{"id":159073,"date":"2024-11-03T11:18:21","date_gmt":"2024-11-03T03:18:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159073\/"},"modified":"2024-11-03T11:18:22","modified_gmt":"2024-11-03T03:18:22","slug":"%e7%b4%85%e8%89%b2%e5%88%9d%e8%ad%98%e8%a7%80%e5%af%9f-redis-%e9%85%8d%e7%bd%ae%ef%bc%88redis-%e9%85%8d%e7%bd%ae-watch%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159073\/","title":{"rendered":"\u7d05\u8272\u521d\u8b58\u89c0\u5bdf Redis \u914d\u7f6e\uff08Redis \u914d\u7f6e watch\uff09"},"content":{"rendered":"<h1 id=\"%e7%b4%85%e8%89%b2%e5%88%9d%e8%ad%98%e8%a7%80%e5%af%9f-redis-%e9%85%8d%e7%bd%ae%ef%bc%88redis-%e9%85%8d%e7%bd%ae-watch%ef%bc%89-DPbfhwJive\">\u7d05\u8272\u521d\u8b58\u89c0\u5bdf Redis \u914d\u7f6e\uff08Redis \u914d\u7f6e watch\uff09<\/h1>\n<p>Redis \u662f\u4e00\u7a2e\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u5728 Redis \u4e2d\uff0c<code>WATCH<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5be6\u73fe\u6a02\u89c0\u9396\u7684\u6a5f\u5236\uff0c\u5f9e\u800c\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\u4fdd\u8b77\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684 <code>WATCH<\/code> \u547d\u4ee4\u53ca\u5176\u914d\u7f6e\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e7%9a%84-watch-%e5%91%bd%e4%bb%a4%ef%bc%9f-DPbfhwJive\">\u4ec0\u9ebc\u662f Redis \u7684 WATCH \u547d\u4ee4\uff1f<\/h2>\n<p><code>WATCH<\/code> \u547d\u4ee4\u7528\u65bc\u76e3\u8996\u4e00\u500b\u6216\u591a\u500b\u9375\uff0c\u7576\u9019\u4e9b\u9375\u5728\u4e8b\u52d9\u57f7\u884c\u4e4b\u524d\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u4fee\u6539\u6642\uff0c\u4e8b\u52d9\u5c07\u7121\u6cd5\u57f7\u884c\u3002\u9019\u7a2e\u6a5f\u5236\u4f7f\u5f97 Redis \u80fd\u5920\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9032\u884c\u591a\u6b65\u64cd\u4f5c\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h3 id=\"watch-%e5%91%bd%e4%bb%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-DPbfhwJive\">WATCH \u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5<\/h3>\n<p>\u4f7f\u7528 <code>WATCH<\/code> \u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>WATCH key1 [key2 ...]<\/code><\/pre>\n<p>\u7576\u4f60\u57f7\u884c <code>WATCH<\/code> \u547d\u4ee4\u5f8c\uff0cRedis \u5c07\u958b\u59cb\u76e3\u8996\u6307\u5b9a\u7684\u9375\u3002\u63a5\u4e0b\u4f86\uff0c\u4f60\u53ef\u4ee5\u57f7\u884c\u4e00\u500b\u4e8b\u52d9\uff0c\u9019\u500b\u4e8b\u52d9\u7531 <code>MULTI<\/code> \u548c <code>EXEC<\/code> \u547d\u4ee4\u7d44\u6210\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>WATCH mykey\nMULTI\nSET mykey \"new value\"\nEXEC<\/code><\/pre>\n<p>\u5982\u679c\u5728 <code>EXEC<\/code> \u547d\u4ee4\u57f7\u884c\u4e4b\u524d\uff0c<code>mykey<\/code> \u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u4fee\u6539\uff0c\u5247\u4e8b\u52d9\u5c07\u5931\u6557\uff0c\u8fd4\u56de <code>nil<\/code>\u3002<\/p>\n<h2 id=\"watch-%e5%91%bd%e4%bb%a4%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-DPbfhwJive\">WATCH \u547d\u4ee4\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u7576\u4f60\u4f7f\u7528 <code>WATCH<\/code> \u547d\u4ee4\u76e3\u8996\u67d0\u500b\u9375\u6642\uff0cRedis \u6703\u5728\u5167\u90e8\u8a18\u9304\u8a72\u9375\u7684\u7576\u524d\u72c0\u614b\u3002\u7576\u4f60\u57f7\u884c <code>EXEC<\/code> \u547d\u4ee4\u6642\uff0cRedis \u6703\u6aa2\u67e5\u6240\u6709\u88ab\u76e3\u8996\u7684\u9375\u662f\u5426\u6709\u8b8a\u66f4\u3002\u5982\u679c\u6709\u8b8a\u66f4\uff0c\u5247\u4e8b\u52d9\u5c07\u88ab\u53d6\u6d88\uff0c\u4e26\u8fd4\u56de <code>nil<\/code>\uff1b\u5982\u679c\u6c92\u6709\u8b8a\u66f4\uff0c\u5247\u4e8b\u52d9\u5c07\u6210\u529f\u57f7\u884c\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-DPbfhwJive\">\u4f7f\u7528\u5834\u666f<\/h3>\n<p><code>WATCH<\/code> \u547d\u4ee4\u7279\u5225\u9069\u5408\u65bc\u4ee5\u4e0b\u5834\u666f\uff1a<\/p>\n<ul>\n<li>\u9700\u8981\u5728\u591a\u500b\u64cd\u4f5c\u4e4b\u9593\u4fdd\u6301\u6578\u64da\u4e00\u81f4\u6027\u7684\u60c5\u6cc1\u3002<\/li>\n<li>\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\uff0c\u907f\u514d\u56e0\u70ba\u6578\u64da\u7af6\u722d\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/li>\n<li>\u9700\u8981\u5be6\u73fe\u6a02\u89c0\u9396\u7684\u61c9\u7528\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-DPbfhwJive\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 <code>WATCH<\/code> \u547d\u4ee4\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u4e00\u65e6\u57f7\u884c\u4e86 <code>EXEC<\/code> \u6216 <code>DISCARD<\/code> \u547d\u4ee4\uff0c\u76e3\u8996\u7684\u9375\u5c07\u4e0d\u518d\u88ab\u76e3\u8996\u3002<\/li>\n<li>\u5982\u679c\u5728 <code>WATCH<\/code> \u547d\u4ee4\u4e4b\u5f8c\uff0c\u57f7\u884c\u4e86\u5176\u4ed6\u7684\u5beb\u64cd\u4f5c\uff0c\u5247\u6703\u5c0e\u81f4\u4e8b\u52d9\u5931\u6557\u3002<\/li>\n<li>\u76e3\u8996\u7684\u9375\u6578\u91cf\u904e\u591a\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-DPbfhwJive\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684 <code>WATCH<\/code> \u547d\u4ee4\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u7a2e\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u548c\u4f7f\u7528 <code>WATCH<\/code> \u547d\u4ee4\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6578\u64da\u7af6\u722d\u554f\u984c\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c Redis \u7684\u914d\u7f6e\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7d05\u8272\u521d\u8b58\u89c0\u5bdf\u4e2d\u7684Redis\u914d\u7f6e\uff0c\u4e86\u89e3\u5982\u4f55\u4f7f\u7528watch\u547d\u4ee4\u9032\u884c\u9ad8\u6548\u7684\u6578\u64da\u76e3\u63a7\u8207\u7ba1\u7406\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-159073","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159073","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=159073"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159073\/revisions"}],"predecessor-version":[{"id":159074,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159073\/revisions\/159074"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159073"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159073"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}