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This article will explain in detail how to operate zookeeper in apache curator. The content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

First of all, let's briefly introduce apache curator.

Apache Curator is Apache ZooKeeper's Java / JVM client library, and Apache ZooKeeper is a distributed coordination service. It includes an advanced API framework and utilities that make Apache ZooKeeper easier and more reliable. It also includes recipes for common use cases and extensions, such as service discovery and Java 8 asynchronous DSL.

Curator project components

Maven dependence

Distributed lock implementation

Org.apache.curator curator-recipes 4.1.0public static void main (String [] args) {String zookeeperConnectionString = "localhost:2181"; RetryPolicy retryPolicy = new ExponentialBackoffRetry (1000, 3); CuratorFramework client = CuratorFrameworkFactory.newClient (zookeeperConnectionString, retryPolicy); client.start () Try {/ / create a distributed lock. The root node path of the lock space is / curator/lock InterProcessMutex lock = new InterProcessMutex (client, "/ curator/lock"). If (lock.acquire (1000, TimeUnit.SECONDS)) {try {/ / do some work inside of the critical section here System.out.println ("do some work inside of the critical section here") } finally {/ / complete the business process and release the lock lock.release ();} catch (Exception e) {e.printStackTrace () }} on how to operate zookeeper in apache curator to share here, I hope the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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