{"id":201216,"date":"2025-05-10T09:25:37","date_gmt":"2025-05-10T01:25:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201216\/"},"modified":"2025-05-10T09:25:37","modified_gmt":"2025-05-10T01:25:37","slug":"redis%e7%bc%93%e5%ad%98%e5%b8%b8%e7%94%a84%e7%a7%8d%e7%ad%96%e7%95%a5%e5%8e%9f%e7%90%86%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201216\/","title":{"rendered":"Redis\u7f13\u5b58\u5e38\u75284\u79cd\u7b56\u7565\u539f\u7406\u8be6\u89e3"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Redis\u7f13\u5b58\u5e38\u75284\u79cd\u7b56\u7565\u539f\u7406\u8be6\u89e3<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6765\u5230golang\u5b66\u4e60\u7f51\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6570\u636e\u5e93\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aRedis\u7f13\u5b58\u5e38\u75284\u79cd\u7b56\u7565\u539f\u7406\u8be6\u89e3\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\u7b56\u7565\u3001redis\u7f13\u5b58\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p>\u6211\u4eec\u90fd\u77e5\u9053\uff0c\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u7684\u6700\u7b80\u5355\u4e5f\u6700\u6d41\u884c\u7684\u65b9\u6cd5\u4e4b\u4e00\u5176\u5b9e\u5c31\u662f\u4f7f\u7528\u7f13\u5b58\u3002\u6211\u4eec\u5f15\u5165\u7f13\u5b58\uff0c\u76f8\u5f53\u4e8e\u5bf9\u6570\u636e\u8fdb\u884c\u4e86\u590d\u5236\u3002\u6bcf\u5f53\u7cfb\u7edf\u6570\u636e\u66f4\u65b0\u65f6\uff0c\u4fdd\u6301\u7f13\u5b58\u548c\u6570\u636e\u6e90\uff08\u5982 MySQL \u6570\u636e\u5e93\uff09\u540c\u6b65\u81f3\u5173\u91cd\u8981\uff0c\u5f53\u7136\uff0c\u8fd9\u4e5f\u53d6\u51b3\u4e8e\u7cfb\u7edf\u672c\u8eab\u7684\u8981\u6c42\uff0c\u770b\u7cfb\u7edf\u662f\u5426\u5141\u8bb8\u4e00\u5b9a\u7684\u6570\u636e\u5ef6\u8fdf\u3002<\/p>\n<p>\u6700\u5e38\u89c1\u7684\u51e0\u79cd\u7f13\u5b58\u7b56\u7565\u3001\u5b83\u4eec\u7684\u4f18\u7f3a\u70b9\u4ee5\u53ca\u4f7f\u7528\u573a\u666f\uff0c\u5206\u522b\u662f\uff1a<\/p>\n<ul>\n<li>Cache-Aside<\/li>\n<li>Read-Through<\/li>\n<li>Write-Through<\/li>\n<li>Write-Behind<\/li>\n<\/ul>\n<p><span style=\"color: #ff0000\"><strong>Cache-Aside \u7b56\u7565<\/strong><\/span><\/p>\n<p>Cache-Aside\u53ef\u80fd\u662f\u6700\u5e38\u7528\u7684\u7f13\u5b58\u7b56\u7565\u3002\u5728\u8fd9\u79cd\u7b56\u7565\u4e0b\uff0c\u5e94\u7528\u7a0b\u5e8f(Application)\u4f1a\u4e0e\u7f13\u5b58(Cache)\u548c\u6570\u636e\u6e90(Data Source)\u8fdb\u884c\u901a\u4fe1\uff0c\u5e94\u7528\u7a0b\u5e8f\u4f1a\u5728\u547d\u4e2d\u6570\u636e\u6e90\u4e4b\u524d\u5148\u68c0\u67e5\u7f13\u5b58\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247725163affa43310be.png\" class=\"aligncenter\"><\/p>\n<p>\u6211\u4eec\u6765\u770b\u4e00\u6b21\u8bf7\u6c42\u6570\u636e\u7684\u8fc7\u7a0b\uff1a<\/p>\n<ul>\n<li>\u9996\u5148\uff0c\u5e94\u7528\u7a0b\u5e8f\u5148\u786e\u5b9a\u6570\u636e\u662f\u5426\u4fdd\u7559\u5728\u7f13\u5b58\u4e2d\uff1b<\/li>\n<li>\u5982\u679c\u6570\u636e\u5728\u7f13\u5b58\u4e2d\uff0c\u4e5f\u5373 Cache hit \uff0c\u79f0\u4f5c\u201c\u7f13\u5b58\u547d\u4e2d\u201d\u3002\u6570\u636e\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u8bfb\u53d6\u5e76\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\uff1b<\/li>\n<li>\u5982\u679c\u6570\u636e\u4e0d\u5728\u7f13\u5b58\u4e2d\uff0c\u4e5f\u5373 Cache miss\uff0c\u79f0\u4f5c\u201c\u7f13\u5b58\u672a\u547d\u4e2d\u201d\u3002\u5e94\u7528\u7a0b\u5e8f\u4f1a\u4ece\u6570\u636e\u5b58\u50a8\u7684\u5730\u65b9\uff0c\u5982 MySQL \u6570\u636e\u6e90\u4e2d\u8bfb\u53d6\u8be5\u6570\u636e\uff0c\u5e76\u5c06\u6570\u636e\u5b58\u50a8\u5728\u7f13\u5b58\u4e2d\uff0c\u7136\u540e\u5c06\u5176\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<\/ul>\n<p>Cache-Aside\u7b56\u7565\u7279\u522b\u9002\u5408\u201c\u8bfb\u591a\u201d\u7684\u5e94\u7528\u573a\u666f\u3002\u4f7f\u7528Cache Aside\u7b56\u7565\u7684\u7cfb\u7edf\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u62b5\u6297\u7f13\u5b58\u6545\u969c\u3002\u5982\u679c\u7f13\u5b58\u670d\u52a1\u53d1\u751f\u6545\u969c\uff0c\u7cfb\u7edf\u4ecd\u7136\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<p>\u7136\u800c\uff0c\u8fd9\u79cd\u7b56\u7565\u5e76\u4e0d\u80fd\u4fdd\u8bc1\u6570\u636e\u5b58\u50a8\u548c\u7f13\u5b58\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\uff0c\u9700\u8981\u914d\u5408\u4f7f\u7528\u5176\u5b83\u7b56\u7565\u6765\u66f4\u65b0\u6216\u4f7f\u7f13\u5b58\u65e0\u6548\u3002\u53e6\u5916\uff0c\u9996\u6b21\u8bf7\u6c42\u6570\u636e\u65f6\uff0c\u603b\u662f\u4f1a\u5bfc\u81f4\u7f13\u5b58\u672a\u547d\u4e2d\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u9700\u8981\u989d\u5916\u7684\u65f6\u95f4\u6765\u5c06\u6570\u636e\u52a0\u8f7d\u5230\u7f13\u5b58\u4e2d\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u901a\u8fc7\u624b\u52a8\u89e6\u53d1\u67e5\u8be2\u64cd\u4f5c\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u201c\u9884\u70ed\u201d\u3002<\/p>\n<p><span style=\"color: #ff0000\"><strong>Read-Through \u7b56\u7565<\/strong><\/span><\/p>\n<p>\u5728\u4e0a\u9762\u7684Cache-Aside\u7b56\u7565\u4e2d\uff0c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u4e0e\u7f13\u5b58\u548c\u6570\u636e\u6e90\u201c\u6253\u4ea4\u9053\u201d\uff0c\u800c\u5728Read-Through\u7b56\u7565\u4e0b\uff0c\u5e94\u7528\u7a0b\u5e8f\u65e0\u9700\u7ba1\u7406\u6570\u636e\u6e90\u548c\u7f13\u5b58\uff0c\u53ea\u9700\u8981\u5c06\u6570\u636e\u6e90\u7684\u540c\u6b65\u59d4\u6258\u7ed9\u7f13\u5b58\u63d0\u4f9b\u7a0b\u5e8fCache Provider\u5373\u53ef\u3002\u6240\u6709\u6570\u636e\u4ea4\u4e92\u90fd\u662f\u901a\u8fc7\u62bd\u8c61\u7f13\u5b58\u5c42\u5b8c\u6210\u7684\u3002<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247725163affa4389f57.png\" class=\"aligncenter\"><\/p>\n<p>\u5728\u8fdb\u884c\u5927\u91cf\u8bfb\u53d6\u65f6\uff0cRead-Through\u53ef\u4ee5\u51cf\u5c11\u6570\u636e\u6e90\u4e0a\u7684\u8d1f\u8f7d\uff0c\u4e5f\u5bf9\u7f13\u5b58\u670d\u52a1\u7684\u6545\u969c\u5177\u5907\u4e00\u5b9a\u7684\u5f39\u6027\u3002\u5982\u679c\u7f13\u5b58\u670d\u52a1\u6302\u4e86\uff0c\u5219\u7f13\u5b58\u63d0\u4f9b\u7a0b\u5e8f\u4ecd\u7136\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8f6c\u5230\u6570\u636e\u6e90\u6765\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<p>\u7136\u800c\uff0c\u9996\u6b21\u8bf7\u6c42\u6570\u636e\u65f6\uff0c\u603b\u662f\u4f1a\u5bfc\u81f4\u7f13\u5b58\u672a\u547d\u4e2d\uff0c\u5e76\u9700\u8981\u989d\u5916\u7684\u65f6\u95f4\u6765\u5c06\u6570\u636e\u52a0\u8f7d\u5230\u7f13\u5b58\u4e2d\uff0c\u76f8\u4fe1\u5927\u5bb6\u90fd\u77e5\u9053\u600e\u4e48\u5904\u7406\u4e86\u5427\uff0c\u8fd8\u662f\u201c\u7f13\u5b58\u9884\u70ed\u201d\u7684\u8001\u5957\u8def\u3002<\/p>\n<p>Read-Through\u9002\u7528\u4e8e\u591a\u6b21\u8bf7\u6c42\u76f8\u540c\u6570\u636e\u7684\u573a\u666f\u3002\u8fd9\u4e0eCache-Aside\u7b56\u7565\u975e\u5e38\u76f8\u4f3c\uff0c\u4f46\u662f\u4e8c\u8005\u8fd8\u662f\u5b58\u5728\u4e00\u4e9b\u5dee\u522b\uff0c\u8fd9\u91cc\u518d\u6b21\u5f3a\u8c03\u4e00\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5728Cache-Aside\u4e2d\uff0c\u5e94\u7528\u7a0b\u5e8f\u8d1f\u8d23\u4ece\u6570\u636e\u6e90\u4e2d\u83b7\u53d6\u6570\u636e\u5e76\u66f4\u65b0\u5230\u7f13\u5b58\u3002<\/li>\n<li>\u800c\u5728Read-Through\u4e2d\uff0c\u6b64\u903b\u8f91\u901a\u5e38\u662f\u7531\u72ec\u7acb\u7684\u7f13\u5b58\u63d0\u4f9b\u7a0b\u5e8f\u652f\u6301\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Redis\u7f13\u5b58\u5e38\u75284\u79cd\u7b56\u7565\u539f\u7406\u8be6&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201216","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201216","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201216"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201216\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}