2.4.3. Upgrade ZooKeeper

  1. From Ambari Web, browse to Services > ZooKeeper.

  2. Start ZooKeeper by selecting Service Actions > Start. This will push the new ZooKeeper configurations and start the ZooKeeper servers.

  3. Save the old ZooKeeper configuration and add symlink from /etc/zookeeper/conf:

    mv /etc/zookeeper/conf /etc/zookeeper/conf.saved

    ln -s /usr/hdp/current/zookeeper-client/conf /etc/zookeeper/conf

    ls -la /etc/zookeeper

    total 4
    drwxr-xr-x 3 root root 4096 Jun 19 21:51 2.3.0.0-2323
    lrwxrwxrwx 1 root root   35 Jun 19 21:54 conf -> /usr/hdp/current/zookeeper-client/conf
    drwxr-xr-x 2 root root 4096 Jun 14 00:11 conf.saved

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