ea4\u6613\u7cfb\u7d71\u3002<\/li>\n<li>\u9ad8\u4f75\u767c\u7684 Web \u61c9\u7528\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UWoDxVWdso\">\u7e3d\u7d50<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5f9e\u7c21\u55ae\u9396\u5230 Redlock \u7b97\u6cd5\uff0c\u80fd\u5920\u6eff\u8db3\u4e0d\u540c\u5834\u666f\u4e0b\u7684\u9700\u6c42\u3002\u96d6\u7136 Redis \u9396\u5177\u6709\u9ad8\u6548\u548c\u6613\u7528\u7684\u512a\u9ede\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4e5f\u9700\u6ce8\u610f\u5176\u6f5b\u5728\u7684\u7f3a\u9ede\uff0c\u5982\u55ae\u9ede\u6545\u969c\u548c\u6b7b\u9396\u98a8\u96aa\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u4f75\u767c\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u9396\u6a5f\u5236\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u5206\u6790Redis\u5be6\u73fe\u7684\u9396\u6a5f\u5236\uff0c\u63a2\u8a0e\u5176\u539f\u7406\u3001\u512a\u7f3a\u9ede\u53ca\u61c9\u7528\u5834\u666f\uff0c\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u5206\u4f48\u5f0f\u9396\u7684\u904b\u4f5c\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-128369","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128369","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=128369"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128369\/revisions"}],"predecessor-version":[{"id":128370,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128369\/revisions\/128370"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}