[jira] [Updated] (ZOOKEEPER-1652) zookeeper java client does a reverse dns lookup when connecting

["Patrick Hunt (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-1652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Patrick Hunt updated ZOOKEEPER-1652:
------------------------------------

    Assignee: Sean Bridges
    
> zookeeper java client does a reverse dns lookup when connecting
> ---------------------------------------------------------------
>
>                 Key: ZOOKEEPER-1652
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1652
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: java client
>    Affects Versions: 3.4.5
>            Reporter: Sean Bridges
>            Assignee: Sean Bridges
>            Priority: Critical
>         Attachments: ZOOKEEPER-1652.patch
>
>
> When connecting to zookeeper, the client does a reverse dns lookup on the hostname.  In our environment, the reverse dns lookup takes 5 seconds to fail, causing zookeeper clients to connect slowly.
> The reverse dns lookup occurs in ClientCnx in the calls to adr.getHostName()
> {code}
>             setName(getName().replaceAll("\\(.*\\)",
>                     "(" + addr.getHostName() + ":" + addr.getPort() + ")"));
>             try {
>                 zooKeeperSaslClient = new ZooKeeperSaslClient("zookeeper/"+addr.getHostName());
>             } catch (LoginException e) {
> {code}

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira