{"id":188328,"date":"2024-11-11T21:45:29","date_gmt":"2024-11-11T13:45:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188328\/"},"modified":"2024-11-11T21:45:30","modified_gmt":"2024-11-11T13:45:30","slug":"%e6%8e%a2%e7%a9%b6redis%e6%9f%a5%e8%a9%a2%e9%8e%96%e7%9a%84%e7%8b%80%e6%85%8b%ef%bc%88redis%e6%9f%a5%e8%a9%a2%e9%8e%96%e7%9a%84%e7%8b%80%e6%85%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188328\/","title":{"rendered":"\u63a2\u7a76Redis\u67e5\u8a62\u9396\u7684\u72c0\u614b\uff08redis\u67e5\u8a62\u9396\u7684\u72c0\u614b\uff09"},"content":{"rendered":"<h1 id=\"%e6%8e%a2%e7%a9%b6redis%e6%9f%a5%e8%a9%a2%e9%8e%96%e7%9a%84%e7%8b%80%e6%85%8b%ef%bc%88redis%e6%9f%a5%e8%a9%a2%e9%8e%96%e7%9a%84%e7%8b%80%e6%85%8b%ef%bc%89-ChjRfwWMak\">\u63a2\u7a76Redis\u67e5\u8a62\u9396\u7684\u72c0\u614b\uff08redis\u67e5\u8a62\u9396\u7684\u72c0\u614b\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u8907\u96dc\u6027\u589e\u52a0\uff0c\u5c0d\u65bc\u6578\u64da\u4e00\u81f4\u6027\u548c\u4e26\u767c\u63a7\u5236\u7684\u9700\u6c42\u4e5f\u96a8\u4e4b\u4e0a\u5347\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u67e5\u8a62\u9396\u7684\u72c0\u614b\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u7ba1\u7406Redis\u4e2d\u7684\u9396\u6a5f\u5236\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84%e9%8e%96%e6%a9%9f%e5%88%b6-ChjRfwWMak\">Redis\u4e2d\u7684\u9396\u6a5f\u5236<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u9396\u7684\u4e3b\u8981\u76ee\u7684\u662f\u9632\u6b62\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u4fee\u6539\u540c\u4e00\u8cc7\u6e90\uff0c\u5f9e\u800c\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002Redis\u672c\u8eab\u4e26\u4e0d\u63d0\u4f9b\u5167\u5efa\u7684\u9396\u6a5f\u5236\uff0c\u4f46\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u4e00\u4e9b\u7b56\u7565\u4f86\u5be6\u73fe\u9396\u7684\u529f\u80fd\u3002\u6700\u5e38\u898b\u7684\u65b9\u5f0f\u662f\u4f7f\u7528Redis\u7684SETNX\u547d\u4ee4\u4f86\u5275\u5efa\u9396\u3002<\/p>\n<pre><code>SETNX lock_key unique_lock_value\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u6703\u5728\u9375\u70ba<code>lock_key<\/code>\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ea\u6709\u7576\u8a72\u9375\u4e0d\u5b58\u5728\u6642\u624d\u6703\u8a2d\u7f6e\u6210\u529f\uff0c\u4e26\u8fd4\u56de1\uff1b\u5982\u679c\u9375\u5df2\u5b58\u5728\uff0c\u5247\u8fd4\u56de0\u3002\u9019\u6a23\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5229\u7528\u9019\u4e00\u7279\u6027\u4f86\u5be6\u73fe\u7c21\u55ae\u7684\u9396\u6a5f\u5236\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e9%8e%96%e7%9a%84%e7%8b%80%e6%85%8b-ChjRfwWMak\">\u67e5\u8a62\u9396\u7684\u72c0\u614b<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u9396\u7684\u904e\u7a0b\u4e2d\uff0c\u4e86\u89e3\u9396\u7684\u72c0\u614b\u81f3\u95dc\u91cd\u8981\u3002\u958b\u767c\u8005\u9700\u8981\u80fd\u5920\u6aa2\u67e5\u9396\u662f\u5426\u88ab\u6301\u6709\uff0c\u4ee5\u53ca\u6301\u6709\u9396\u7684\u5ba2\u6236\u7aef\u4fe1\u606f\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\u4f86\u5be6\u73fe\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e9%8e%96%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8-ChjRfwWMak\">1. \u6aa2\u67e5\u9396\u662f\u5426\u5b58\u5728<\/h3>\n<p>\u9996\u5148\uff0c\u53ef\u4ee5\u4f7f\u7528<code>EXISTS<\/code>\u547d\u4ee4\u4f86\u6aa2\u67e5\u9396\u662f\u5426\u5b58\u5728\uff1a<\/p>\n<pre><code>EXISTS lock_key\n<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de1\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u6301\u6709\uff1b\u5982\u679c\u8fd4\u56de0\uff0c\u5247\u8868\u793a\u9396\u53ef\u7528\u3002<\/p>\n<h3 id=\"2-%e7%8d%b2%e5%8f%96%e9%8e%96%e7%9a%84%e6%8c%81%e6%9c%89%e8%80%85%e4%bf%a1%e6%81%af-ChjRfwWMak\">2. \u7372\u53d6\u9396\u7684\u6301\u6709\u8005\u4fe1\u606f<\/h3>\n<p>\u70ba\u4e86\u7372\u53d6\u9396\u7684\u6301\u6709\u8005\u4fe1\u606f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u8a2d\u7f6e\u9396\u6642\uff0c\u5c07\u6301\u6709\u8005\u7684\u552f\u4e00\u6a19\u8b58\uff08\u5982UUID\uff09\u4f5c\u70ba\u9396\u7684\u503c\u5b58\u5132\u3002\u9019\u6a23\uff0c\u5728\u6aa2\u67e5\u9396\u7684\u72c0\u614b\u6642\uff0c\u53ef\u4ee5\u901a\u904e\u7372\u53d6\u8a72\u9375\u7684\u503c\u4f86\u78ba\u8a8d\u6301\u6709\u8005\uff1a<\/p>\n<pre><code>GET lock_key\n<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u7684\u503c\u8207\u7576\u524d\u5ba2\u6236\u7aef\u7684\u552f\u4e00\u6a19\u8b58\u76f8\u540c\uff0c\u5247\u8868\u793a\u7576\u524d\u5ba2\u6236\u7aef\u6301\u6709\u9396\u3002<\/p>\n<h3 id=\"3-%e9%8e%96%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-ChjRfwWMak\">3. \u9396\u7684\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\uff0c\u5efa\u8b70\u5728\u8a2d\u7f6e\u9396\u6642\u540c\u6642\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u9019\u53ef\u4ee5\u901a\u904e<code>SET<\/code>\u547d\u4ee4\u7684<code>EX<\/code>\u53c3\u6578\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>SET lock_key unique_lock_value EX 30 NX\n<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u9396\u5c07\u572830\u79d2\u5f8c\u81ea\u52d5\u91cb\u653e\uff0c\u907f\u514d\u56e0\u70ba\u5ba2\u6236\u7aef\u5d29\u6f70\u6216\u5176\u4ed6\u539f\u56e0\u5c0e\u81f4\u9396\u7121\u6cd5\u91cb\u653e\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-ChjRfwWMak\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528\u552f\u4e00\u6a19\u8b58\uff1a<\/strong>\u78ba\u4fdd\u6bcf\u500b\u5ba2\u6236\u7aef\u5728\u7372\u53d6\u9396\u6642\u4f7f\u7528\u552f\u4e00\u7684\u6a19\u8b58\uff0c\u4ee5\u4fbf\u5728\u6aa2\u67e5\u9396\u72c0\u614b\u6642\u80fd\u5920\u6b63\u78ba\u8b58\u5225\u6301\u6709\u8005\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff1a<\/strong>\u6839\u64da\u696d\u52d9\u9700\u6c42\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u6b7b\u9396\u60c5\u6cc1\u7684\u767c\u751f\u3002<\/li>\n<li><strong>\u8003\u616e\u4f7f\u7528Redisson\u7b49\u5eab\uff1a<\/strong>\u9019\u4e9b\u5eab\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7d1a\u7684\u9396\u6a5f\u5236\uff0c\u7c21\u5316\u4e86\u9396\u7684\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ChjRfwWMak\">\u7e3d\u7d50<\/h2>\n<p>Redis\u67e5\u8a62\u9396\u7684\u72c0\u614b\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u61c9\u7528\u7a0b\u5e8f\u7a69\u5b9a\u6027\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528Redis\u7684\u547d\u4ee4\u548c\u8a2d\u7f6e\u9396\u7684\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u9396\u7684\u72c0\u614b\uff0c\u907f\u514d\u6578\u64da\u885d\u7a81\u548c\u6b7b\u9396\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u6216<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u4f86\u904b\u884cRedis\u670d\u52d9\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Redis\u67e5\u8a62\u9396\u7684\u72c0\u614b\uff0c\u63a2\u7d22\u5176\u6027\u80fd\u5f71\u97ff\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u6548\u7387\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-188328","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188328","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=188328"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188328\/revisions"}],"predecessor-version":[{"id":188329,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188328\/revisions\/188329"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}