{"id":129419,"date":"2024-10-26T21:29:19","date_gmt":"2024-10-26T13:29:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129419\/"},"modified":"2024-10-26T21:29:20","modified_gmt":"2024-10-26T13:29:20","slug":"redis%e9%8e%96%e5%95%8f%e9%a1%8c%e8%88%87%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%ef%bc%88redis%e9%8e%96%e7%9a%84%e5%95%8f%e9%a1%8c%e5%92%8c%e8%a7%a3%e6%b1%ba%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129419\/","title":{"rendered":"Redis\u9396\u554f\u984c\u8207\u89e3\u6c7a\u65b9\u6848\uff08redis\u9396\u7684\u554f\u984c\u548c\u89e3\u6c7a\uff09"},"content":{"rendered":"<h1 id=\"redis%e9%8e%96%e5%95%8f%e9%a1%8c%e8%88%87%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-IZumWyuOVa\">Redis\u9396\u554f\u984c\u8207\u89e3\u6c7a\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u548c\u4e26\u767c\u63a7\u5236\u662f\u81f3\u95dc\u91cd\u8981\u7684\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\u4ee5\u89e3\u6c7a\u4e26\u767c\u554f\u984c\u3002\u7136\u800c\uff0cRedis\u9396\u7684\u5be6\u73fe\u4e26\u975e\u6c92\u6709\u6311\u6230\uff0c\u672c\u6587\u5c07\u63a2\u8a0eRedis\u9396\u7684\u5e38\u898b\u554f\u984c\u53ca\u5176\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-IZumWyuOVa\">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\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5728Redis\u4e2d\u8a2d\u7f6e\u4e00\u500b\u7279\u5b9a\u7684\u9375\uff0c\u4e26\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002\u9019\u7a2e\u9396\u7684\u57fa\u672c\u539f\u7406\u662f\u4f7f\u7528\u539f\u5b50\u64cd\u4f5c\u4f86\u78ba\u4fdd\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u662f\u5b89\u5168\u7684\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84redis%e9%8e%96%e5%95%8f%e9%a1%8c-IZumWyuOVa\">\u5e38\u898b\u7684Redis\u9396\u554f\u984c<\/h2>\n<h3 id=\"1-%e9%8e%96%e7%9a%84%e9%87%8d%e5%85%a5%e6%80%a7-IZumWyuOVa\">1. 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\u9396\u7684\u904e\u671f\u554f\u984c<\/h3>\n<p>\u5982\u679c\u9396\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u5f97\u904e\u77ed\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u9396\u5728\u696d\u52d9\u908f\u8f2f\u5c1a\u672a\u5b8c\u6210\u6642\u81ea\u52d5\u91cb\u653e\uff0c\u5f9e\u800c\u5f15\u767c\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002\u76f8\u53cd\uff0c\u5982\u679c\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u5f97\u904e\u9577\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u8cc7\u6e90\u7684\u6d6a\u8cbb\u3002<\/p>\n<h3 id=\"3-%e9%8e%96%e7%9a%84%e9%87%8b%e6%94%be%e5%95%8f%e9%a1%8c-IZumWyuOVa\">3. \u9396\u7684\u91cb\u653e\u554f\u984c<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5ba2\u6236\u7aef\u53ef\u80fd\u6703\u56e0\u70ba\u7570\u5e38\u800c\u7121\u6cd5\u91cb\u653e\u9396\uff0c\u9019\u6703\u5c0e\u81f4\u5176\u4ed6\u8acb\u6c42\u7121\u6cd5\u7372\u53d6\u9396\uff0c\u5f9e\u800c\u5f71\u97ff\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-IZumWyuOVa\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8redlock%e7%ae%97%e6%b3%95-IZumWyuOVa\">1. \u4f7f\u7528Redlock\u7b97\u6cd5<\/h3>\n<p>Redlock\u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u9396\u7b97\u6cd5\uff0c\u65e8\u5728\u89e3\u6c7aRedis\u9396\u7684\u554f\u984c\u3002\u5b83\u901a\u904e\u5728\u591a\u500bRedis\u5be6\u4f8b\u4e0a\u7372\u53d6\u9396\u4f86\u63d0\u9ad8\u9396\u7684\u53ef\u9760\u6027\u3002\u5177\u9ad4\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5728N\u500bRedis\u5be6\u4f8b\u4e2d\u7372\u53d6\u9396\uff0c\u901a\u5e38N\u61c9\u70ba\u5947\u6578\u3002<\/li>\n<li>\u6bcf\u6b21\u7372\u53d6\u9396\u6642\uff0c\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\u3002<\/li>\n<li>\u53ea\u6709\u7576\u7372\u53d6\u5230\u5927\u591a\u6578\u5be6\u4f8b\u7684\u9396\u6642\uff0c\u624d\u8a8d\u70ba\u9396\u7372\u53d6\u6210\u529f\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e5%90%88%e7%90%86%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-IZumWyuOVa\">2. \u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5728\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u6642\uff0c\u61c9\u6839\u64da\u696d\u52d9\u908f\u8f2f\u7684\u57f7\u884c\u6642\u9593\u4f86\u9032\u884c\u5408\u7406\u7684\u8a2d\u7f6e\u3002\u53ef\u4ee5\u901a\u904e\u76e3\u63a7\u696d\u52d9\u57f7\u884c\u6642\u9593\u4f86\u52d5\u614b\u8abf\u6574\u904e\u671f\u6642\u9593\uff0c\u5f9e\u800c\u907f\u514d\u9396\u7684\u610f\u5916\u91cb\u653e\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8lua%e8%85%b3%e6%9c%ac%e9%80%b2%e8%a1%8c%e5%8e%9f%e5%ad%90%e6%93%8d%e4%bd%9c-IZumWyuOVa\">3. \u4f7f\u7528Lua\u8173\u672c\u9032\u884c\u539f\u5b50\u64cd\u4f5c<\/h3>\n<p>\u70ba\u4e86\u78ba\u4fdd\u9396\u7684\u91cb\u653e\u64cd\u4f5c\u662f\u5b89\u5168\u7684\uff0c\u53ef\u4ee5\u4f7f\u7528Lua\u8173\u672c\u4f86\u9032\u884c\u539f\u5b50\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u91cb\u653e\u9396\u6642\u51fa\u73fe\u7af6\u722d\u689d\u4ef6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\nlocal lock_key = KEYS[1]\nlocal lock_value = ARGV[1]\nif redis.call(\"get\", lock_key) == lock_value then\n    return redis.call(\"del\", lock_key)\nelse\n    return 0\nend\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IZumWyuOVa\">\u7e3d\u7d50<\/h2>\n<p>Redis\u9396\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u662f\u4e00\u500b\u91cd\u8981\u7684\u5de5\u5177\uff0c\u4f46\u5176\u5be6\u73fe\u904e\u7a0b\u4e2d\u5b58\u5728\u591a\u7a2e\u6311\u6230\u3002\u901a\u904e\u4f7f\u7528Redlock\u7b97\u6cd5\u3001\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u4ee5\u53ca\u5229\u7528Lua\u8173\u672c\u9032\u884c\u539f\u5b50\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u9396\u6a5f\u5236\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u9396\u7684\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u6578\u64da\u4e00\u81f4\u6027\uff0c\u78ba\u4fdd\u9ad8\u6548\u7684\u5206\u4f48\u5f0f\u9396\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-129419","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129419","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=129419"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129419\/revisions"}],"predecessor-version":[{"id":129420,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129419\/revisions\/129420"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}