{"id":195063,"date":"2024-11-13T11:53:22","date_gmt":"2024-11-13T03:53:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195063\/"},"modified":"2024-11-13T11:53:23","modified_gmt":"2024-11-13T03:53:23","slug":"%e5%84%aa%e5%8c%96redis%e7%b7%a9%e5%ad%98%e6%9b%b4%e6%96%b0%e5%af%a6%e7%8f%be%e6%a8%a1%e5%bc%8f%ef%bc%88redis%e7%b7%a9%e5%ad%98%e6%9b%b4%e6%96%b0%e6%a8%a1%e5%bc%8f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195063\/","title":{"rendered":"\u512a\u5316Redis\u7de9\u5b58\u66f4\u65b0\u5be6\u73fe\u6a21\u5f0f\uff08redis\u7de9\u5b58\u66f4\u65b0\u6a21\u5f0f\uff09"},"content":{"rendered":"<h1 id=\"%e5%84%aa%e5%8c%96redis%e7%b7%a9%e5%ad%98%e6%9b%b4%e6%96%b0%e5%af%a6%e7%8f%be%e6%a8%a1%e5%bc%8f%ef%bc%88redis%e7%b7%a9%e5%ad%98%e6%9b%b4%e6%96%b0%e6%a8%a1%e5%bc%8f%ef%bc%89-WNlDWxETxZ\">\u512a\u5316Redis\u7de9\u5b58\u66f4\u65b0\u5be6\u73fe\u6a21\u5f0f\uff08redis\u7de9\u5b58\u66f4\u65b0\u6a21\u5f0f\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\u5df2\u7d93\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u5176\u5feb\u901f\u7684\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u80fd\u529b\u4f7f\u5f97Redis\u6210\u70ba\u63d0\u5347\u61c9\u7528\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\u3002\u7136\u800c\uff0c\u5982\u4f55\u6709\u6548\u5730\u66f4\u65b0Redis\u7de9\u5b58\uff0c\u4e26\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u537b\u662f\u4e00\u500b\u503c\u5f97\u6df1\u5165\u63a2\u8a0e\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u512a\u5316Redis\u7de9\u5b58\u66f4\u65b0\u7684\u5be6\u73fe\u6a21\u5f0f\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u7de9\u5b58\u3002<\/p>\n<h2 id=\"1-%e7%b7%a9%e5%ad%98%e6%9b%b4%e6%96%b0%e7%ad%96%e7%95%a5%e6%a6%82%e8%bf%b0-WNlDWxETxZ\">1. \u7de9\u5b58\u66f4\u65b0\u7b56\u7565\u6982\u8ff0<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u6642\uff0c\u4e3b\u8981\u6709\u4e09\u7a2e\u66f4\u65b0\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u52d5\u66f4\u65b0\uff08Write-Through\uff09<\/strong>\uff1a\u6bcf\u7576\u6578\u64da\u88ab\u5beb\u5165\u6642\uff0c\u540c\u6642\u66f4\u65b0\u7de9\u5b58\u548c\u6578\u64da\u5eab\u3002\u9019\u7a2e\u65b9\u5f0f\u4fdd\u8b49\u4e86\u7de9\u5b58\u548c\u6578\u64da\u5eab\u7684\u4e00\u81f4\u6027\uff0c\u4f46\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li><strong>\u88ab\u52d5\u66f4\u65b0\uff08Lazy-Loading\uff09<\/strong>\uff1a\u7576\u6578\u64da\u88ab\u8acb\u6c42\u6642\uff0c\u5982\u679c\u7de9\u5b58\u4e2d\u4e0d\u5b58\u5728\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u4e26\u66f4\u65b0\u7de9\u5b58\u3002\u9019\u7a2e\u65b9\u5f0f\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u5beb\u5165\uff0c\u4f46\u53ef\u80fd\u5c0e\u81f4\u9996\u6b21\u8acb\u6c42\u7684\u5ef6\u9072\u3002<\/li>\n<li><strong>\u5b9a\u6642\u66f4\u65b0\uff08Time-Based Expiration\uff09<\/strong>\uff1a\u8a2d\u7f6e\u7de9\u5b58\u7684\u904e\u671f\u6642\u9593\uff0c\u5b9a\u671f\u81ea\u52d5\u66f4\u65b0\u7de9\u5b58\u3002\u9019\u7a2e\u65b9\u5f0f\u9069\u5408\u65bc\u6578\u64da\u8b8a\u5316\u4e0d\u983b\u7e41\u7684\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e4%b8%bb%e5%8b%95%e6%9b%b4%e6%96%b0%e6%a8%a1%e5%bc%8f-WNlDWxETxZ\">2. \u4e3b\u52d5\u66f4\u65b0\u6a21\u5f0f<\/h2>\n<p>\u4e3b\u52d5\u66f4\u65b0\u6a21\u5f0f\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u7576\u6578\u64da\u88ab\u4fee\u6539\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u78ba\u4fdd\u540c\u6642\u66f4\u65b0Redis\u7de9\u5b58\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>function updateData($id, $newData) {\n    \/\/ \u66f4\u65b0\u6578\u64da\u5eab\n    $db-&gt;update('table', $newData, ['id' =&gt; $id]);\n    \n    \/\/ \u66f4\u65b0Redis\u7de9\u5b58\n    $redis-&gt;set('data:' . $id, json_encode($newData));\n}\n<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u5f0f\u96d6\u7136\u80fd\u5920\u4fdd\u8b49\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u4f46\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u56e0\u6b64\uff0c\u958b\u767c\u8005\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9078\u64c7\u5408\u9069\u7684\u66f4\u65b0\u7b56\u7565\u3002<\/p>\n<h2 id=\"3-%e8%a2%ab%e5%8b%95%e6%9b%b4%e6%96%b0%e6%a8%a1%e5%bc%8f-WNlDWxETxZ\">3. \u88ab\u52d5\u66f4\u65b0\u6a21\u5f0f<\/h2>\n<p>\u88ab\u52d5\u66f4\u65b0\u6a21\u5f0f\u7684\u512a\u52e2\u5728\u65bc\u6e1b\u5c11\u4e86\u4e0d\u5fc5\u8981\u7684\u5beb\u5165\u64cd\u4f5c\uff0c\u9069\u5408\u65bc\u8b80\u53d6\u983b\u7e41\u800c\u5beb\u5165\u8f03\u5c11\u7684\u5834\u666f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>function getData($id) {\n    \/\/ \u5617\u8a66\u5f9eRedis\u7de9\u5b58\u4e2d\u7372\u53d6\u6578\u64da\n    $cachedData = $redis-&gt;get('data:' . $id);\n    \n    if ($cachedData) {\n        return json_decode($cachedData, true);\n    } else {\n        \/\/ \u5982\u679c\u7de9\u5b58\u4e2d\u4e0d\u5b58\u5728\uff0c\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\n        $data = $db-&gt;select('table', '*', ['id' =&gt; $id]);\n        \n        \/\/ \u66f4\u65b0\u7de9\u5b58\n        $redis-&gt;set('data:' . $id, json_encode($data));\n        \n        return $data;\n    }\n}\n<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u5f0f\u96d6\u7136\u80fd\u5920\u63d0\u9ad8\u8b80\u53d6\u6027\u80fd\uff0c\u4f46\u5728\u6578\u64da\u66f4\u65b0\u983b\u7e41\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u904e\u6642\u3002<\/p>\n<h2 id=\"4-%e5%ae%9a%e6%99%82%e6%9b%b4%e6%96%b0%e6%a8%a1%e5%bc%8f-WNlDWxETxZ\">4. \u5b9a\u6642\u66f4\u65b0\u6a21\u5f0f<\/h2>\n<p>\u5b9a\u6642\u66f4\u65b0\u6a21\u5f0f\u9069\u5408\u65bc\u6578\u64da\u8b8a\u5316\u4e0d\u983b\u7e41\u7684\u5834\u666f\u3002\u958b\u767c\u8005\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u5b9a\u6642\u4efb\u52d9\uff0c\u5b9a\u671f\u66f4\u65b0\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>function refreshCache() {\n    $data = $db-&gt;select('table', '*');\n    \n    foreach ($data as $item) {\n        $redis-&gt;set('data:' . $item['id'], json_encode($item));\n    }\n}\n\n\/\/ \u8a2d\u7f6e\u5b9a\u6642\u4efb\u52d9\uff0c\u6bcf\u5c0f\u6642\u57f7\u884c\u4e00\u6b21\nset_time_limit(0);\nwhile (true) {\n    refreshCache();\n    sleep(3600); \/\/ \u6bcf3600\u79d2\u57f7\u884c\u4e00\u6b21\n}\n<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u5f0f\u80fd\u5920\u4fdd\u8b49\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u76f8\u5c0d\u65b0\u9bae\uff0c\u4f46\u53ef\u80fd\u6703\u5c0e\u81f4\u5728\u66f4\u65b0\u9593\u9694\u5167\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/p>\n<h2 id=\"5-%e7%b5%90%e8%ab%96-WNlDWxETxZ\">5. \u7d50\u8ad6<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684Redis\u7de9\u5b58\u66f4\u65b0\u6a21\u5f0f\u5c0d\u65bc\u63d0\u5347\u61c9\u7528\u6027\u80fd\u548c\u6578\u64da\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u958b\u767c\u8005\u61c9\u6839\u64da\u5177\u9ad4\u7684\u696d\u52d9\u9700\u6c42\u548c\u6578\u64da\u7279\u6027\uff0c\u9078\u64c7\u6700\u9069\u5408\u7684\u66f4\u65b0\u7b56\u7565\u3002\u7121\u8ad6\u662f\u4e3b\u52d5\u66f4\u65b0\u3001\u88ab\u52d5\u66f4\u65b0\u9084\u662f\u5b9a\u6642\u66f4\u65b0\uff0c\u6bcf\u7a2e\u6a21\u5f0f\u90fd\u6709\u5176\u512a\u7f3a\u9ede\uff0c\u5408\u7406\u7684\u7d44\u5408\u4f7f\u7528\u5c07\u80fd\u5920\u9054\u5230\u6700\u4f73\u6548\u679c\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bcVPS\u548c\u4f3a\u670d\u5668\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e\u9999\u6e2fVPS\u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u63d0\u5347\u696d\u52d9\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7de9\u5b58\u66f4\u65b0\u5be6\u73fe\u6a21\u5f0f\uff0c\u63d0\u5347\u6578\u64da\u4e00\u81f4\u6027\u8207\u6027\u80fd\uff0c\u512a\u5316\u7de9\u5b58\u7b56\u7565\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\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-195063","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195063","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=195063"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195063\/revisions"}],"predecessor-version":[{"id":195064,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195063\/revisions\/195064"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}