{"id":164379,"date":"2024-11-05T07:24:29","date_gmt":"2024-11-04T23:24:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/164379\/"},"modified":"2024-11-05T07:24:30","modified_gmt":"2024-11-04T23:24:30","slug":"%e7%b2%be%e7%b0%a1%e4%bd%a0%e7%9a%84redis%e7%b7%a9%e5%ad%98%e5%be%9e%e7%b4%a2%e5%bc%95%e8%a7%92%e5%ba%a6%e5%87%ba%e7%99%bc%ef%bc%88redis%e7%b7%a9%e5%ad%98%e7%b4%a2%e5%bc%95%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/164379\/","title":{"rendered":"\u7cbe\u7c21\u4f60\u7684Redis\u7de9\u5b58\u5f9e\u7d22\u5f15\u89d2\u5ea6\u51fa\u767c\uff08redis\u7de9\u5b58\u7d22\u5f15\uff09"},"content":{"rendered":"<h1 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id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e7%b2%be%e7%b0%a1redis%e7%b7%a9%e5%ad%98-nZbtlvtEGw\">\u70ba\u4ec0\u9ebc\u9700\u8981\u7cbe\u7c21Redis\u7de9\u5b58<\/h2>\n<p>\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u767c\u5c55\uff0c\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u91cf\u53ef\u80fd\u6703\u8fc5\u901f\u589e\u9577\u3002\u904e\u591a\u7684\u7de9\u5b58\u6578\u64da\u4e0d\u50c5\u6703\u4f54\u7528\u5bf6\u8cb4\u7684\u5167\u5b58\u8cc7\u6e90\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u6548\u7387\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u7cbe\u7c21Redis\u7de9\u5b58\u662f\u5fc5\u8981\u7684\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\uff0c\u9084\u80fd\u964d\u4f4e\u5167\u5b58\u4f7f\u7528\u6210\u672c\u3002<\/p>\n<h2 id=\"%e5%be%9e%e7%b4%a2%e5%bc%95%e8%a7%92%e5%ba%a6%e7%b2%be%e7%b0%a1redis%e7%b7%a9%e5%ad%98-nZbtlvtEGw\">\u5f9e\u7d22\u5f15\u89d2\u5ea6\u7cbe\u7c21Redis\u7de9\u5b58<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u7d22\u5f15\u7684\u8a2d\u8a08\u5c0d\u65bc\u6578\u64da\u7684\u5b58\u53d6\u901f\u5ea6\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u5f9e\u7d22\u5f15\u89d2\u5ea6\u7cbe\u7c21Redis\u7de9\u5b58\u7684\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%90%88%e9%81%a9%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-nZbtlvtEGw\">1. \u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb<\/h3>\n<p>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u6bcf\u7a2e\u7d50\u69cb\u90fd\u6709\u5176\u7279\u5b9a\u7684\u512a\u52e2\u548c\u52a3\u52e2\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u9700\u8981\u983b\u7e41\u67e5\u8a62\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u54c8\u5e0c\u8868\u4f86\u5b58\u5132\uff0c\u56e0\u70ba\u54c8\u5e0c\u8868\u7684\u67e5\u8a62\u6642\u9593\u8907\u96dc\u5ea6\u70baO(1)\u3002<\/p>\n<pre><code>HSET user:1000 name \"John Doe\"\nHGET user:1000 name\n<\/code><\/pre>\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-nZbtlvtEGw\">2. \u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u53ef\u4ee5\u81ea\u52d5\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002\u9019\u6a23\u4e0d\u50c5\u80fd\u91cb\u653e\u5167\u5b58\uff0c\u9084\u80fd\u78ba\u4fdd\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u662f\u6700\u65b0\u7684\u3002\u53ef\u4ee5\u6839\u64da\u6578\u64da\u7684\u4f7f\u7528\u983b\u7387\u548c\u91cd\u8981\u6027\u4f86\u8a2d\u7f6e\u4e0d\u540c\u7684\u904e\u671f\u6642\u9593\u3002<\/p>\n<pre><code>SETEX session:12345 3600 \"user_data\"\n<\/code><\/pre>\n<h3 id=\"3-%e5%af%a6%e6%96%bdlru%ef%bc%88%e6%9c%80%e8%bf%91%e6%9c%80%e5%b0%91%e4%bd%bf%e7%94%a8%ef%bc%89%e7%ad%96%e7%95%a5-nZbtlvtEGw\">3. \u5be6\u65bdLRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b56\u7565<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86LRU\u9a45\u9010\u7b56\u7565\uff0c\u9019\u610f\u5473\u8457\u7576\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0cRedis\u6703\u81ea\u52d5\u522a\u9664\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u6578\u64da\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7de9\u5b58\u4e2d\u4fdd\u7559\u7684\u662f\u6700\u5e38\u7528\u7684\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h3 id=\"4-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e7%84%a1%e7%94%a8%e6%95%b8%e6%93%9a-nZbtlvtEGw\">4. \u5b9a\u671f\u6e05\u7406\u7121\u7528\u6578\u64da<\/h3>\n<p>\u9664\u4e86\u81ea\u52d5\u904e\u671f\u548cLRU\u7b56\u7565\uff0c\u5b9a\u671f\u624b\u52d5\u6e05\u7406\u7121\u7528\u6578\u64da\u4e5f\u662f\u4e00\u500b\u597d\u7fd2\u6163\u3002\u53ef\u4ee5\u901a\u904e\u5206\u6790\u7de9\u5b58\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u627e\u51fa\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u4e26\u522a\u9664\u3002<\/p>\n<pre><code>DEL unused_key\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-nZbtlvtEGw\">\u7d50\u8ad6<\/h2>\n<p>\u7cbe\u7c21Redis\u7de9\u5b58\u4e0d\u50c5\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u9084\u80fd\u6709\u6548\u7ba1\u7406\u5167\u5b58\u8cc7\u6e90\u3002\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u3001\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u3001\u5be6\u65bdLRU\u7b56\u7565\u4ee5\u53ca\u5b9a\u671f\u6e05\u7406\u7121\u7528\u6578\u64da\uff0c\u53ef\u4ee5\u5f9e\u7d22\u5f15\u7684\u89d2\u5ea6\u512a\u5316Redis\u7de9\u5b58\u3002\u9019\u4e9b\u7b56\u7565\u4e0d\u50c5\u9069\u7528\u65bc\u5c0f\u578b\u61c9\u7528\uff0c\u4e5f\u80fd\u5728\u5927\u578b\u7cfb\u7d71\u4e2d\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u4f60\u7684\u7de9\u5b58\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u4f60\u7684Redis\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u4f60\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u64f4\u5c55\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5f9e\u7d22\u5f15\u89d2\u5ea6\u7cbe\u7c21Redis\u7de9\u5b58\uff0c\u63d0\u9ad8\u6027\u80fd\u8207\u6548\u7387\uff0c\u512a\u5316\u6578\u64da\u5b58\u53d6\u8207\u7ba1\u7406\u7b56\u7565\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-164379","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164379","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=164379"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164379\/revisions"}],"predecessor-version":[{"id":164380,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164379\/revisions\/164380"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=164379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=164379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=164379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}