{"id":126169,"date":"2024-10-26T02:29:28","date_gmt":"2024-10-25T18:29:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126169\/"},"modified":"2024-10-26T02:29:29","modified_gmt":"2024-10-25T18:29:29","slug":"redis-%e9%9d%88%e6%b4%bb%e7%9a%84%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%e6%8f%90%e9%ab%98%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%95%88%e7%8e%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126169\/","title":{"rendered":"Redis \u9748\u6d3b\u7684\u904e\u671f\u7b56\u7565\u63d0\u9ad8\u591a\u7dda\u7a0b\u6548\u7387"},"content":{"rendered":"<h1 id=\"redis-%e9%9d%88%e6%b4%bb%e7%9a%84%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%e6%8f%90%e9%ab%98%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%95%88%e7%8e%87-WDTFNnOWcq\">Redis \u9748\u6d3b\u7684\u904e\u671f\u7b56\u7565\u63d0\u9ad8\u591a\u7dda\u7a0b\u6548\u7387<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u5176\u9748\u6d3b\u7684\u904e\u671f\u7b56\u7565\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u904e\u671f\u7b56\u7565\u5982\u4f55\u63d0\u9ad8\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u6548\u7387\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%e6%a6%82%e8%bf%b0-WDTFNnOWcq\">Redis \u7684\u904e\u671f\u7b56\u7565\u6982\u8ff0<\/h2>\n<p>Redis \u5141\u8a31\u7528\u6236\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u610f\u5473\u8457\u5728\u6307\u5b9a\u7684\u6642\u9593\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u7279\u6027\u5c0d\u65bc\u7ba1\u7406\u7de9\u5b58\u6578\u64da\u3001\u6703\u8a71\u4fe1\u606f\u7b49\u975e\u5e38\u6709\u7528\u3002Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u904e\u671f\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u522a\u9664\uff1a<\/strong>Redis \u6703\u5b9a\u671f\u6aa2\u67e5\u4e26\u522a\u9664\u904e\u671f\u7684\u9375\uff0c\u9019\u901a\u5e38\u662f\u6bcf 100 \u6beb\u79d2\u9032\u884c\u4e00\u6b21\u3002<\/li>\n<li><strong>\u60f0\u6027\u522a\u9664\uff1a<\/strong>\u7576\u7528\u6236\u8a2a\u554f\u4e00\u500b\u9375\u6642\uff0cRedis \u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\uff0c\u5982\u679c\u904e\u671f\u5247\u522a\u9664\u3002<\/li>\n<\/ul>\n<p>\u9019\u5169\u7a2e\u7b56\u7565\u7684\u7d50\u5408\u4f7f\u5f97 Redis \u80fd\u5920\u5728\u9ad8\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\u4ecd\u7136\u4fdd\u6301\u826f\u597d\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e7%92%b0%e5%a2%83%e4%b8%ad%e7%9a%84%e6%95%88%e7%8e%87%e6%8f%90%e5%8d%87-WDTFNnOWcq\">\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u6548\u7387\u63d0\u5347<\/h2>\n<p>\u5728\u591a\u7dda\u7a0b\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u7d93\u5e38\u540c\u6642\u767c\u751f\u3002Redis \u7684\u904e\u671f\u7b56\u7565\u80fd\u5920\u6709\u6548\u5730\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u8655\u7406\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u5177\u9ad4\u7684\u4f8b\u5b50\uff1a<\/p>\n<h3 id=\"1-%e6%b8%9b%e5%b0%91%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8-WDTFNnOWcq\">1. \u6e1b\u5c11\u5167\u5b58\u4f7f\u7528<\/h3>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u7d93\u5e38\u6703\u51fa\u73fe\u5927\u91cf\u7684\u81e8\u6642\u6578\u64da\u3002\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0cRedis \u53ef\u4ee5\u81ea\u52d5\u6e05\u7406\u9019\u4e9b\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u5f9e\u800c\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET session:12345 \"user_data\" EX 300<\/code><\/pre>\n<p>\u9019\u884c\u4ee3\u78bc\u5c07\u6703\u8a71\u6578\u64da\u8a2d\u7f6e\u70ba 300 \u79d2\u5f8c\u904e\u671f\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\u4e0d\u6703\u4f54\u7528\u5167\u5b58\u3002<\/p>\n<h3 id=\"2-%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7-WDTFNnOWcq\">2. \u63d0\u9ad8\u6578\u64da\u4e00\u81f4\u6027<\/h3>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u901a\u904e\u4f7f\u7528\u904e\u671f\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u820a\u6578\u64da\u4e0d\u6703\u88ab\u591a\u500b\u7dda\u7a0b\u540c\u6642\u8a2a\u554f\u3002\u4f8b\u5982\uff0c\u7576\u4e00\u500b\u7dda\u7a0b\u66f4\u65b0\u6578\u64da\u6642\uff0c\u5176\u4ed6\u7dda\u7a0b\u53ef\u4ee5\u901a\u904e\u6aa2\u67e5\u904e\u671f\u6642\u9593\u4f86\u907f\u514d\u8b80\u53d6\u904e\u671f\u7684\u6578\u64da\u3002<\/p>\n<pre><code>if (EXISTS key) {\n    \/\/ \u8b80\u53d6\u6578\u64da\n} else {\n    \/\/ \u6578\u64da\u5df2\u904e\u671f\uff0c\u57f7\u884c\u5176\u4ed6\u64cd\u4f5c\n}<\/code><\/pre>\n<h3 id=\"3-%e9%99%8d%e4%bd%8e%e9%8e%96%e7%ab%b6%e7%88%ad-WDTFNnOWcq\">3. \u964d\u4f4e\u9396\u7af6\u722d<\/h3>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u9396\u7684\u7af6\u722d\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u901a\u904e\u4f7f\u7528\u904e\u671f\u9375\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u9396\u7684\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 Redis \u7684\u904e\u671f\u9375\u4f86\u63a7\u5236\u8cc7\u6e90\u7684\u8a2a\u554f\uff1a<\/p>\n<pre><code>SET resource_lock \"locked\" EX 60<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u5373\u4f7f\u67d0\u500b\u7dda\u7a0b\u56e0\u6545\u969c\u672a\u80fd\u91cb\u653e\u9396\uff0c\u5176\u4ed6\u7dda\u7a0b\u4e5f\u80fd\u5728 60 \u79d2\u5f8c\u81ea\u52d5\u7372\u5f97\u8a2a\u554f\u6b0a\u9650\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-WDTFNnOWcq\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u9748\u6d3b\u904e\u671f\u7b56\u7565\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u63d0\u4f9b\u4e86\u986f\u8457\u7684\u6548\u7387\u63d0\u5347\u3002\u901a\u904e\u81ea\u52d5\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3001\u63d0\u9ad8\u6578\u64da\u4e00\u81f4\u6027\u4ee5\u53ca\u964d\u4f4e\u9396\u7af6\u722d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u8cc7\u6e90\u548c\u6578\u64da\u3002\u9019\u4e9b\u7279\u6027\u4f7f\u5f97 Redis \u6210\u70ba\u9ad8\u6027\u80fd\u61c9\u7528\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c Redis\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u5be6\u73fe\u6700\u4f73\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u9748\u6d3b\u7684\u904e\u671f\u7b56\u7565\uff0c\u5982\u4f55\u63d0\u5347\u591a\u7dda\u7a0b\u6548\u7387\uff0c\u512a\u5316\u8cc7\u6e90\u7ba1\u7406\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u6578\u64da\u8655\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-126169","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126169","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=126169"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126169\/revisions"}],"predecessor-version":[{"id":126170,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126169\/revisions\/126170"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}