{"id":159683,"date":"2024-11-03T16:41:23","date_gmt":"2024-11-03T08:41:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159683\/"},"modified":"2024-11-03T16:41:24","modified_gmt":"2024-11-03T08:41:24","slug":"%e7%b4%85%e8%89%b2%e5%8d%81%e4%b8%80%e8%99%9f-%e6%a5%b5%e9%99%90%e6%93%8a%e7%a9%bf%e4%b9%8b%e6%97%85%ef%bc%88redis%e6%a5%b5%e9%99%90%e6%93%8a%e7%a9%bf%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159683\/","title":{"rendered":"\u7d05\u8272\u5341\u4e00\u865f \u6975\u9650\u64ca\u7a7f\u4e4b\u65c5\uff08redis\u6975\u9650\u64ca\u7a7f\uff09"},"content":{"rendered":"<h1 id=\"%e7%b4%85%e8%89%b2%e5%8d%81%e4%b8%80%e8%99%9f-%e6%a5%b5%e9%99%90%e6%93%8a%e7%a9%bf%e4%b9%8b%e6%97%85%ef%bc%88redis%e6%a5%b5%e9%99%90%e6%93%8a%e7%a9%bf%ef%bc%89-nBMeNubEnE\">\u7d05\u8272\u5341\u4e00\u865f \u6975\u9650\u64ca\u7a7f\u4e4b\u65c5\uff08redis\u6975\u9650\u64ca\u7a7f\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u7684\u5feb\u901f\u5b58\u53d6\u548c\u8655\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u7136\u800c\uff0c\u96a8\u8457\u7528\u6236\u9700\u6c42\u7684\u589e\u52a0\uff0cRedis\u4e5f\u9762\u81e8\u8457\u6975\u9650\u64ca\u7a7f\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u6975\u9650\u64ca\u7a7f\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%a5%b5%e9%99%90%e6%93%8a%e7%a9%bf%ef%bc%9f-nBMeNubEnE\">\u4ec0\u9ebc\u662f\u6975\u9650\u64ca\u7a7f\uff1f<\/h2>\n<p>\u6975\u9650\u64ca\u7a7f\u662f\u6307\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u67d0\u4e00\u7279\u5b9a\u7684key\u56e0\u70ba\u4e0d\u5b58\u5728\u800c\u5c0e\u81f4\u5927\u91cf\u8acb\u6c42\u540c\u6642\u767c\u9001\u5230\u5f8c\u7aef\u6578\u64da\u5eab\uff0c\u9020\u6210\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u58d3\u529b\u5287\u589e\uff0c\u6700\u7d42\u53ef\u80fd\u5c0e\u81f4\u7cfb\u7d71\u5d29\u6f70\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u67d0\u4e9b\u71b1\u9580\u6578\u64da\u7684\u8acb\u6c42\u4e2d\uff0c\u7576\u9019\u4e9b\u6578\u64da\u5728Redis\u4e2d\u4e0d\u5b58\u5728\u6642\uff0c\u8acb\u6c42\u6703\u76f4\u63a5\u6253\u5230\u5f8c\u7aef\u6578\u64da\u5eab\uff0c\u9020\u6210\u77ac\u9593\u7684\u6d41\u91cf\u6fc0\u589e\u3002<\/p>\n<h2 id=\"%e6%a5%b5%e9%99%90%e6%93%8a%e7%a9%bf%e7%9a%84%e6%88%90%e5%9b%a0-nBMeNubEnE\">\u6975\u9650\u64ca\u7a7f\u7684\u6210\u56e0<\/h2>\n<ul>\n<li><strong>\u71b1\u9580\u6578\u64da\u7684\u7f3a\u5931\uff1a<\/strong>\u7576\u67d0\u500b\u71b1\u9580\u7684key\u5728Redis\u4e2d\u4e0d\u5b58\u5728\u6642\uff0c\u6240\u6709\u8acb\u6c42\u90fd\u6703\u8f49\u5411\u5f8c\u7aef\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u9ad8\u4e26\u767c\u8acb\u6c42\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u8acb\u6c42\u7684\u6578\u91cf\u53ef\u80fd\u6703\u8d85\u904e\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8655\u7406\u80fd\u529b\u3002<\/li>\n<li><strong>\u7f3a\u4e4f\u7de9\u5b58\u7b56\u7565\uff1a<\/strong>\u5982\u679c\u6c92\u6709\u5408\u7406\u7684\u7de9\u5b58\u7b56\u7565\uff0c\u5c07\u6703\u5c0e\u81f4\u5927\u91cf\u8acb\u6c42\u76f4\u63a5\u6253\u5230\u5f8c\u7aef\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%a5%b5%e9%99%90%e6%93%8a%e7%a9%bf%e5%95%8f%e9%a1%8c-nBMeNubEnE\">\u5982\u4f55\u89e3\u6c7a\u6975\u9650\u64ca\u7a7f\u554f\u984c<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u89e3\u6c7aRedis\u7684\u6975\u9650\u64ca\u7a7f\u554f\u984c\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e4%ba%92%e6%96%a5%e9%8e%96-nBMeNubEnE\">1. \u4f7f\u7528\u4e92\u65a5\u9396<\/h3>\n<p>\u5728\u8acb\u6c42\u5230\u9054Redis\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e92\u65a5\u9396\u4f86\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u8acb\u6c42\u80fd\u5920\u67e5\u8a62\u5f8c\u7aef\u6578\u64da\u5eab\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u591a\u500b\u8acb\u6c42\u540c\u6642\u67e5\u8a62\u5f8c\u7aef\uff0c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u7684\u58d3\u529b\u3002<\/p>\n<pre><code>\n# \u4f2a\u4ee3\u7801\u793a\u4f8b\nif not redis.exists(key):\n    lock = acquire_lock(key)\n    if lock:\n        data = query_database(key)\n        redis.set(key, data)\n        release_lock(lock)\n<\/code><\/pre>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-nBMeNubEnE\">2. \u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5c0d\u65bc\u4e00\u4e9b\u71b1\u9580\u7684key\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u5373\u4f7f\u6578\u64da\u5728Redis\u4e2d\u4e0d\u5b58\u5728\uff0c\u4e5f\u4e0d\u6703\u9577\u6642\u9593\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/p>\n<pre><code>\n# \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u7684\u793a\u4f8b\nredis.setex(key, 3600, data)  # 1\u5c0f\u6642\u5f8c\u904e\u671f\n<\/code><\/pre>\n<h3 id=\"3-%e7%86%94%e6%96%b7%e6%a9%9f%e5%88%b6-nBMeNubEnE\">3. \u7194\u65b7\u6a5f\u5236<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u8003\u616e\u5be6\u65bd\u7194\u65b7\u6a5f\u5236\uff0c\u7576\u8acb\u6c42\u91cf\u8d85\u904e\u4e00\u5b9a\u95be\u503c\u6642\uff0c\u66ab\u6642\u62d2\u7d55\u8acb\u6c42\uff0c\u907f\u514d\u7cfb\u7d71\u5d29\u6f70\u3002<\/p>\n<h3 id=\"4-%e9%a0%90%e7%86%b1%e6%95%b8%e6%93%9a-nBMeNubEnE\">4. \u9810\u71b1\u6578\u64da<\/h3>\n<p>\u5728\u7cfb\u7d71\u904b\u884c\u4e4b\u524d\uff0c\u53ef\u4ee5\u63d0\u524d\u5c07\u4e00\u4e9b\u71b1\u9580\u6578\u64da\u52a0\u8f09\u5230Redis\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u8acb\u6c42\u76f4\u63a5\u6253\u5230\u5f8c\u7aef\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-nBMeNubEnE\">\u7d50\u8ad6<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u5728\u9762\u5c0d\u6975\u9650\u64ca\u7a7f\u7684\u6311\u6230\u6642\uff0c\u9700\u8981\u63a1\u53d6\u6709\u6548\u7684\u7b56\u7565\u4f86\u4fdd\u8b49\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u901a\u904e\u4f7f\u7528\u4e92\u65a5\u9396\u3001\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u5be6\u65bd\u7194\u65b7\u6a5f\u5236\u4ee5\u53ca\u9810\u71b1\u6578\u64da\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u6975\u9650\u64ca\u7a7f\u5e36\u4f86\u7684\u5f71\u97ff\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<p>\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u90fd\u80fd\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u300a\u7d05\u8272\u5341\u4e00\u865f \u6975\u9650\u64ca\u7a7f\u4e4b\u65c5\u300b\uff0c\u63ed\u793aRedis\u6975\u9650\u64ca\u7a7f\u7684\u6311\u6230\u8207\u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u4f60\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\u6027\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-159683","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159683","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=159683"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159683\/revisions"}],"predecessor-version":[{"id":159684,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159683\/revisions\/159684"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159683"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159683"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159683"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}