{"id":163125,"date":"2024-11-04T20:52:23","date_gmt":"2024-11-04T12:52:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163125\/"},"modified":"2024-11-04T20:52:24","modified_gmt":"2024-11-04T12:52:24","slug":"%e7%b5%90%e5%90%88zk%e8%88%87redis%e5%af%a6%e7%8f%be%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96%ef%bc%88zk-redis%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163125\/","title":{"rendered":"\u7d50\u5408ZK\u8207Redis\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\uff08ZK Redis\u5206\u4f48\u5f0f\u9396\uff09"},"content":{"rendered":"<h1 id=\"%e7%b5%90%e5%90%88zk%e8%88%87redis%e5%af%a6%e7%8f%be%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96%ef%bc%88zk-redis%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96%ef%bc%89-jDBnkfIfiD\">\u7d50\u5408ZK\u8207Redis\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\uff08ZK Redis\u5206\u4f48\u5f0f\u9396\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u5171\u4eab\u548c\u5354\u8abf\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5c24\u5176\u662f\u5728\u591a\u500b\u5be6\u4f8b\u540c\u6642\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u7684\u60c5\u6cc1\u4e0b\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u9019\u4e9b\u8a2a\u554f\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002\u5206\u4f48\u5f0f\u9396\u662f\u4e00\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u5b83\u80fd\u5920\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u5167\u53ea\u6709\u4e00\u500b\u5be6\u4f8b\u80fd\u5920\u8a2a\u554f\u7279\u5b9a\u7684\u8cc7\u6e90\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u7d50\u5408Zookeeper\uff08ZK\uff09\u548cRedis\u4f86\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\uff0c\u4e26\u5206\u6790\u5176\u512a\u7f3a\u9ede\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96%ef%bc%9f-jDBnkfIfiD\">\u4ec0\u9ebc\u662f\u5206\u4f48\u5f0f\u9396\uff1f<\/h2>\n<p>\u5206\u4f48\u5f0f\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u591a\u500b\u9032\u7a0b\u6216\u670d\u52d9\u4e4b\u9593\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5b83\u7684\u4e3b\u8981\u76ee\u7684\u662f\u9632\u6b62\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9019\u7a2e\u9396\u7684\u5be6\u73fe\u901a\u5e38\u4f9d\u8cf4\u65bc\u5916\u90e8\u7684\u5354\u8abf\u670d\u52d9\uff0c\u5982Zookeeper\u6216Redis\u3002<\/p>\n<h2 id=\"zookeeper%e8%88%87redis%e7%9a%84%e7%b0%a1%e4%bb%8b-jDBnkfIfiD\">Zookeeper\u8207Redis\u7684\u7c21\u4ecb<\/h2>\n<h3 id=\"zookeeper-jDBnkfIfiD\">Zookeeper<\/h3>\n<p>Zookeeper\u662f\u4e00\u500b\u958b\u6e90\u7684\u5206\u4f48\u5f0f\u5354\u8abf\u670d\u52d9\uff0c\u4e3b\u8981\u7528\u65bc\u7ba1\u7406\u5927\u578b\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u914d\u7f6e\u3001\u547d\u540d\u3001\u540c\u6b65\u548c\u63d0\u4f9b\u96c6\u7fa4\u670d\u52d9\u3002\u5b83\u4f7f\u7528\u4e00\u7a2e\u6a39\u72c0\u7d50\u69cb\u4f86\u5b58\u5132\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u9ad8\u53ef\u7528\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<h3 id=\"redis-jDBnkfIfiD\">Redis<\/h3>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u5feb\u901f\u7684\u8b80\u5beb\u6027\u80fd\uff0cRedis\u5e38\u88ab\u7528\u4f5c\u7de9\u5b58\u548c\u6d88\u606f\u968a\u5217\uff0c\u4e5f\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u3002<\/p>\n<h2 id=\"%e7%b5%90%e5%90%88zk%e8%88%87redis%e5%af%a6%e7%8f%be%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96-jDBnkfIfiD\">\u7d50\u5408ZK\u8207Redis\u5be6\u73fe\u5206\u4f48\u5f0f\u9396<\/h2>\n<p>\u7d50\u5408Zookeeper\u548cRedis\u4f86\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u7684\u601d\u8def\u662f\u5229\u7528Zookeeper\u7684\u5f37\u4e00\u81f4\u6027\u548cRedis\u7684\u9ad8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8zookeeper%e9%80%b2%e8%a1%8c%e9%8e%96%e7%9a%84%e7%ae%a1%e7%90%86-jDBnkfIfiD\">1. \u4f7f\u7528Zookeeper\u9032\u884c\u9396\u7684\u7ba1\u7406<\/h3>\n<p>\u9996\u5148\uff0c\u5728Zookeeper\u4e2d\u5275\u5efa\u4e00\u500b\u7bc0\u9ede\u4f86\u8868\u793a\u9396\u3002\u7576\u4e00\u500b\u5be6\u4f8b\u9700\u8981\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5617\u8a66\u5275\u5efa\u9019\u500b\u7bc0\u9ede\u3002\u5982\u679c\u7bc0\u9ede\u5275\u5efa\u6210\u529f\uff0c\u5247\u8868\u793a\u7372\u5f97\u9396\uff1b\u5982\u679c\u5931\u6557\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u5be6\u4f8b\u6301\u6709\u3002<\/p>\n<pre><code>import org.apache.zookeeper.*;\nimport org.apache.zookeeper.Watcher.Event.KeeperState;\n\npublic class ZKLock {\n    private ZooKeeper zk;\n    private String lockNode = \"\/lock\";\n\n    public ZKLock(String host) throws Exception {\n        zk = new ZooKeeper(host, 3000, new Watcher() {\n            public void process(WatchedEvent event) {\n                if (event.getState() == KeeperState.Disconnected) {\n                    \/\/ Handle disconnection\n                }\n            }\n        });\n    }\n\n    public boolean acquireLock() throws Exception {\n        try {\n            zk.create(lockNode, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.EPHEMERAL);\n            return true;\n        } catch (KeeperException.NodeExistsException e) {\n            return false;\n        }\n    }\n\n    public void releaseLock() throws Exception {\n        zk.delete(lockNode, -1);\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8redis%e9%80%b2%e8%a1%8c%e9%8e%96%e7%9a%84%e7%8b%80%e6%85%8b%e7%ae%a1%e7%90%86-jDBnkfIfiD\">2. \u4f7f\u7528Redis\u9032\u884c\u9396\u7684\u72c0\u614b\u7ba1\u7406<\/h3>\n<p>\u5728\u7372\u5f97Zookeeper\u9396\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u4f86\u7ba1\u7406\u9396\u7684\u72c0\u614b\u3002\u9019\u6a23\u53ef\u4ee5\u5229\u7528Redis\u7684\u9ad8\u6027\u80fd\u4f86\u5feb\u901f\u6aa2\u67e5\u9396\u7684\u72c0\u614b\uff0c\u4e26\u5728\u9700\u8981\u6642\u9032\u884c\u9396\u7684\u91cb\u653e\u3002<\/p>\n<pre><code>import redis.clients.jedis.Jedis;\n\npublic class RedisLock {\n    private Jedis jedis;\n    private String lockKey = \"distributed_lock\";\n\n    public RedisLock(String host) {\n        jedis = new Jedis(host);\n    }\n\n    public boolean acquireLock() {\n        String result = jedis.set(lockKey, \"locked\", \"NX\", \"EX\", 10);\n        return \"OK\".equals(result);\n    }\n\n    public void releaseLock() {\n        jedis.del(lockKey);\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e5%84%aa%e7%bc%ba%e9%bb%9e%e5%88%86%e6%9e%90-jDBnkfIfiD\">\u512a\u7f3a\u9ede\u5206\u6790<\/h2>\n<h3 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id=\"%e7%b8%bd%e7%b5%90-jDBnkfIfiD\">\u7e3d\u7d50<\/h2>\n<p>\u7d50\u5408Zookeeper\u8207Redis\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u5728\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\u5354\u8abf\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u3002\u96d6\u7136\u9019\u7a2e\u65b9\u6cd5\u5177\u6709\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u512a\u52e2\uff0c\u4f46\u4e5f\u5e36\u4f86\u4e86\u7cfb\u7d71\u8907\u96dc\u6027\u548c\u6545\u969c\u8655\u7406\u7684\u6311\u6230\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u8cc7\u6e90\u7ba1\u7406\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\uff0c\u9019\u7a2e\u65b9\u6cd5\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/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\u7d50\u5408ZK\u8207Redis\u5be6\u73fe\u9ad8\u6548\u7684\u5206\u4f48\u5f0f\u9396\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6027\u80fd\uff0c\u78ba\u4fdd\u8cc7\u6e90\u7684\u5b89\u5168\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-163125","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163125","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=163125"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163125\/revisions"}],"predecessor-version":[{"id":163126,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163125\/revisions\/163126"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}