{"id":157444,"date":"2024-11-02T23:08:20","date_gmt":"2024-11-02T15:08:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/157444\/"},"modified":"2024-11-02T23:08:21","modified_gmt":"2024-11-02T15:08:21","slug":"%e9%ab%98%e4%b8%a6%e7%99%bc%e6%90%b6%e8%b3%bc-redis-%e5%af%a6%e7%8f%be%e7%a7%92%e6%ae%ba%ef%bc%88redis-%e9%ab%98%e4%b8%a6%e7%99%bc%e6%90%b6%e8%b3%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/157444\/","title":{"rendered":"\u9ad8\u4e26\u767c\u6436\u8cfc Redis \u5be6\u73fe\u79d2\u6bba\uff08Redis \u9ad8\u4e26\u767c\u6436\u8cfc\uff09"},"content":{"rendered":"<h1 id=\"%e9%ab%98%e4%b8%a6%e7%99%bc%e6%90%b6%e8%b3%bc-redis-%e5%af%a6%e7%8f%be%e7%a7%92%e6%ae%ba%ef%bc%88redis-%e9%ab%98%e4%b8%a6%e7%99%bc%e6%90%b6%e8%b3%bc%ef%bc%89-LovrXyWFef\">\u9ad8\u4e26\u767c\u6436\u8cfc Redis \u5be6\u73fe\u79d2\u6bba\uff08Redis \u9ad8\u4e26\u767c\u6436\u8cfc\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u96fb\u5b50\u5546\u52d9\u74b0\u5883\u4e2d\uff0c\u79d2\u6bba\u6d3b\u52d5\u5df2\u6210\u70ba\u5438\u5f15\u9867\u5ba2\u548c\u63d0\u5347\u92b7\u552e\u7684\u91cd\u8981\u624b\u6bb5\u3002\u7136\u800c\uff0c\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u8655\u7406\u9ad8\u4e26\u767c\u8acb\u6c42\u6210\u70ba\u4e86\u5546\u5bb6\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u7c21\u55ae\u7684\u4f7f\u7528\u65b9\u5f0f\uff0c\u6210\u70ba\u4e86\u5be6\u73fe\u9ad8\u4e26\u767c\u6436\u8cfc\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-LovrXyWFef\">Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5b83\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u9019\u4f7f\u5f97\u5176\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u6975\u5feb\uff0c\u9069\u5408\u7528\u65bc\u9700\u8981\u9ad8\u4e26\u767c\u7684\u5834\u666f\u3002<\/p>\n<h2 id=\"%e9%ab%98%e4%b8%a6%e7%99%bc%e6%90%b6%e8%b3%bc%e7%9a%84%e6%8c%91%e6%88%b0-LovrXyWFef\">\u9ad8\u4e26\u767c\u6436\u8cfc\u7684\u6311\u6230<\/h2>\n<p>\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0c\u901a\u5e38\u6703\u51fa\u73fe\u5927\u91cf\u7528\u6236\u540c\u6642\u8acb\u6c42\u8cfc\u8cb7\u540c\u4e00\u5546\u54c1\u7684\u60c5\u6cc1\u3002\u9019\u7a2e\u9ad8\u4e26\u767c\u7684\u8acb\u6c42\u5982\u679c\u8655\u7406\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u7cfb\u7d71\u5d29\u6f70\u6216\u6578\u64da\u4e0d\u4e00\u81f4\u3002\u4e3b\u8981\u6311\u6230\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8acb\u6c42\u7684\u77ac\u6642\u6fc0\u589e\uff1a\u5728\u79d2\u6bba\u958b\u59cb\u7684\u77ac\u9593\uff0c\u6578\u4ee5\u842c\u8a08\u7684\u7528\u6236\u540c\u6642\u767c\u8d77\u8acb\u6c42\u3002<\/li>\n<li>\u6578\u64da\u4e00\u81f4\u6027\uff1a\u5982\u4f55\u78ba\u4fdd\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\uff0c\u5eab\u5b58\u6578\u91cf\u7684\u6e96\u78ba\u6027\u3002<\/li>\n<li>\u7cfb\u7d71\u6027\u80fd\uff1a\u5982\u4f55\u4fdd\u8b49\u7cfb\u7d71\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4ecd\u80fd\u7a69\u5b9a\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8-redis-%e5%af%a6%e7%8f%be%e9%ab%98%e4%b8%a6%e7%99%bc%e6%90%b6%e8%b3%bc-LovrXyWFef\">\u4f7f\u7528 Redis \u5be6\u73fe\u9ad8\u4e26\u767c\u6436\u8cfc<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u6709\u6548\u5730\u61c9\u5c0d\u9ad8\u4e26\u767c\u6436\u8cfc\u7684\u6311\u6230\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-redis-%e9%8e%96-LovrXyWFef\">1. \u4f7f\u7528 Redis \u9396<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\uff0c\u4f7f\u7528\u9396\u53ef\u4ee5\u9632\u6b62\u591a\u500b\u8acb\u6c42\u540c\u6642\u4fee\u6539\u540c\u4e00\u8cc7\u6e90\u3002Redis \u63d0\u4f9b\u4e86\u7c21\u55ae\u7684\u9396\u6a5f\u5236\uff0c\u53ef\u4ee5\u901a\u904e SETNX \u547d\u4ee4\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>SETNX lock_key 1\nEXPIRE lock_key 5  \/\/ \u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\n<\/code><\/pre>\n<p>\u7576\u8acb\u6c42\u7372\u5f97\u9396\u5f8c\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u9032\u884c\u5eab\u5b58\u6aa2\u67e5\u548c\u6e1b\u5c11\u64cd\u4f5c\uff0c\u64cd\u4f5c\u5b8c\u6210\u5f8c\u91cb\u653e\u9396\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-redis-%e5%88%97%e8%a1%a8%e4%bd%9c%e7%82%ba%e8%ab%8b%e6%b1%82%e9%9a%8a%e5%88%97-LovrXyWFef\">2. \u4f7f\u7528 Redis \u5217\u8868\u4f5c\u70ba\u8acb\u6c42\u968a\u5217<\/h3>\n<p>\u5c07\u8acb\u6c42\u653e\u5165 Redis \u5217\u8868\u4e2d\uff0c\u7136\u5f8c\u9010\u500b\u8655\u7406\u8acb\u6c42\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u4e26\u767c\u91cf\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u77ac\u6642\u8acb\u6c42\u7684\u6fc0\u589e\u5c0e\u81f4\u7cfb\u7d71\u5d29\u6f70\u3002<\/p>\n<pre><code>LPUSH request_queue user_id\n<\/code><\/pre>\n<p>\u7136\u5f8c\u4f7f\u7528 RPOP \u547d\u4ee4\u9010\u500b\u8655\u7406\u8acb\u6c42\uff1a<\/p>\n<pre><code>RPOP request_queue\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%8e%9f%e5%ad%90%e6%93%8d%e4%bd%9c-LovrXyWFef\">3. \u4f7f\u7528\u539f\u5b50\u64cd\u4f5c<\/h3>\n<p>Redis \u7684\u539f\u5b50\u64cd\u4f5c\u7279\u6027\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 DECR \u547d\u4ee4\u4f86\u6e1b\u5c11\u5eab\u5b58\uff1a<\/p>\n<pre><code>DECR stock_key\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6bcf\u6b21\u6e1b\u5c11\u5eab\u5b58\u7684\u64cd\u4f5c\u90fd\u662f\u539f\u5b50\u7684\uff0c\u4e0d\u6703\u51fa\u73fe\u8d85\u8ce3\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%a1%88%e4%be%8b-LovrXyWFef\">\u5be6\u969b\u6848\u4f8b<\/h2>\n<p>\u8a31\u591a\u77e5\u540d\u96fb\u5546\u5e73\u53f0\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u90fd\u4f7f\u7528\u4e86 Redis \u4f86\u8655\u7406\u9ad8\u4e26\u767c\u8acb\u6c42\u3002\u4f8b\u5982\uff0c\u67d0\u5927\u578b\u96fb\u5546\u5e73\u53f0\u5728\u4e00\u6b21\u4fc3\u92b7\u6d3b\u52d5\u4e2d\uff0c\u4f7f\u7528 Redis \u4f5c\u70ba\u5f8c\u7aef\u6578\u64da\u5eab\uff0c\u6210\u529f\u8655\u7406\u4e86\u8d85\u904e 100,000 \u6b21\u7684\u4e26\u767c\u8acb\u6c42\uff0c\u4e26\u4e14\u5728\u6574\u500b\u6d3b\u52d5\u904e\u7a0b\u4e2d\u4fdd\u6301\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LovrXyWFef\">\u7e3d\u7d50<\/h2>\n<p>\u9ad8\u4e26\u767c\u6436\u8cfc\u662f\u4e00\u500b\u8907\u96dc\u7684\u554f\u984c\uff0c\u4f46\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528 Redis \u7684\u7279\u6027\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e9b\u6311\u6230\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u9396\u3001\u8acb\u6c42\u968a\u5217\u9084\u662f\u539f\u5b50\u64cd\u4f5c\uff0cRedis \u90fd\u80fd\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\uff0c\u5e6b\u52a9\u5546\u5bb6\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u7372\u5f97\u6210\u529f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\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\uff0c\u9019\u6a23\u624d\u80fd\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u8ca0\u8f09\u4e0b\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u9ad8\u4e26\u767c\u6436\u8cfc\uff0c\u63d0\u5347\u79d2\u6bba\u6d3b\u52d5\u7684\u6548\u7387\u8207\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u7528\u6236\u9ad4\u9a57\u6700\u4f73\u5316\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-157444","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157444","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=157444"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157444\/revisions"}],"predecessor-version":[{"id":157445,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157444\/revisions\/157445"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=157444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=157444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=157444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}