{"id":184520,"date":"2024-11-10T13:54:20","date_gmt":"2024-11-10T05:54:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184520\/"},"modified":"2024-11-10T13:54:21","modified_gmt":"2024-11-10T05:54:21","slug":"%e4%bd%bf%e7%94%a8redis%e7%9b%a3%e8%81%bd%e5%af%a6%e7%8f%be%e4%b8%bb%e5%be%9e%e5%88%87%e6%8f%9b%ef%bc%88redis%e7%9b%a3%e8%81%bd%e4%b8%bb%e5%be%9e%e5%88%87%e6%8f%9b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184520\/","title":{"rendered":"\u4f7f\u7528Redis\u76e3\u807d\u5be6\u73fe\u4e3b\u5f9e\u5207\u63db\uff08redis\u76e3\u807d\u4e3b\u5f9e\u5207\u63db\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e7%9b%a3%e8%81%bd%e5%af%a6%e7%8f%be%e4%b8%bb%e5%be%9e%e5%88%87%e6%8f%9b-QZkUriesjO\">\u4f7f\u7528Redis\u76e3\u807d\u5be6\u73fe\u4e3b\u5f9e\u5207\u63db<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u4e2d\u3002\u4e3b\u5f9e\u5207\u63db\u662fRedis\u7684\u4e00\u500b\u91cd\u8981\u7279\u6027\uff0c\u80fd\u5920\u5728\u4e3b\u7bc0\u9ede\u6545\u969c\u6642\u81ea\u52d5\u5207\u63db\u5230\u5f9e\u7bc0\u9ede\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u7684\u76e3\u807d\u529f\u80fd\u4f86\u5be6\u73fe\u4e3b\u5f9e\u5207\u63db\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e4%b8%bb%e5%be%9e%e6%9e%b6%e6%a7%8b-QZkUriesjO\">Redis\u7684\u4e3b\u5f9e\u67b6\u69cb<\/h2>\n<p>Redis\u7684\u4e3b\u5f9e\u67b6\u69cb\u5141\u8a31\u4e00\u500b\u4e3b\u7bc0\u9ede\uff08Master\uff09\u548c\u591a\u500b\u5f9e\u7bc0\u9ede\uff08Slave\uff09\u4e4b\u9593\u9032\u884c\u6578\u64da\u8907\u88fd\u3002\u4e3b\u7bc0\u9ede\u8ca0\u8cac\u8655\u7406\u6240\u6709\u7684\u5beb\u5165\u8acb\u6c42\uff0c\u800c\u5f9e\u7bc0\u9ede\u5247\u8ca0\u8cac\u8655\u7406\u8b80\u53d6\u8acb\u6c42\u3002\u9019\u7a2e\u67b6\u69cb\u4e0d\u50c5\u63d0\u9ad8\u4e86\u8b80\u53d6\u6027\u80fd\uff0c\u9084\u80fd\u5728\u4e3b\u7bc0\u9ede\u6545\u969c\u6642\u63d0\u4f9b\u5197\u9918\u652f\u6301\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e8%81%bd%e5%8a%9f%e8%83%bd%e7%9a%84%e6%a6%82%e8%bf%b0-QZkUriesjO\">\u76e3\u807d\u529f\u80fd\u7684\u6982\u8ff0<\/h2>\n<p>Redis\u7684\u76e3\u807d\u529f\u80fd\u5141\u8a31\u7528\u6236\u8a02\u95b1\u7279\u5b9a\u7684\u4e8b\u4ef6\uff0c\u4e26\u5728\u4e8b\u4ef6\u767c\u751f\u6642\u63a5\u6536\u901a\u77e5\u3002\u9019\u5c0d\u65bc\u5be6\u73fe\u4e3b\u5f9e\u5207\u63db\u975e\u5e38\u6709\u7528\uff0c\u56e0\u70ba\u6211\u5011\u53ef\u4ee5\u76e3\u63a7\u4e3b\u7bc0\u9ede\u7684\u72c0\u614b\uff0c\u4e26\u5728\u6aa2\u6e2c\u5230\u6545\u969c\u6642\u81ea\u52d5\u5207\u63db\u5230\u5f9e\u7bc0\u9ede\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be%e4%b8%bb%e5%be%9e%e5%88%87%e6%8f%9b%e7%9a%84%e6%ad%a5%e9%a9%9f-QZkUriesjO\">\u5be6\u73fe\u4e3b\u5f9e\u5207\u63db\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e8%a8%ad%e7%bd%aeredis%e4%b8%bb%e5%be%9e%e8%a4%87%e8%a3%bd-QZkUriesjO\">1. \u8a2d\u7f6eRedis\u4e3b\u5f9e\u8907\u88fd<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u8a2d\u7f6eRedis\u7684\u4e3b\u5f9e\u8907\u88fd\u3002\u9019\u53ef\u4ee5\u901a\u904e\u5728\u5f9e\u7bc0\u9ede\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>replicaof  <\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u5f9e\u7bc0\u9ede\u5c31\u6703\u958b\u59cb\u5f9e\u4e3b\u7bc0\u9ede\u8907\u88fd\u6578\u64da\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8redis%e7%9a%84%e7%9b%a3%e8%81%bd%e5%8a%9f%e8%83%bd-QZkUriesjO\">2. \u4f7f\u7528Redis\u7684\u76e3\u807d\u529f\u80fd<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u4f7f\u7528Redis\u7684\u76e3\u807d\u529f\u80fd\u4f86\u76e3\u63a7\u4e3b\u7bc0\u9ede\u7684\u72c0\u614b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a02\u95b1\u4e3b\u7bc0\u9ede\u7684\u4e8b\u4ef6\uff1a<\/p>\n<pre><code>PSUBSCRIBE __key*__<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u63a5\u6536\u5230\u6240\u6709\u8207\u9375\u76f8\u95dc\u7684\u4e8b\u4ef6\u901a\u77e5\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%b8%ac%e4%b8%bb%e7%af%80%e9%bb%9e%e7%9a%84%e6%95%85%e9%9a%9c-QZkUriesjO\">3. \u6aa2\u6e2c\u4e3b\u7bc0\u9ede\u7684\u6545\u969c<\/h3>\n<p>\u5728\u63a5\u6536\u5230\u4e8b\u4ef6\u901a\u77e5\u5f8c\uff0c\u6211\u5011\u9700\u8981\u6aa2\u6e2c\u4e3b\u7bc0\u9ede\u7684\u72c0\u614b\u3002\u53ef\u4ee5\u901a\u904e\u5b9a\u671f\u767c\u9001PING\u547d\u4ee4\u4f86\u6aa2\u67e5\u4e3b\u7bc0\u9ede\u662f\u5426\u4ecd\u7136\u53ef\u7528\uff1a<\/p>\n<pre><code>PING<\/code><\/pre>\n<p>\u5982\u679c\u4e3b\u7bc0\u9ede\u672a\u80fd\u97ff\u61c9\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u8a8d\u70ba\u5b83\u5df2\u7d93\u6545\u969c\u3002<\/p>\n<h3 id=\"4-%e5%88%87%e6%8f%9b%e5%88%b0%e5%be%9e%e7%af%80%e9%bb%9e-QZkUriesjO\">4. \u5207\u63db\u5230\u5f9e\u7bc0\u9ede<\/h3>\n<p>\u4e00\u65e6\u6aa2\u6e2c\u5230\u4e3b\u7bc0\u9ede\u6545\u969c\uff0c\u6211\u5011\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u5c07\u5f9e\u7bc0\u9ede\u63d0\u5347\u70ba\u4e3b\u7bc0\u9ede\uff1a<\/p>\n<pre><code>SLAVEOF NO ONE<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u5f9e\u7bc0\u9ede\u5c31\u6703\u6210\u70ba\u65b0\u7684\u4e3b\u7bc0\u9ede\uff0c\u4e26\u958b\u59cb\u63a5\u53d7\u5beb\u5165\u8acb\u6c42\u3002<\/p>\n<h3 id=\"5-%e6%9b%b4%e6%96%b0%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e9%85%8d%e7%bd%ae-QZkUriesjO\">5. \u66f4\u65b0\u61c9\u7528\u7a0b\u5e8f\u914d\u7f6e<\/h3>\n<p>\u6700\u5f8c\uff0c\u6211\u5011\u9700\u8981\u66f4\u65b0\u61c9\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\uff0c\u4ee5\u6307\u5411\u65b0\u7684\u4e3b\u7bc0\u9ede\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4fee\u6539\u61c9\u7528\u7a0b\u5e8f\u7684\u6578\u64da\u5eab\u9023\u63a5\u914d\u7f6e\u4f86\u5be6\u73fe\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-QZkUriesjO\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Python\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u7684\u76e3\u807d\u529f\u80fd\u4f86\u5be6\u73fe\u4e3b\u5f9e\u5207\u63db\uff1a<\/p>\n<pre><code>import redis\nimport time\n\ndef monitor_master(master_ip, master_port):\n    r = redis.Redis(host=master_ip, port=master_port)\n    while True:\n        try:\n            r.ping()\n            print(\"Master is alive\")\n            time.sleep(5)\n        except redis.ConnectionError:\n            print(\"Master is down, switching to slave\")\n            # \u5207\u63db\u5230\u5f9e\u7bc0\u9ede\u7684\u908f\u8f2f\n            break\n\nmonitor_master('127.0.0.1', 6379)<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QZkUriesjO\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u7684\u76e3\u807d\u529f\u80fd\u4f86\u5be6\u73fe\u4e3b\u5f9e\u5207\u63db\u662f\u4e00\u7a2e\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u3002\u901a\u904e\u8a2d\u7f6e\u4e3b\u5f9e\u8907\u88fd\u3001\u76e3\u63a7\u4e3b\u7bc0\u9ede\u72c0\u614b\u4ee5\u53ca\u5728\u6545\u969c\u6642\u81ea\u52d5\u5207\u63db\u5230\u5f9e\u7bc0\u9ede\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u5728\u9762\u5c0d\u6545\u969c\u6642\u4ecd\u7136\u80fd\u5920\u6b63\u5e38\u904b\u884c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u548c\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Redis\u76e3\u807d\u529f\u80fd\u5be6\u73fe\u4e3b\u5f9e\u5207\u63db\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7684\u53ef\u7528\u6027\u8207\u6027\u80fd\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\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-184520","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184520","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=184520"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184520\/revisions"}],"predecessor-version":[{"id":184521,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184520\/revisions\/184521"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}