{"id":237280,"date":"2020-12-31T20:51:56","date_gmt":"2020-12-31T12:51:56","guid":{"rendered":"http:\/\/4563.org\/?p=237280"},"modified":"2020-12-31T20:51:56","modified_gmt":"2020-12-31T12:51:56","slug":"%e6%88%91%e6%b2%a1%e5%95%a5%e9%ab%98%e5%b9%b6%e5%8f%91%e9%a1%b9%e7%9b%ae%e7%bb%8f%e9%aa%8c%ef%bc%8c%e4%bd%86%e6%98%af%e9%9d%a2%e8%af%95%e7%9a%84%e6%97%b6%e5%80%99%e7%bb%8f%e5%b8%b8%e9%97%ae%e5%88%b0","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=237280","title":{"rendered":"\u6211\u6ca1\u5565\u9ad8\u5e76\u53d1\u9879\u76ee\u7ecf\u9a8c\uff0c\u4f46\u662f\u9762\u8bd5\u7684\u65f6\u5019\u7ecf\u5e38\u95ee\u5230\u9ad8\u5e76\u53d1\u3001\u6027\u80fd\u8c03\u4f18\u65b9\u9762\u7684\u7ecf\u9a8c\uff0c\u6709\u5565\u597d\u529e\u6cd5\u4e48\uff1f"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  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\/\u6027\u80fd\u8c03\u4f18\u7684\u9898\u76ee\uff1a<\/p>\n<blockquote>\n<p>\u5b57\u8282\u8df3\u52a8\u540e\u7aef\u4e00\u9762\uff1a\u8bf4\u4e00\u8bf4\u6dd8\u5b9d\u7cfb\u7edf\u5982\u4f55\u5904\u7406\u9ad8\u5e76\u53d1\u4e0b\u5ba2\u6237\u8bf7\u6c42 \u5c0f\u7c73\u5927\u6570\u636e\u5f00\u53d1\u4e8c\u9762\uff1a\u9ad8\u5e76\u53d1\u4e2d concurrenthashmap \u548c hashmapd \u7684\u533a\u522b \u963f\u91cc\u5df4\u5df4 Java \u5de5\u7a0b\u5e08\u4e8c\u9762\uff1a\u5982\u4f55\u8bbe\u8ba1\u53cc 11 \u4ea4\u6613\u603b\u989d\u9762\u677f\uff0c\u8981\u505a\u5230\u9ad8\u5e76\u53d1\u9ad8\u53ef\u7528\uff1f Shopee \u540e\u53f0\u5f00\u53d1\u4e00\u9762\uff1a\u9ad8\u5e76\u53d1\u79d2\u6740\u9879\u76ee\u600e\u4e48\u4fdd\u8bc1\u4e0d\u4f1a\u8d85\u5356\uff1f \u767e\u5ea6\u6d4b\u8bd5\u5f00\u53d1\u5de5\u7a0b\u5e08\u4e09\u9762\uff1a\u662f\u5426\u4e86\u89e3 jvm \u8c03\u4f18\uff0c\u662f\u5426\u6709\u5728\u81ea\u5df1\u7684\u9879\u76ee\u4e2d\u8fdb\u884c jvm \u8c03\u4f18 \u652f\u4ed8\u5b9d Java 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1 \u5f20\u6d41\u7a0b\u56fe\u7b80\u5355\u5c55\u793a<strong>\u79d2\u6740\u7cfb\u7edf\u7684\u4e1a\u52a1\u6d41\u7a0b<\/strong>\uff08\u4e0d\u6d89\u53ca\u6280\u672f\u5c42\u9762\uff09\uff0c\u5404\u4f4d\u53ef\u4ee5\u81ea\u52a8\u5e26\u5165\u6dd8\u5b9d \/\u4eac\u4e1c \/\u62fc\u591a\u591a\u7684\u53cc\u5341\u4e00\u79d2\u6740\u6d3b\u52a8\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" referrerpolicy=\"no-referrer\" rel=\"noreferrer\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2021\/01\/20210101_5feef35b51717.png\" alt=\"\u6211\u6ca1\u5565\u9ad8\u5e76\u53d1\u9879\u76ee\u7ecf\u9a8c\uff0c\u4f46\u662f\u9762\u8bd5\u7684\u65f6\u5019\u7ecf\u5e38\u95ee\u5230\u9ad8\u5e76\u53d1\u3001\u6027\u80fd\u8c03\u4f18\u65b9\u9762\u7684\u7ecf\u9a8c\uff0c\u6709\u5565\u597d\u529e\u6cd5\u4e48\uff1f\" 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QPS\uff0c\u4e00\u65e6\u8d85\u8fc7\u4e86\u627f\u8f7d\u503c\uff0c\u7f51\u7ad9\u5c31\u6709\u53ef\u80fd\u5d29\u6e83\u3002<\/p>\n<p>\u5982\u9e7f\u6657\u548c\u5173\u6653\u5f64\u5b98\u5ba3\u65f6\u5bfc\u81f4\u5fae\u535a\u762b\u75ea\uff0c\u5c31\u662f\u4e2a\u5f88\u5178\u578b\u7684\u4f8b\u5b50\u3002<\/p>\n<p>\u89e3\u51b3\u77ac\u65f6\u5927\u6d41\u91cf\u9ad8\u5e76\u53d1\u7684\u6838\u5fc3\u601d\u60f3\u662f<strong>\u5206\u5c42\u8fc7\u6ee4\uff0c\u5206\u800c\u6cbb\u4e4b<\/strong>\u3002\u5373\u5728\u4e0d\u540c\u7684\u5c42\u6b21\u5c3d\u53ef\u80fd\u5730\u8fc7\u6ee4\u6389\u65e0\u6548\u8bf7\u6c42\uff0c\u8ba9\u201c\u6f0f\u6597\u201d\u6700\u672b\u7aef\u7684\u624d\u662f\u6709\u6548\u8bf7\u6c42\u3002<\/p>\n<h2>\u5177\u4f53\u65b9\u6cd5\uff1a<\/h2>\n<p><strong>1.\u9875\u9762\u9759\u6001\u5316\uff08 Static Page Technology \uff09<\/strong><\/p>\n<p>\u79d2\u6740\u9875\u9762\u7531\u5546\u54c1\u4fe1\u606f\u548c\u524d\u7aef\u9875\u9762\u8d44\u6e90\u7ec4\u6210\uff0c\u524d\u540e\u7aef\u5206\u79bb\uff0c\u9875\u9762\u8d44\u6e90\u4e0d\u4f1a\u7ecf\u8fc7\u540e\u7aef\u670d\u52a1\u5668\uff0c\u5c06\u524d\u7aef\u8d44\u6e90\uff0c\u653e\u5165 CDN \u670d\u52a1\u5668\u4e2d\u3002\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u5c06\u524d\u7aef\u7684\u9875\u9762\u8d44\u6e90\u653e\u5728\u53e6\u4e00\u4e2a\u201c\u7bee\u5b50\u201d\u91cc\uff0c\u4e0d\u8ddf\u79d2\u6740\u670d\u52a1\u5668\u62a2\u201c\u4f4d\u7f6e\u201d\uff0c\u4f7f\u7528\u6237\u5c31\u8fd1\u83b7\u53d6\u6240\u9700\u5185\u5bb9\uff0c\u964d\u4f4e\u7f51\u7edc\u62e5\u585e\uff0c\u63d0\u9ad8\u7528\u6237\u8bbf\u95ee\u54cd\u5e94\u901f\u5ea6\u548c\u547d\u4e2d\u7387\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" referrerpolicy=\"no-referrer\" rel=\"noreferrer\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2021\/01\/20210101_5feef366e7ac6.png\" alt=\"\u6211\u6ca1\u5565\u9ad8\u5e76\u53d1\u9879\u76ee\u7ecf\u9a8c\uff0c\u4f46\u662f\u9762\u8bd5\u7684\u65f6\u5019\u7ecf\u5e38\u95ee\u5230\u9ad8\u5e76\u53d1\u3001\u6027\u80fd\u8c03\u4f18\u65b9\u9762\u7684\u7ecf\u9a8c\uff0c\u6709\u5565\u597d\u529e\u6cd5\u4e48\uff1f\" \/><\/p>\n<p><strong>2.\u7f13\u5b58\u9884\u70ed\uff08 Cache Warm-up \uff09<\/strong><\/p>\n<p>\u8bf4\u4eba\u8bdd\uff0c\u5c06\u90e8\u5206\u4e1a\u52a1\u903b\u8f91\u5199\u5230\u7f13\u5b58\u91cc\uff0c\u4e0d\u9700\u8981\u76f4\u63a5\u8bfb\u6570\u636e\u5e93\uff0c\u6765\u51cf\u5c11\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u538b\u529b\uff0c\u8fd9\u6837\u8bbf\u95ee\u901f\u5ea6\u4f1a\u66f4\u5feb\u3002<\/p>\n<p>\u6bd4\u5982\u5728\u79d2\u6740\u6d3b\u52a8\u5f00\u59cb\u524d\uff0c\u63d0\u524d\u5c06\u8bbe\u7f6e\u597d\u79d2\u6740\u7684\u5546\u54c1\u4fe1\u606f\u3001\u9650\u8d2d\u6570\u91cf\uff0c\u5e93\u5b58\u6570\u91cf\u7b49\u5199\u5165 Redis \u4e2d\uff0c\u540c\u6837\u662f\u51cf\u5c11\u670d\u52a1\u5668\u538b\u529b\u7684\u65b9\u5f0f\u3002<\/p>\n<p><strong>3.\u5f02\u6b65\uff08 Asynchronous \uff09\u5316<\/strong><\/p>\n<p>\u5f02\u6b65\u5316\u4e3b\u8981\u901a\u8fc7\u6d88\u606f\u961f\u5217\u5b9e\u73b0\u3002<\/p>\n<p>\u6d88\u606f\u961f\u5217\u662f\u57fa\u4e8e\u751f\u4ea7\u8005\uff08 Producer \uff09\/\u6d88\u8d39\u8005\uff08 Consumer \uff09\u6a21\u578b\u7684\u7ec4\u4ef6\uff0c\u7528\u4e8e\u5b9e\u73b0\u4e24\u4e2a\u4e0d\u540c\u7684\u7cfb\u7edf\u4e4b\u95f4\u7684\u89e3\u8026\u548c\u5f02\u6b65 (Asynchronous) 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alt=\"\u6211\u6ca1\u5565\u9ad8\u5e76\u53d1\u9879\u76ee\u7ecf\u9a8c\uff0c\u4f46\u662f\u9762\u8bd5\u7684\u65f6\u5019\u7ecf\u5e38\u95ee\u5230\u9ad8\u5e76\u53d1\u3001\u6027\u80fd\u8c03\u4f18\u65b9\u9762\u7684\u7ecf\u9a8c\uff0c\u6709\u5565\u597d\u529e\u6cd5\u4e48\uff1f\" 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MySQL \u6570\u636e\u5e93\u5355\u70b9\u80fd\u652f\u6491 1000 QPS\uff0c\u4f46\u662f Redis \u5355\u70b9\u80fd\u652f\u6491 10 \u4e07 QPS \u3002\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5c06\u5e93\u5b58\u4fe1\u606f\u52a0\u8f7d\u5230 Redis \u4e2d\uff0c\u5c06 MySQL \u7684\u8bbf\u95ee\u538b\u529b\u8f6c\u79fb\u5230 Redis \u4e0a\uff0c\u76f4\u63a5\u901a\u8fc7 Redis \u6765\u5224\u65ad\u5e76\u6263\u51cf\u5e93\u5b58\u3002<\/p>\n<p><strong>\u5b9e\u9645\u4e0a\uff0c\u5fae\u535a\u3001\u963f\u91cc\u5df4\u5df4\u3001\u767e\u5ea6\u3001\u7f8e\u56e2\u3001\u62fc\u591a\u591a\u7b49\u90fd\u5728\u4f7f\u7528 Redis \u3002<\/strong>Redis \u5982\u4eca\u662f\u4e92\u8054\u7f51\u9879\u76ee\u7684\u6807\u914d\uff0c\u5728\u9762\u8bd5\u4e2d\u975e\u5e38\u9ad8\u9891\u88ab\u95ee\u5230\u3002 \u4f7f\u7528 Redis \u7684\u539f\u7406\u662f\uff1a<\/p>\n<ol>\n<li>\u7f13\u5b58\u5e93\u5b58\u4fe1\u606f\uff0c\u5927\u90e8\u5206\u6570\u636e\u8bfb\u53d6\u8bf7\u6c42\u90fd\u88ab Redis \u6321\u4f4f\u4e86\uff0c\u4fdd\u62a4\u4e86 MySQL<\/li>\n<li>\u68c0\u67e5 Redis \u5e93\u5b58\u548c\u6263\u51cf Redis \u5e93\u5b58\u662f\u4e24\u6b65\u64cd\u4f5c,\u901a\u8fc7 Lua \u811a\u672c\u5c06\u8fd9\u4e24\u6b65\u64cd\u4f5c\uff0c\u5408\u5e76\u6210\u4e00\u4e2a\u6574\u4f53\uff0c\u4fdd\u8bc1\u539f\u5b50\u64cd\u4f5c\u6027<\/li>\n<li>\u54ea\u6015 Redis \u4fa7\u65b9\u884c\uff0c\u53ef\u4ee5\u521b\u5efa\u8ba2\u5355\u4e86\uff0c\u5230 MySQL \u7684\u65f6\u5019\u4e5f\u9700\u8981\u518d\u68c0\u67e5\u4e00\u6b21\u3002<\/li>\n<\/ol>\n<p><img decoding=\"async\" loading=\"lazy\" referrerpolicy=\"no-referrer\" rel=\"noreferrer\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2021\/01\/20210101_5feef38178e54.png\" alt=\"\u6211\u6ca1\u5565\u9ad8\u5e76\u53d1\u9879\u76ee\u7ecf\u9a8c\uff0c\u4f46\u662f\u9762\u8bd5\u7684\u65f6\u5019\u7ecf\u5e38\u95ee\u5230\u9ad8\u5e76\u53d1\u3001\u6027\u80fd\u8c03\u4f18\u65b9\u9762\u7684\u7ecf\u9a8c\uff0c\u6709\u5565\u597d\u529e\u6cd5\u4e48\uff1f\" 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