{"id":5110,"date":"2024-11-14T08:28:52","date_gmt":"2024-11-14T00:28:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5110\/"},"modified":"2024-11-14T08:28:52","modified_gmt":"2024-11-14T00:28:52","slug":"redis%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81%e6%80%8e%e4%b9%88%e9%87%8a%e6%94%be","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5110\/","title":{"rendered":"redis\u5206\u5e03\u5f0f\u9501\u600e\u4e48\u91ca\u653e"},"content":{"rendered":"<p><strong>\u5982\u4f55\u91ca\u653e  \u5206\u5e03\u5f0f\u9501<\/strong><\/p>\n<p>Redis \u5206\u5e03\u5f0f\u9501\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u534f\u8c03\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u7684\u6280\u672f\u3002\u91ca\u653e\u5206\u5e03\u5f0f\u9501\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u786e\u4fdd\u8d44\u6e90\u5728\u4f7f\u7528\u540e\u88ab\u6b63\u786e\u91ca\u653e\uff0c\u4ece\u800c\u9632\u6b62\u6b7b\u9501\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/p>\n<p><strong>\u91ca\u653e Redis \u5206\u5e03\u5f0f\u9501\u7684\u6b65\u9aa4\uff1a<\/strong><\/p>\n<p><strong>1. \u83b7\u53d6\u9501\u7684\u5f53\u524d\u6301\u6709\u8005\u7684\u6807\u8bc6\u7b26\uff1a<\/strong><br \/>\u4f7f\u7528 EVAL \u547d\u4ee4\u4ece Redis \u4e2d\u83b7\u53d6\u9501\u7684\u5f53\u524d\u6301\u6709\u8005\u3002<\/p>\n<pre>EVAL \"return redis.call('GET', KEYS[1])\" 1 &lt;lock_key&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u68c0\u67e5\u662f\u5426\u4e3a\u5f53\u524d\u6301\u6709\u8005\uff1a<\/strong><br \/>\u68c0\u67e5\u5f53\u524d\u6301\u6709\u8005\u7684\u6807\u8bc6\u7b26\u662f\u5426\u4e0e\u8fdb\u7a0b\u7684\u6807\u8bc6\u7b26\u5339\u914d\u3002\u5982\u679c\u5339\u914d\uff0c\u5219\u8be5\u8fdb\u7a0b\u6709\u6743\u91ca\u653e\u9501\u3002<\/p>\n<p><strong>3. \u5220\u9664\u9501\uff1a<\/strong><br \/>\u5982\u679c\u8fdb\u7a0b\u6709\u6743\u91ca\u653e\u9501\uff0c\u5219\u4f7f\u7528 DEL \u547d\u4ee4\u4ece Redis \u4e2d\u5220\u9664\u9501\u3002<\/p>\n<pre>DEL &lt;lock_key&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5176\u4ed6\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u786e\u4fdd\u5728\u91ca\u653e\u9501\u4e4b\u524d\u5df2\u7ecf\u5b8c\u6210\u5bf9\u8d44\u6e90\u7684\u64cd\u4f5c\u3002<\/li>\n<li>\u5982\u679c\u8fdb\u7a0b\u5728\u83b7\u53d6\u9501\u540e\u610f\u5916\u4e2d\u65ad\uff0c\u5219\u9501\u5c06\u88ab\u81ea\u52a8\u91ca\u653e\uff0c\u4f46\u91ca\u653e\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\u3002<\/li>\n<li>\u4e3a\u4e86\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u5efa\u8bae\u5728\u91ca\u653e\u9501\u4e4b\u524d\u4f7f\u7528\u4e8b\u52a1\u6765\u539f\u5b50\u5730\u6267\u884c\u83b7\u53d6\u548c\u8bbe\u7f6e\u64cd\u4f5c\u3002<\/li>\n<li>\u5982\u679c\u591a\u4e2a\u8fdb\u7a0b\u540c\u65f6\u5c1d\u8bd5\u91ca\u653e\u9501\uff0c\u5219\u53ea\u6709\u5f53\u524d\u6301\u6709\u8005\u53ef\u4ee5\u6210\u529f\u91ca\u653e\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5206\u5e03\u5f0f\u9501\u600e\u4e48\u91ca\u653e\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u91ca\u653e \u5206\u5e03\u5f0f\u9501 Redis \u5206\u5e03\u5f0f\u9501\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u534f\u8c03\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u7684\u6280\u672f\u3002\u91ca\u653e\u5206\u5e03\u5f0f\u9501\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u786e\u4fdd\u8d44\u6e90\u5728\u4f7f\u7528\u540e\u88ab\u6b63\u786e\u91ca\u653e\uff0c\u4ece\u800c\u9632\u6b62\u6b7b\u9501\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u3002 \u91ca\u653e Redis \u5206\u5e03\u5f0f\u9501\u7684\u6b65\u9aa4\uff1a 1. \u83b7\u53d6\u9501\u7684\u5f53\u524d\u6301\u6709\u8005\u7684\u6807\u8bc6\u7b26\uff1a\u4f7f\u7528 EVAL \u547d\u4ee4\u4ece Redis \u4e2d\u83b7\u53d6\u9501\u7684\u5f53\u524d\u6301\u6709\u8005\u3002 EVAL &#8220;return redis.call(&#8216;GET&#8217;, KEYS[1])&#8221; 1 &lt;lock_key&gt; \u767b\u5f55\u540e\u590d\u5236 2. \u68c0\u67e5\u662f\u5426\u4e3a\u5f53\u524d\u6301\u6709\u8005\uff1a\u68c0\u67e5\u5f53\u524d\u6301\u6709\u8005\u7684\u6807\u8bc6\u7b26\u662f\u5426\u4e0e\u8fdb\u7a0b\u7684\u6807\u8bc6\u7b26\u5339\u914d\u3002\u5982\u679c\u5339\u914d\uff0c\u5219\u8be5\u8fdb\u7a0b\u6709\u6743\u91ca\u653e\u9501\u3002 3. \u5220\u9664\u9501\uff1a\u5982\u679c\u8fdb\u7a0b\u6709\u6743\u91ca\u653e\u9501\uff0c\u5219\u4f7f\u7528 DEL \u547d\u4ee4\u4ece Redis \u4e2d\u5220\u9664\u9501\u3002 DEL &lt;lock_key&gt; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4ed6\u6ce8\u610f\u4e8b\u9879\uff1a \u786e\u4fdd\u5728\u91ca\u653e\u9501\u4e4b\u524d\u5df2\u7ecf\u5b8c\u6210\u5bf9\u8d44\u6e90\u7684\u64cd\u4f5c\u3002 \u5982\u679c\u8fdb\u7a0b\u5728\u83b7\u53d6\u9501\u540e\u610f\u5916\u4e2d\u65ad\uff0c\u5219\u9501\u5c06\u88ab\u81ea\u52a8\u91ca\u653e\uff0c\u4f46\u91ca\u653e\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\u3002 \u4e3a\u4e86\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u5efa\u8bae\u5728\u91ca\u653e\u9501\u4e4b\u524d\u4f7f\u7528\u4e8b\u52a1\u6765\u539f\u5b50\u5730\u6267\u884c\u83b7\u53d6\u548c\u8bbe\u7f6e\u64cd\u4f5c\u3002 \u5982\u679c\u591a\u4e2a\u8fdb\u7a0b\u540c\u65f6\u5c1d\u8bd5\u91ca\u653e\u9501\uff0c\u5219\u53ea\u6709\u5f53\u524d\u6301\u6709\u8005\u53ef\u4ee5\u6210\u529f\u91ca\u653e\u3002 \u4ee5\u4e0a\u5c31\u662f\u5206\u5e03\u5f0f\u9501\u600e\u4e48\u91ca\u653e\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5110","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5110"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5110\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}