{"id":129393,"date":"2024-10-26T21:17:20","date_gmt":"2024-10-26T13:17:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129393\/"},"modified":"2024-10-26T21:17:20","modified_gmt":"2024-10-26T13:17:20","slug":"redis%e9%8e%96%e9%85%8d%e7%bd%ae%e6%8f%90%e9%ab%98%e6%80%a7%e8%83%bd%e7%9a%84%e5%bf%85%e8%a6%81%e4%b9%8b%e8%88%89%ef%bc%88redis%e9%8e%96%e9%9c%80%e8%a6%81%e9%85%8d%e7%bd%ae%e5%97%8e%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129393\/","title":{"rendered":"Redis\u9396\u914d\u7f6e\u63d0\u9ad8\u6027\u80fd\u7684\u5fc5\u8981\u4e4b\u8209\uff08redis\u9396\u9700\u8981\u914d\u7f6e\u55ce\uff09"},"content":{"rendered":"<h1 id=\"redis%e9%8e%96%e9%85%8d%e7%bd%ae%e6%8f%90%e9%ab%98%e6%80%a7%e8%83%bd%e7%9a%84%e5%bf%85%e8%a6%81%e4%b9%8b%e8%88%89%ef%bc%88redis%e9%8e%96%e9%9c%80%e8%a6%81%e9%85%8d%e7%bd%ae%e5%97%8e%ef%bc%89-gkNREJObRt\">Redis\u9396\u914d\u7f6e\u63d0\u9ad8\u6027\u80fd\u7684\u5fc5\u8981\u4e4b\u8209\uff08redis\u9396\u9700\u8981\u914d\u7f6e\u55ce\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5eab\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u4e26\u767c\u8acb\u6c42\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002\u9019\u6642\uff0cRedis\u9396\u7684\u914d\u7f6e\u4fbf\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%8e%96%ef%bc%9f-gkNREJObRt\">\u4ec0\u9ebc\u662fRedis\u9396\uff1f<\/h2>\n<p>Redis\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u7576\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u5617\u8a66\u8a2a\u554f\u540c\u4e00\u8cc7\u6e90\u6642\uff0c\u9396\u53ef\u4ee5\u9632\u6b62\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u898b\u7684\u662f\u57fa\u65bcSETNX\u547d\u4ee4\u7684\u9396\u3002<\/p>\n<h3 id=\"setnx%e5%91%bd%e4%bb%a4%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-gkNREJObRt\">SETNX\u547d\u4ee4\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>SETNX\uff08Set if Not eXists\uff09\u547d\u4ee4\u7684\u4f5c\u7528\u662f\u7576\u6307\u5b9a\u7684\u9375\u4e0d\u5b58\u5728\u6642\uff0c\u5c07\u5176\u8a2d\u7f6e\u70ba\u4e00\u500b\u503c\u3002\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u5229\u7528\u5b83\u4f86\u5be6\u73fe\u9396\u7684\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SETNX lock_key 1\nEXPIRE lock_key 10\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u57f7\u884cSETNX\u547d\u4ee4\u6642\uff0c\u5982\u679c\u9375lock_key\u4e0d\u5b58\u5728\uff0c\u5b83\u5c07\u88ab\u8a2d\u7f6e\u70ba1\uff0c\u4e26\u4e14\u9396\u5b9a\u6210\u529f\u3002\u63a5\u8457\uff0c\u4f7f\u7528EXPIRE\u547d\u4ee4\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%85%8d%e7%bd%aeredis%e9%8e%96%ef%bc%9f-gkNREJObRt\">\u70ba\u4ec0\u9ebc\u9700\u8981\u914d\u7f6eRedis\u9396\uff1f<\/h2>\n<p>\u5728\u591a\u7dda\u7a0b\u6216\u591a\u9032\u7a0b\u7684\u74b0\u5883\u4e2d\uff0c\u6c92\u6709\u9396\u7684\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u5c07\u7121\u6cd5\u4fdd\u8b49\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u9700\u8981\u914d\u7f6eRedis\u9396\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u7576\u591a\u500b\u8acb\u6c42\u540c\u6642\u4fee\u6539\u540c\u4e00\u6578\u64da\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002\u4f7f\u7528\u9396\u53ef\u4ee5\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u8acb\u6c42\u80fd\u5920\u4fee\u6539\u6578\u64da\u3002<\/li>\n<li><strong>\u9632\u6b62\u7af6\u722d\u689d\u4ef6\uff1a<\/strong>\u7af6\u722d\u689d\u4ef6\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u884c\u70ba\u4e0d\u7a69\u5b9a\uff0c\u751a\u81f3\u5d29\u6f70\u3002\u9396\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u9019\u7a2e\u60c5\u6cc1\u7684\u767c\u751f\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u96d6\u7136\u9396\u6703\u5f15\u5165\u4e00\u5b9a\u7684\u958b\u92b7\uff0c\u4f46\u5408\u7406\u914d\u7f6e\u9396\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u885d\u7a81\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h3 id=\"%e9%8e%96%e7%9a%84%e9%85%8d%e7%bd%ae%e7%ad%96%e7%95%a5-gkNREJObRt\">\u9396\u7684\u914d\u7f6e\u7b56\u7565<\/h3>\n<p>\u5728\u914d\u7f6eRedis\u9396\u6642\uff0c\u6709\u5e7e\u500b\u7b56\u7565\u53ef\u4ee5\u8003\u616e\uff1a<\/p>\n<ul>\n<li><strong>\u9396\u7684\u7c92\u5ea6\uff1a<\/strong>\u6839\u64da\u696d\u52d9\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u9396\u7c92\u5ea6\u3002\u904e\u65bc\u7d30\u7c92\u5ea6\u7684\u9396\u6703\u589e\u52a0\u7ba1\u7406\u6210\u672c\uff0c\u800c\u904e\u65bc\u7c97\u7c92\u5ea6\u7684\u9396\u5247\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u9396\u7684\u904e\u671f\u6642\u9593\uff1a<\/strong>\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u4ee5\u9632\u6b62\u6b7b\u9396\u3002\u904e\u671f\u6642\u9593\u61c9\u6839\u64da\u696d\u52d9\u908f\u8f2f\u548c\u64cd\u4f5c\u7684\u8017\u6642\u4f86\u8a2d\u7f6e\u3002<\/li>\n<li><strong>\u91cd\u8a66\u6a5f\u5236\uff1a<\/strong>\u5728\u7372\u53d6\u9396\u5931\u6557\u6642\uff0c\u8a2d\u7f6e\u91cd\u8a66\u6a5f\u5236\u4ee5\u63d0\u9ad8\u6210\u529f\u7387\u3002\u53ef\u4ee5\u4f7f\u7528\u96a8\u6a5f\u5ef6\u9072\u4f86\u6e1b\u5c11\u9396\u7af6\u722d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-gkNREJObRt\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0cRedis\u9396\u7684\u914d\u7f6e\u5c0d\u65bc\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u548c\u6578\u64da\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0c\u5408\u7406\u7684\u9396\u7b56\u7565\u80fd\u5920\u6709\u6548\u5730\u9632\u6b62\u6578\u64da\u885d\u7a81\u548c\u7af6\u722d\u689d\u4ef6\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u61c9\u7528\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u5c07\u662f\u660e\u667a\u4e4b\u8209\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u9396\u914d\u7f6e\u5982\u4f55\u63d0\u5347\u6027\u80fd\uff0c\u4e86\u89e3\u70ba\u4f55\u6b63\u78ba\u914d\u7f6e\u9396\u662f\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u548c\u6548\u7387\u7684\u5fc5\u8981\u4e4b\u8209\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-129393","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129393","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=129393"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129393\/revisions"}],"predecessor-version":[{"id":129394,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129393\/revisions\/129394"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}