{"id":163491,"date":"2024-11-04T23:57:27","date_gmt":"2024-11-04T15:57:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163491\/"},"modified":"2024-11-04T23:57:28","modified_gmt":"2024-11-04T15:57:28","slug":"%e8%a7%a3%e6%b1%baredis%e7%b7%a9%e5%ad%98%e5%bb%b6%e6%9c%9f%e5%95%8f%e9%a1%8c%ef%bc%88redis%e7%b7%a9%e5%ad%98%e5%bb%b6%e6%9c%9f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163491\/","title":{"rendered":"\u89e3\u6c7aRedis\u7de9\u5b58\u5ef6\u671f\u554f\u984c\uff08redis\u7de9\u5b58\u5ef6\u671f\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%b1%baredis%e7%b7%a9%e5%ad%98%e5%bb%b6%e6%9c%9f%e5%95%8f%e9%a1%8c%ef%bc%88redis%e7%b7%a9%e5%ad%98%e5%bb%b6%e6%9c%9f%ef%bc%89-UCLjcNlcyk\">\u89e3\u6c7aRedis\u7de9\u5b58\u5ef6\u671f\u554f\u984c\uff08redis\u7de9\u5b58\u5ef6\u671f\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u7136\u800c\uff0c\u96a8\u8457\u4f7f\u7528\u7684\u589e\u9577\uff0c\u8a31\u591a\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u958b\u59cb\u9762\u81e8Redis\u7de9\u5b58\u5ef6\u671f\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7de9\u5b58\u5ef6\u671f\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e7%b7%a9%e5%ad%98%e5%bb%b6%e6%9c%9f%ef%bc%9f-UCLjcNlcyk\">\u4ec0\u9ebc\u662fRedis\u7de9\u5b58\u5ef6\u671f\uff1f<\/h2>\n<p>Redis\u7de9\u5b58\u5ef6\u671f\u662f\u6307\u5728\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u6642\uff0c\u67d0\u4e9b\u6578\u64da\u7684\u904e\u671f\u6642\u9593\u672a\u80fd\u5982\u9810\u671f\u90a3\u6a23\u751f\u6548\uff0c\u5c0e\u81f4\u904e\u671f\u7684\u6578\u64da\u4ecd\u7136\u88ab\u4f7f\u7528\u3002\u9019\u7a2e\u60c5\u6cc1\u53ef\u80fd\u6703\u5f71\u97ff\u61c9\u7528\u7684\u6027\u80fd\u548c\u6578\u64da\u7684\u6e96\u78ba\u6027\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u3002<\/p>\n<h2 id=\"redis%e7%b7%a9%e5%ad%98%e5%bb%b6%e6%9c%9f%e7%9a%84%e5%8e%9f%e5%9b%a0-UCLjcNlcyk\">Redis\u7de9\u5b58\u5ef6\u671f\u7684\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u904e\u671f\u7b56\u7565\u8a2d\u5b9a\u4e0d\u7576\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u904e\u671f\u7b56\u7565\uff0c\u5982\u5b9a\u671f\u522a\u9664\u548c\u60f0\u6027\u522a\u9664\u3002\u5982\u679c\u9019\u4e9b\u7b56\u7565\u672a\u80fd\u6b63\u78ba\u914d\u7f6e\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u904e\u671f\u6578\u64da\u672a\u88ab\u53ca\u6642\u6e05\u9664\u3002<\/li>\n<li><strong>\u9ad8\u4e26\u767c\u8acb\u6c42\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u591a\u500b\u8acb\u6c42\u540c\u6642\u8a2a\u554f\u540c\u4e00\u500b\u7de9\u5b58\u9375\uff0c\u5c0e\u81f4\u904e\u671f\u6578\u64da\u88ab\u91cd\u8907\u8b80\u53d6\u3002<\/li>\n<li><strong>\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u7db2\u7d61\u5ef6\u9072\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u672a\u80fd\u53ca\u6642\u7372\u53d6\u6700\u65b0\u7684\u6578\u64da\uff0c\u5f9e\u800c\u4f7f\u7528\u4e86\u904e\u671f\u7684\u7de9\u5b58\u3002<\/li>\n<li><strong>\u61c9\u7528\u908f\u8f2f\u932f\u8aa4\uff1a<\/strong>\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u7684\u908f\u8f2f\u672a\u80fd\u6b63\u78ba\u8655\u7406\u7de9\u5b58\u7684\u904e\u671f\u60c5\u6cc1\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u4f7f\u7528\u904e\u671f\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%baredis%e7%b7%a9%e5%ad%98%e5%bb%b6%e6%9c%9f%e7%9a%84%e6%96%b9%e6%a1%88-UCLjcNlcyk\">\u89e3\u6c7aRedis\u7de9\u5b58\u5ef6\u671f\u7684\u65b9\u6848<\/h2>\n<h3 id=\"1-%e6%ad%a3%e7%a2%ba%e9%85%8d%e7%bd%ae%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5-UCLjcNlcyk\">1. \u6b63\u78ba\u914d\u7f6e\u904e\u671f\u7b56\u7565<\/h3>\n<p>\u78ba\u4fddRedis\u7684\u904e\u671f\u7b56\u7565\u914d\u7f6e\u6b63\u78ba\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE key seconds<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u6307\u5b9a\u7684\u79d2\u6578\u5f8c\uff0c\u81ea\u52d5\u522a\u9664\u8a72\u9375\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e7%89%88%e6%9c%ac%e8%99%9f%e6%88%96%e6%99%82%e9%96%93%e6%88%b3-UCLjcNlcyk\">2. \u4f7f\u7528\u7248\u672c\u865f\u6216\u6642\u9593\u6233<\/h3>\n<p>\u5728\u7de9\u5b58\u4e2d\u5b58\u5132\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u7248\u672c\u865f\u6216\u6642\u9593\u6233\u4f86\u6a19\u8b58\u6578\u64da\u7684\u6709\u6548\u6027\u3002\u7576\u6578\u64da\u66f4\u65b0\u6642\uff0c\u66f4\u65b0\u7248\u672c\u865f\u6216\u6642\u9593\u6233\uff0c\u4e26\u5728\u8b80\u53d6\u6642\u6aa2\u67e5\u5176\u6709\u6548\u6027\u3002<\/p>\n<pre><code>if (cache.timestamp &lt; current_time) {\n    \/\/ \u91cd\u65b0\u52a0\u8f09\u6578\u64da\n}<\/code><\/pre>\n<h3 id=\"3-%e5%af%a6%e6%96%bd%e7%b7%a9%e5%ad%98%e7%a9%bf%e9%80%8f%e5%92%8c%e6%93%8a%e7%a9%bf%e7%ad%96%e7%95%a5-UCLjcNlcyk\">3. \u5be6\u65bd\u7de9\u5b58\u7a7f\u900f\u548c\u64ca\u7a7f\u7b56\u7565<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u9ad8\u4e26\u767c\u8acb\u6c42\u5c0e\u81f4\u7684\u7de9\u5b58\u7a7f\u900f\uff0c\u53ef\u4ee5\u5be6\u65bd\u7de9\u5b58\u7a7f\u900f\u548c\u64ca\u7a7f\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u9396\u6a5f\u5236\u4f86\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u5167\u53ea\u6709\u4e00\u500b\u8acb\u6c42\u80fd\u5920\u67e5\u8a62\u6578\u64da\uff0c\u5176\u4ed6\u8acb\u6c42\u5247\u7b49\u5f85\u3002<\/p>\n<pre><code>if (cache.exists(key)) {\n    return cache.get(key);\n} else {\n    lock.acquire();\n    \/\/ \u91cd\u65b0\u67e5\u8a62\u6578\u64da\n    lock.release();\n}<\/code><\/pre>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e6%97%a5%e8%aa%8c%e8%a8%98%e9%8c%84-UCLjcNlcyk\">4. \u76e3\u63a7\u548c\u65e5\u8a8c\u8a18\u9304<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7Redis\u7684\u6027\u80fd\u6307\u6a19\uff0c\u4e26\u8a18\u9304\u65e5\u8a8c\u4ee5\u4fbf\u65bc\u6392\u67e5\u554f\u984c\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u5167\u5efa\u547d\u4ee4\uff0c\u5982\uff1a<\/p>\n<pre><code>INFO<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u7372\u53d6Redis\u7684\u904b\u884c\u72c0\u614b\uff0c\u5e6b\u52a9\u8b58\u5225\u6f5b\u5728\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-UCLjcNlcyk\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7de9\u5b58\u5ef6\u671f\u554f\u984c\u53ef\u80fd\u6703\u5c0d\u61c9\u7528\u7684\u6027\u80fd\u548c\u6578\u64da\u6e96\u78ba\u6027\u9020\u6210\u5f71\u97ff\u3002\u901a\u904e\u6b63\u78ba\u914d\u7f6e\u904e\u671f\u7b56\u7565\u3001\u4f7f\u7528\u7248\u672c\u865f\u6216\u6642\u9593\u6233\u3001\u5be6\u65bd\u7de9\u5b58\u7a7f\u900f\u548c\u64ca\u7a7f\u7b56\u7565\uff0c\u4ee5\u53ca\u5b9a\u671f\u76e3\u63a7\u548c\u65e5\u8a8c\u8a18\u9304\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\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\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aRedis\u7de9\u5b58\u5ef6\u671f\u554f\u984c\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\uff0c\u512a\u5316\u7de9\u5b58\u7b56\u7565\uff0c\u907f\u514d\u904e\u671f\u6578\u64da\u5f71\u97ff\u61c9\u7528\u904b\u884c\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-163491","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163491","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=163491"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163491\/revisions"}],"predecessor-version":[{"id":163492,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163491\/revisions\/163492"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}