{"id":152969,"date":"2024-11-02T03:32:20","date_gmt":"2024-11-01T19:32:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152969\/"},"modified":"2024-11-02T03:32:21","modified_gmt":"2024-11-01T19:32:21","slug":"%e8%99%95%e7%90%86-redis-%e9%8e%96%e9%81%8e%e6%9c%9f%e5%be%9e%e5%af%a6%e8%b8%90%e5%88%b0%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%ef%bc%88redis-%e9%8e%96%e9%81%8e%e6%9c%9f%e6%80%8e%e9%ba%bc%e8%99%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152969\/","title":{"rendered":"\u8655\u7406 Redis \u9396\u904e\u671f\u5f9e\u5be6\u8e10\u5230\u89e3\u6c7a\u65b9\u6848\uff08Redis \u9396\u904e\u671f\u600e\u9ebc\u8655\u7406\uff09"},"content":{"rendered":"<h1 id=\"%e8%99%95%e7%90%86-redis-%e9%8e%96%e9%81%8e%e6%9c%9f%e5%be%9e%e5%af%a6%e8%b8%90%e5%88%b0%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%ef%bc%88redis-%e9%8e%96%e9%81%8e%e6%9c%9f%e6%80%8e%e9%ba%bc%e8%99%95-HhktxLhMrp\">\u8655\u7406 Redis \u9396\u904e\u671f\u5f9e\u5be6\u8e10\u5230\u89e3\u6c7a\u65b9\u6848\uff08Redis \u9396\u904e\u671f\u600e\u9ebc\u8655\u7406\uff09<\/h1>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9396\u7684\u4f7f\u7528\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\u7d93\u5e38\u88ab\u7528\u4f86\u5be6\u73fe\u9396\u6a5f\u5236\u3002\u7136\u800c\uff0cRedis \u9396\u7684\u904e\u671f\u554f\u984c\u537b\u662f\u958b\u767c\u8005\u5728\u5be6\u8e10\u4e2d\u7d93\u5e38\u9047\u5230\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u9396\u904e\u671f\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"redis-%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-HhktxLhMrp\">Redis \u9396\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u9396\u901a\u5e38\u662f\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u9375\u4f86\u5be6\u73fe\u7684\uff0c\u9019\u500b\u9375\u7684\u503c\u662f\u9396\u7684\u64c1\u6709\u8005\uff0c\u4e26\u4e14\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u8a2d\u7f6e\u4e00\u500b\u9375\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET lock_key \"owner_id\" EX 10 NX<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u7684\u610f\u601d\u662f\uff1a\u5982\u679c\u9375 lock_key \u4e0d\u5b58\u5728\uff0c\u5247\u8a2d\u7f6e\u5b83\u7684\u503c\u70ba &#8220;owner_id&#8221;\uff0c\u4e26\u4e14\u5728 10 \u79d2\u5f8c\u904e\u671f\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u9396\u4e0d\u6703\u6c38\u4e45\u5b58\u5728\uff0c\u5f9e\u800c\u907f\u514d\u6b7b\u9396\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e9%8e%96%e9%81%8e%e6%9c%9f%e7%9a%84%e5%95%8f%e9%a1%8c-HhktxLhMrp\">\u9396\u904e\u671f\u7684\u554f\u984c<\/h2>\n<p>\u96d6\u7136\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u53ef\u4ee5\u9632\u6b62\u6b7b\u9396\uff0c\u4f46\u9019\u4e5f\u53ef\u80fd\u5c0e\u81f4\u5176\u4ed6\u554f\u984c\u3002\u5982\u679c\u6301\u6709\u9396\u7684\u5ba2\u6236\u7aef\u5728\u9396\u904e\u671f\u4e4b\u524d\u6c92\u6709\u91cb\u653e\u9396\uff0c\u5247\u5176\u4ed6\u5ba2\u6236\u7aef\u5c07\u7121\u6cd5\u7372\u53d6\u9396\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\u6216\u51fa\u73fe\u4e0d\u4e00\u81f4\u7684\u6578\u64da\u72c0\u614b\u3002<\/p>\n<h3 id=\"%e5%bd%b1%e9%9f%bf-HhktxLhMrp\">\u5f71\u97ff<\/h3>\n<ul>\n<li><strong>\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u7576\u9396\u904e\u671f\u6642\uff0c\u5176\u4ed6\u8acb\u6c42\u53ef\u80fd\u6703\u88ab\u963b\u585e\uff0c\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u6578\u64da\u4e0d\u4e00\u81f4\uff1a<\/strong>\u5982\u679c\u9396\u5728\u904e\u671f\u5f8c\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u7372\u53d6\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u7684\u4e0d\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u696d\u52d9\u908f\u8f2f\u932f\u8aa4\uff1a<\/strong>\u67d0\u4e9b\u696d\u52d9\u908f\u8f2f\u4f9d\u8cf4\u65bc\u9396\u7684\u6301\u6709\u8005\uff0c\u5982\u679c\u9396\u88ab\u610f\u5916\u91cb\u653e\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u696d\u52d9\u908f\u8f2f\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-HhktxLhMrp\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a Redis \u9396\u904e\u671f\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e9%8e%96%e7%ba%8c%e6%9c%9f-HhktxLhMrp\">1. \u9396\u7e8c\u671f<\/h3>\n<p>\u5728\u6301\u6709\u9396\u7684\u904e\u7a0b\u4e2d\uff0c\u5b9a\u671f\u7e8c\u671f\u9396\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u5b9a\u6642\u4efb\u52d9\u4f86\u5be6\u73fe\uff0c\u4f8b\u5982\u6bcf 5 \u79d2\u7e8c\u671f\u4e00\u6b21\uff1a<\/p>\n<pre><code>SET lock_key \"owner_id\" EX 10<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u9396\u5728\u9700\u8981\u7684\u6642\u5019\u4e0d\u6703\u904e\u671f\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-redisson-%e7%ad%89%e5%ba%ab-HhktxLhMrp\">2. \u4f7f\u7528 Redisson \u7b49\u5eab<\/h3>\n<p>Redisson \u662f\u4e00\u500b\u57fa\u65bc Redis \u7684 Java \u5ba2\u6236\u7aef\uff0c\u63d0\u4f9b\u4e86\u9ad8\u7d1a\u7684\u9396\u529f\u80fd\uff0c\u5305\u62ec\u81ea\u52d5\u7e8c\u671f\u7684\u9396\u3002\u4f7f\u7528 Redisson \u53ef\u4ee5\u7c21\u5316\u9396\u7684\u7ba1\u7406\uff0c\u6e1b\u5c11\u624b\u52d5\u7e8c\u671f\u7684\u9ebb\u7169\u3002<\/p>\n<pre><code>RLock lock = redisson.getLock(\"lock_key\");\nlock.lock(10, TimeUnit.SECONDS); \/\/ \u81ea\u52d5\u7e8c\u671f<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac-HhktxLhMrp\">3. \u4f7f\u7528 Lua \u8173\u672c<\/h3>\n<p>\u4f7f\u7528 Lua \u8173\u672c\u53ef\u4ee5\u539f\u5b50\u6027\u5730\u6aa2\u67e5\u9396\u7684\u64c1\u6709\u8005\u4e26\u91cb\u653e\u9396\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u56e0\u70ba\u9396\u904e\u671f\u800c\u5c0e\u81f4\u7684\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nlocal owner = redis.call(\"GET\", KEYS[1])\nif owner == ARGV[1] then\n    return redis.call(\"DEL\", KEYS[1])\nelse\n    return 0\nend\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HhktxLhMrp\">\u7e3d\u7d50<\/h2>\n<p>Redis \u9396\u7684\u904e\u671f\u554f\u984c\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u662f\u4e00\u500b\u5e38\u898b\u7684\u6311\u6230\u3002\u901a\u904e\u9069\u7576\u7684\u9396\u7e8c\u671f\u3001\u4f7f\u7528\u9ad8\u7d1a\u5eab\u5982 Redisson \u6216\u8005 Lua \u8173\u672c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u57fa\u790e\u8a2d\u65bd\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u6709\u6548\u8655\u7406 Redis \u9396\u904e\u671f\u554f\u984c\uff0c\u5f9e\u5be6\u8e10\u7d93\u9a57\u5230\u89e3\u6c7a\u65b9\u6848\uff0c\u78ba\u4fdd\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-152969","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152969","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=152969"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152969\/revisions"}],"predecessor-version":[{"id":152970,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152969\/revisions\/152970"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}