{"id":185448,"date":"2024-11-10T21:38:19","date_gmt":"2024-11-10T13:38:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185448\/"},"modified":"2024-11-10T21:38:20","modified_gmt":"2024-11-10T13:38:20","slug":"%e4%bd%bf%e7%94%a8%e6%a8%82%e8%a7%80%e9%8e%96%e5%af%a6%e7%8f%beredis%e7%9a%84%e9%ab%98%e6%80%a7%e8%83%bd%e4%b8%a6%e7%99%bc%e6%93%8d%e4%bd%9c%ef%bc%88%e6%a8%82%e8%a7%80%e9%8e%96redis%e5%af%a6%e7%8f%be","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185448\/","title":{"rendered":"\u4f7f\u7528\u6a02\u89c0\u9396\u5be6\u73feRedis\u7684\u9ad8\u6027\u80fd\u4e26\u767c\u64cd\u4f5c\uff08\u6a02\u89c0\u9396redis\u5be6\u73fe\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8%e6%a8%82%e8%a7%80%e9%8e%96%e5%af%a6%e7%8f%beredis%e7%9a%84%e9%ab%98%e6%80%a7%e8%83%bd%e4%b8%a6%e7%99%bc%e6%93%8d%e4%bd%9c%ef%bc%88%e6%a8%82%e8%a7%80%e9%8e%96redis%e5%af%a6%e7%8f%be-TkKeahtYtM\">\u4f7f\u7528\u6a02\u89c0\u9396\u5be6\u73feRedis\u7684\u9ad8\u6027\u80fd\u4e26\u767c\u64cd\u4f5c\uff08\u6a02\u89c0\u9396redis\u5be6\u73fe\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u6bcf\u500b\u61c9\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u9700\u6c42\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9ad8\u4e26\u767c\u64cd\u4f5c\u7684\u60c5\u6cc1\u4e0b\u3002\u70ba\u4e86\u6709\u6548\u5730\u7ba1\u7406\u4e26\u767c\u64cd\u4f5c\uff0c\u6a02\u89c0\u9396\u662f\u4e00\u7a2e\u5e38\u7528\u7684\u6280\u8853\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u6a02\u89c0\u9396\uff0c\u4ee5\u63d0\u9ad8\u4e26\u767c\u64cd\u4f5c\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%a8%82%e8%a7%80%e9%8e%96%ef%bc%9f-TkKeahtYtM\">\u4ec0\u9ebc\u662f\u6a02\u89c0\u9396\uff1f<\/h2>\n<p>\u6a02\u89c0\u9396\u662f\u4e00\u7a2e\u4e26\u767c\u63a7\u5236\u6a5f\u5236\uff0c\u8207\u60b2\u89c0\u9396\u4e0d\u540c\uff0c\u6a02\u89c0\u9396\u5047\u8a2d\u591a\u500b\u9032\u7a0b\u4e0d\u6703\u540c\u6642\u4fee\u6539\u540c\u4e00\u8cc7\u6e90\u3002\u5b83\u5728\u64cd\u4f5c\u4e4b\u524d\u4e0d\u6703\u9396\u5b9a\u8cc7\u6e90\uff0c\u800c\u662f\u5728\u64cd\u4f5c\u5b8c\u6210\u5f8c\u6aa2\u67e5\u8cc7\u6e90\u7684\u72c0\u614b\u3002\u5982\u679c\u8cc7\u6e90\u5728\u64cd\u4f5c\u671f\u9593\u672a\u88ab\u5176\u4ed6\u9032\u7a0b\u4fee\u6539\uff0c\u5247\u64cd\u4f5c\u6210\u529f\uff1b\u5426\u5247\uff0c\u64cd\u4f5c\u5c07\u5931\u6557\uff0c\u4e26\u9700\u8981\u91cd\u8a66\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84%e6%a8%82%e8%a7%80%e9%8e%96%e5%af%a6%e7%8f%be-TkKeahtYtM\">Redis\u4e2d\u7684\u6a02\u89c0\u9396\u5be6\u73fe<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u6a02\u89c0\u9396\u7684\u5be6\u73fe\u4e3b\u8981\u4f9d\u8cf4\u65bc\u5176\u539f\u5b50\u64cd\u4f5c\u548c\u4e8b\u52d9\u6a5f\u5236\u3002Redis\u63d0\u4f9b\u4e86MULTI\u3001EXEC\u3001WATCH\u7b49\u547d\u4ee4\u4f86\u652f\u6301\u4e8b\u52d9\u548c\u6a02\u89c0\u9396\u7684\u529f\u80fd\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8watch%e5%91%bd%e4%bb%a4-TkKeahtYtM\">\u4f7f\u7528WATCH\u547d\u4ee4<\/h3>\n<p>WATCH\u547d\u4ee4\u662fRedis\u5be6\u73fe\u6a02\u89c0\u9396\u7684\u95dc\u9375\u3002\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u4f7f\u7528WATCH\u547d\u4ee4\u76e3\u8996\u4e00\u500b\u6216\u591a\u500b\u9375\u6642\uff0c\u9019\u4e9b\u9375\u7684\u72c0\u614b\u5c07\u88ab\u9396\u5b9a\u3002\u7576\u5ba2\u6236\u7aef\u57f7\u884cEXEC\u547d\u4ee4\u6642\uff0cRedis\u6703\u6aa2\u67e5\u9019\u4e9b\u9375\u662f\u5426\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u4fee\u6539\u3002\u5982\u679c\u6c92\u6709\u4fee\u6539\uff0c\u5247\u57f7\u884c\u4e8b\u52d9\uff1b\u5982\u679c\u6709\u4fee\u6539\uff0c\u5247\u4e8b\u52d9\u5c07\u88ab\u53d6\u6d88\u3002<\/p>\n<h4 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-TkKeahtYtM\">\u793a\u4f8b\u4ee3\u78bc<\/h4>\n<pre><code>redis-cli\nWATCH key1\nMULTI\nSET key1 \"new_value\"\nEXEC\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5ba2\u6236\u7aef\u9996\u5148\u76e3\u8996\u4e86key1\u3002\u5982\u679c\u5728MULTI\u548cEXEC\u4e4b\u9593\uff0ckey1\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u4fee\u6539\uff0c\u5247EXEC\u5c07\u4e0d\u6703\u57f7\u884c\uff0c\u4e26\u8fd4\u56denil\u3002<\/p>\n<h3 id=\"%e9%87%8d%e8%a9%a6%e6%a9%9f%e5%88%b6-TkKeahtYtM\">\u91cd\u8a66\u6a5f\u5236<\/h3>\n<p>\u7531\u65bc\u6a02\u89c0\u9396\u7684\u7279\u6027\uff0c\u64cd\u4f5c\u53ef\u80fd\u6703\u56e0\u70ba\u9375\u7684\u72c0\u614b\u8b8a\u5316\u800c\u5931\u6557\u3002\u56e0\u6b64\uff0c\u5be6\u73fe\u4e00\u500b\u91cd\u8a66\u6a5f\u5236\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u7576\u64cd\u4f5c\u5931\u6557\u6642\uff0c\u5ba2\u6236\u7aef\u61c9\u8a72\u91cd\u65b0\u7372\u53d6\u6700\u65b0\u7684\u6578\u64da\uff0c\u7136\u5f8c\u518d\u6b21\u5617\u8a66\u57f7\u884c\u64cd\u4f5c\u3002<\/p>\n<h4 id=\"%e9%87%8d%e8%a9%a6%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-TkKeahtYtM\">\u91cd\u8a66\u793a\u4f8b\u4ee3\u78bc<\/h4>\n<pre><code>redis-cli\nwhile true; do\n    WATCH key1\n    MULTI\n    # \u7372\u53d6\u7576\u524d\u503c\n    current_value=$(redis-cli GET key1)\n    # \u6839\u64da\u7576\u524d\u503c\u8a08\u7b97\u65b0\u503c\n    new_value=$((current_value + 1))\n    SET key1 $new_value\n    result=$(EXEC)\n    if [ \"$result\" != \"\" ]; then\n        break\n    fi\n    # \u5982\u679cEXEC\u5931\u6557\uff0c\u5247\u91cd\u8a66\ndone\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u5ba2\u6236\u7aef\u4e0d\u65b7\u91cd\u8a66\uff0c\u76f4\u5230\u6210\u529f\u57f7\u884cEXEC\u547d\u4ee4\u70ba\u6b62\u3002<\/p>\n<h2 id=\"%e6%a8%82%e8%a7%80%e9%8e%96%e7%9a%84%e5%84%aa%e5%8b%a2-TkKeahtYtM\">\u6a02\u89c0\u9396\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u9ad8\uff1a<\/strong>\u7531\u65bc\u4e0d\u9700\u8981\u9396\u5b9a\u8cc7\u6e90\uff0c\u6a02\u89c0\u9396\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e0b\u80fd\u5920\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u7c21\u5316\u8a2d\u8a08\uff1a<\/strong>\u6a02\u89c0\u9396\u7684\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u6e1b\u5c11\u4e86\u9396\u7684\u7ba1\u7406\u548c\u91cb\u653e\u7684\u8907\u96dc\u6027\u3002<\/li>\n<li><strong>\u964d\u4f4e\u6b7b\u9396\u98a8\u96aa\uff1a<\/strong>\u7531\u65bc\u4e0d\u4f7f\u7528\u9396\uff0c\u6a02\u89c0\u9396\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6b7b\u9396\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TkKeahtYtM\">\u7e3d\u7d50<\/h2>\n<p>\u6a02\u89c0\u9396\u662f\u4e00\u7a2e\u6709\u6548\u7684\u4e26\u767c\u63a7\u5236\u6280\u8853\uff0c\u7279\u5225\u9069\u5408\u65bcRedis\u9019\u6a23\u7684\u9ad8\u6027\u80fd\u6578\u64da\u5b58\u5132\u7cfb\u7d71\u3002\u901a\u904e\u4f7f\u7528WATCH\u547d\u4ee4\u548c\u91cd\u8a66\u6a5f\u5236\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5be6\u73fe\u9ad8\u6548\u7684\u4e26\u767c\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u4e26\u767c\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528\u6a02\u89c0\u9396\u5728Redis\u4e2d\u5be6\u73fe\u9ad8\u6027\u80fd\u7684\u4e26\u767c\u64cd\u4f5c\uff0c\u63d0\u5347\u6578\u64da\u4e00\u81f4\u6027\u8207\u7cfb\u7d71\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-185448","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185448","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=185448"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185448\/revisions"}],"predecessor-version":[{"id":185449,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185448\/revisions\/185449"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}