{"id":184574,"date":"2024-11-10T14:21:18","date_gmt":"2024-11-10T06:21:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184574\/"},"modified":"2024-11-10T14:21:19","modified_gmt":"2024-11-10T06:21:19","slug":"%e4%bd%bf%e7%94%a8redis%e8%a7%a3%e9%8e%96%e6%9b%b4%e5%8a%a0%e5%ae%89%e5%85%a8%e5%8f%af%e9%9d%a0%ef%bc%88redis%e8%a7%a3%e6%b1%ba%e9%8e%96%e5%a4%b1%e6%95%88%e5%95%8f%e9%a1%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184574\/","title":{"rendered":"\u4f7f\u7528Redis\u89e3\u9396\u66f4\u52a0\u5b89\u5168\u53ef\u9760\uff08redis\u89e3\u6c7a\u9396\u5931\u6548\u554f\u984c\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e8%a7%a3%e9%8e%96%e6%9b%b4%e5%8a%a0%e5%ae%89%e5%85%a8%e5%8f%af%e9%9d%a0%ef%bc%88redis%e8%a7%a3%e6%b1%ba%e9%8e%96%e5%a4%b1%e6%95%88%e5%95%8f%e9%a1%8c%ef%bc%89-JIFBgZrtkw\">\u4f7f\u7528Redis\u89e3\u9396\u66f4\u52a0\u5b89\u5168\u53ef\u9760\uff08Redis\u89e3\u6c7a\u9396\u5931\u6548\u554f\u984c\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\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\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\u3002\u7136\u800c\uff0c\u4f7f\u7528Redis\u9032\u884c\u9396\u7684\u6642\u5019\uff0c\u9396\u7684\u5931\u6548\u554f\u984c\u537b\u662f\u958b\u767c\u8005\u9700\u8981\u9762\u5c0d\u7684\u4e00\u500b\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u4f86\u89e3\u9396\u66f4\u52a0\u5b89\u5168\u53ef\u9760\u7684\u9396\u6a5f\u5236\uff0c\u4e26\u63d0\u4f9b\u89e3\u6c7a\u9396\u5931\u6548\u554f\u984c\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-JIFBgZrtkw\">Redis\u9396\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u9396\u901a\u5e38\u662f\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u9375\u4f86\u5be6\u73fe\u7684\u3002\u7576\u4e00\u500b\u9032\u7a0b\u9700\u8981\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5617\u8a66\u8a2d\u7f6e\u9019\u500b\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\u5be6\u73fe\u65b9\u5f0f\u7c21\u55ae\u4e14\u9ad8\u6548\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u6f5b\u5728\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e9%8e%96%e5%a4%b1%e6%95%88%e7%9a%84%e5%95%8f%e9%a1%8c-JIFBgZrtkw\">\u9396\u5931\u6548\u7684\u554f\u984c<\/h2>\n<p>\u9396\u5931\u6548\u554f\u984c\u4e3b\u8981\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u904e\u671f\u6642\u9593\u904e\u77ed\uff1a<\/strong>\u5982\u679c\u9396\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u5f97\u904e\u77ed\uff0c\u800c\u57f7\u884c\u7684\u64cd\u4f5c\u9700\u8981\u7684\u6642\u9593\u8d85\u904e\u4e86\u9019\u500b\u904e\u671f\u6642\u9593\uff0c\u5247\u9396\u6703\u81ea\u52d5\u91cb\u653e\uff0c\u5c0e\u81f4\u5176\u4ed6\u9032\u7a0b\u53ef\u4ee5\u7372\u53d6\u9396\uff0c\u5f9e\u800c\u5f15\u767c\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/li>\n<li><strong>\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u7db2\u7d61\u5ef6\u9072\u53ef\u80fd\u5c0e\u81f4\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u51fa\u73fe\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u9ad8\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u9032\u7a0b\u5d29\u6f70\uff1a<\/strong>\u5982\u679c\u6301\u6709\u9396\u7684\u9032\u7a0b\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u5d29\u6f70\uff0c\u9396\u5c07\u7121\u6cd5\u88ab\u91cb\u653e\uff0c\u9019\u6703\u5c0e\u81f4\u5176\u4ed6\u9032\u7a0b\u7121\u6cd5\u7372\u53d6\u9396\uff0c\u5f9e\u800c\u9020\u6210\u6b7b\u9396\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e9%8e%96%e5%a4%b1%e6%95%88%e5%95%8f%e9%a1%8c%e7%9a%84%e6%96%b9%e6%b3%95-JIFBgZrtkw\">\u89e3\u6c7a\u9396\u5931\u6548\u554f\u984c\u7684\u65b9\u6cd5<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u4e0a\u8ff0\u9396\u5931\u6548\u554f\u984c\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8redlock%e7%ae%97%e6%b3%95-JIFBgZrtkw\">1. \u4f7f\u7528Redlock\u7b97\u6cd5<\/h3>\n<p>Redlock\u662f\u4e00\u7a2e\u7531Redis\u5275\u59cb\u4ebaAntirez\u63d0\u51fa\u7684\u5206\u4f48\u5f0f\u9396\u7b97\u6cd5\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<pre><code>\n1. \u7372\u53d6\u7576\u524d\u6642\u9593\u3002\n2. \u5728N\u500bRedis\u5be6\u4f8b\u4e0a\u4f9d\u6b21\u8a2d\u7f6e\u9396\uff0c\u4e26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\n3. \u5982\u679c\u5728\u5927\u591a\u6578\u5be6\u4f8b\u4e0a\u6210\u529f\u7372\u53d6\u9396\uff0c\u5247\u8a8d\u70ba\u7372\u53d6\u9396\u6210\u529f\u3002\n4. \u5982\u679c\u7372\u53d6\u9396\u5931\u6557\uff0c\u5247\u91cb\u653e\u5df2\u7372\u53d6\u7684\u9396\u3002\n<\/code><\/pre>\n<h3 id=\"2-%e5%bb%b6%e9%95%b7%e9%8e%96%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-JIFBgZrtkw\">2. \u5ef6\u9577\u9396\u7684\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5728\u57f7\u884c\u9577\u6642\u9593\u64cd\u4f5c\u6642\uff0c\u53ef\u4ee5\u5b9a\u671f\u5ef6\u9577\u9396\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u5fc3\u8df3\u6a5f\u5236\u4f86\u5be6\u73fe\uff0c\u78ba\u4fdd\u5728\u64cd\u4f5c\u5b8c\u6210\u4e4b\u524d\uff0c\u9396\u4e0d\u6703\u88ab\u91cb\u653e\u3002<\/p>\n<pre><code>\nSET lock_key \"lock_value\" EX 30 NX\n\/\/ \u6bcf\u969410\u79d2\u5ef6\u9577\u4e00\u6b21\u9396\u7684\u904e\u671f\u6642\u9593\nEXPIRE lock_key 30\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8lua%e8%85%b3%e6%9c%ac%e5%8e%9f%e5%ad%90%e6%93%8d%e4%bd%9c-JIFBgZrtkw\">3. \u4f7f\u7528Lua\u8173\u672c\u539f\u5b50\u64cd\u4f5c<\/h3>\n<p>Redis\u652f\u6301Lua\u8173\u672c\uff0c\u53ef\u4ee5\u5c07\u7372\u53d6\u9396\u548c\u91cb\u653e\u9396\u7684\u64cd\u4f5c\u5c01\u88dd\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u56e0\u70ba\u7db2\u7d61\u5ef6\u9072\u5c0e\u81f4\u7684\u9396\u5931\u6548\u554f\u984c\u3002<\/p>\n<pre><code>\nlocal lock_key = KEYS[1]\nlocal lock_value = ARGV[1]\nif redis.call(\"SETNX\", lock_key, lock_value) == 1 then\n    redis.call(\"EXPIRE\", lock_key, ARGV[2])\n    return 1\nelse\n    return 0\nend\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JIFBgZrtkw\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u9032\u884c\u9396\u7684\u7ba1\u7406\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\uff0c\u4f46\u958b\u767c\u8005\u9700\u8981\u6ce8\u610f\u9396\u5931\u6548\u554f\u984c\u3002\u901a\u904e\u63a1\u7528Redlock\u7b97\u6cd5\u3001\u5ef6\u9577\u9396\u7684\u904e\u671f\u6642\u9593\u4ee5\u53ca\u4f7f\u7528Lua\u8173\u672c\u9032\u884c\u539f\u5b50\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u5728\u4f7f\u7528Redis\u6642\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Redis\u89e3\u9396\u66f4\u52a0\u5b89\u5168\u53ef\u9760\uff0c\u89e3\u6c7a\u9396\u5931\u6548\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u9ad8\u6548\u6027\u80fd\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\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-184574","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184574","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=184574"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184574\/revisions"}],"predecessor-version":[{"id":184575,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184574\/revisions\/184575"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}