{"id":126915,"date":"2024-10-26T08:42:20","date_gmt":"2024-10-26T00:42:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126915\/"},"modified":"2024-10-26T08:42:20","modified_gmt":"2024-10-26T00:42:20","slug":"redis-%e8%ae%93-tp-%e7%a8%8b%e5%ba%8f%e8%b7%91%e5%be%97%e6%9b%b4%e8%bf%85%e7%8c%9b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126915\/","title":{"rendered":"Redis \u8b93 TP \u7a0b\u5e8f\u8dd1\u5f97\u66f4\u8fc5\u731b"},"content":{"rendered":"<h1 id=\"redis-%e8%ae%93-tp-%e7%a8%8b%e5%ba%8f%e8%b7%91%e5%be%97%e6%9b%b4%e8%bf%85%e7%8c%9b-kqIXIivjcU\">Redis \u8b93 TP \u7a0b\u5e8f\u8dd1\u5f97\u66f4\u8fc5\u731b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u958b\u767c\u8005\u6700\u70ba\u95dc\u6ce8\u7684\u5169\u500b\u65b9\u9762\u3002\u96a8\u8457\u7528\u6236\u9700\u6c42\u7684\u589e\u52a0\uff0c\u5982\u4f55\u63d0\u5347\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\u548c\u8655\u7406\u80fd\u529b\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u7684\u9752\u775e\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u5982\u4f55\u5e6b\u52a9 TP\uff08Transaction Processing\uff09\u7a0b\u5e8f\u63d0\u5347\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-kqIXIivjcU\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u5b83\u4e0d\u50c5\u53ef\u4ee5\u7528\u4f5c\u6578\u64da\u5eab\uff0c\u9084\u53ef\u4ee5\u7528\u4f5c\u7de9\u5b58\u548c\u6d88\u606f\u4ee3\u7406\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u5167\u5b58\u64cd\u4f5c\uff0cRedis \u80fd\u5920\u63d0\u4f9b\u6beb\u79d2\u7d1a\u7684\u97ff\u61c9\u6642\u9593\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u9ad8\u6027\u80fd\u61c9\u7528\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"tp-%e7%a8%8b%e5%ba%8f%e7%9a%84%e6%80%a7%e8%83%bd%e6%8c%91%e6%88%b0-kqIXIivjcU\">TP \u7a0b\u5e8f\u7684\u6027\u80fd\u6311\u6230<\/h2>\n<p>TP \u7a0b\u5e8f\u901a\u5e38\u6d89\u53ca\u5927\u91cf\u7684\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\uff0c\u9019\u4e9b\u64cd\u4f5c\u9700\u8981\u5728\u77ed\u6642\u9593\u5167\u5b8c\u6210\uff0c\u4ee5\u4fdd\u8b49\u7528\u6236\u7684\u826f\u597d\u9ad4\u9a57\u3002\u50b3\u7d71\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u5728\u8655\u7406\u9ad8\u4e26\u767c\u8acb\u6c42\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u6027\u80fd\u74f6\u9838\uff0c\u5c0e\u81f4\u97ff\u61c9\u6642\u9593\u5ef6\u9577\u3002\u9019\u6642\uff0cRedis \u7684\u5f15\u5165\u53ef\u4ee5\u6709\u6548\u7de9\u89e3\u9019\u4e00\u554f\u984c\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%84%aa%e5%8b%a2-kqIXIivjcU\">Redis \u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u7684\u6578\u64da\u64cd\u4f5c\u901f\u5ea6\u6975\u5feb\uff0c\u80fd\u5920\u6bcf\u79d2\u8655\u7406\u6578\u5341\u842c\u6b21\u8acb\u6c42\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u9ad8\u983b\u6b21\u8b80\u5beb\u7684 TP \u7a0b\u5e8f\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<li><strong>\u6578\u64da\u6301\u4e45\u5316\uff1a<\/strong>\u96d6\u7136 Redis \u662f\u4e00\u500b\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4f46\u5b83\u652f\u6301 RDB \u548c AOF \u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u5d29\u6f70\u6642\u4fdd\u8b77\u6578\u64da\u3002<\/li>\n<li><strong>\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis \u63d0\u4f9b\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u6578\u64da\u985e\u578b\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u8655\u7406\u6548\u7387\u3002<\/li>\n<li><strong>\u652f\u6301\u5206\u4f48\u5f0f\u67b6\u69cb\uff1a<\/strong>Redis \u53ef\u4ee5\u8f15\u9b06\u5730\u64f4\u5c55\u5230\u591a\u500b\u7bc0\u9ede\uff0c\u652f\u6301\u5206\u4f48\u5f0f\u6578\u64da\u5b58\u5132\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u7684 TP \u7a0b\u5e8f\u5c24\u70ba\u91cd\u8981\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-tp-%e7%a8%8b%e5%ba%8f%e4%b8%ad%e4%bd%bf%e7%94%a8-redis-kqIXIivjcU\">\u5982\u4f55\u5728 TP \u7a0b\u5e8f\u4e2d\u4f7f\u7528 Redis<\/h2>\n<p>\u5728 TP \u7a0b\u5e8f\u4e2d\u4f7f\u7528 Redis \u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<h3 id=\"1-%e7%b7%a9%e5%ad%98%e7%86%b1%e6%95%b8%e6%93%9a-kqIXIivjcU\">1. \u7de9\u5b58\u71b1\u6578\u64da<\/h3>\n<p>\u5c07\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u7de9\u5b58\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8acb\u6c42\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u7528\u6236\u8cc7\u6599\u7684\u67e5\u8a62\uff0c\u53ef\u4ee5\u5148\u5728 Redis \u4e2d\u67e5\u627e\uff0c\u5982\u679c\u672a\u547d\u4e2d\uff0c\u518d\u67e5\u8a62\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e26\u5c07\u7d50\u679c\u7de9\u5b58\u5230 Redis \u4e2d\u3002<\/p>\n<pre><code>if (redis.exists(userId)) {\n    userData = redis.get(userId);\n} else {\n    userData = db.query(\"SELECT * FROM users WHERE id = ?\", userId);\n    redis.set(userId, userData);\n}<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-redis-%e4%bd%9c%e7%82%ba%e6%b6%88%e6%81%af%e9%9a%8a%e5%88%97-kqIXIivjcU\">2. \u4f7f\u7528 Redis \u4f5c\u70ba\u6d88\u606f\u968a\u5217<\/h3>\n<p>Redis \u7684\u5217\u8868\u7d50\u69cb\u53ef\u4ee5\u7528\u4f5c\u6d88\u606f\u968a\u5217\uff0c\u652f\u6301\u751f\u7522\u8005-\u6d88\u8cbb\u8005\u6a21\u5f0f\u3002\u9019\u6a23\u53ef\u4ee5\u5c07 TP \u7a0b\u5e8f\u4e2d\u7684\u67d0\u4e9b\u64cd\u4f5c\u7570\u6b65\u5316\uff0c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<pre><code>redis.lpush(\"task_queue\", taskData); \/\/ \u751f\u7522\u8005\ntaskData = redis.rpop(\"task_queue\"); \/\/ \u6d88\u8cbb\u8005<\/code><\/pre>\n<h3 id=\"3-%e5%af%a6%e7%8f%be%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96-kqIXIivjcU\">3. \u5be6\u73fe\u5206\u4f48\u5f0f\u9396<\/h3>\n<p>\u5728\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\u5354\u8abf\u8cc7\u6e90\u8a2a\u554f\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u5be6\u73fe\u5206\u4f48\u5f0f\u9396\uff0c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/p>\n<pre><code>if (redis.set(\"lock_key\", \"locked\", \"NX\", \"EX\", 10)) {\n    \/\/ \u7372\u53d6\u9396\uff0c\u57f7\u884c\u64cd\u4f5c\n    redis.del(\"lock_key\"); \/\/ \u91cb\u653e\u9396\n}<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kqIXIivjcU\">\u7e3d\u7d50<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u80fd\u5920\u986f\u8457\u63d0\u5347 TP \u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u901a\u904e\u7de9\u5b58\u71b1\u6578\u64da\u3001\u4f7f\u7528\u6d88\u606f\u968a\u5217\u548c\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u7b49\u65b9\u5f0f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6027\u80fd\u74f6\u9838\u554f\u984c\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\uff0c\u4e26\u7d50\u5408 Redis \u7684\u7279\u6027\uff0c\u5c07\u80fd\u5920\u70ba\u7528\u6236\u63d0\u4f9b\u66f4\u6d41\u66a2\u7684\u9ad4\u9a57\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u63d0\u5347 TP \u7a0b\u5e8f\u6027\u80fd\uff0c\u5be6\u73fe\u66f4\u5feb\u7684\u6578\u64da\u5b58\u53d6\u8207\u8655\u7406\uff0c\u52a9\u529b\u9ad8\u6548\u80fd\u61c9\u7528\u958b\u767c\u8207\u904b\u884c\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-126915","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126915","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=126915"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126915\/revisions"}],"predecessor-version":[{"id":126916,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126915\/revisions\/126916"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}