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From "Vishal K (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-1060) QuorumPeer takes a long time to shutdown
Date Tue, 10 May 2011 19:37:47 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-1060?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vishal K updated ZOOKEEPER-1060:
--------------------------------

    Attachment: ZOOKEEPER-1060.patch

patch for trunk

> QuorumPeer takes a long time to shutdown
> ----------------------------------------
>
>                 Key: ZOOKEEPER-1060
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1060
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: quorum
>    Affects Versions: 3.4.0
>            Reporter: Vishal K
>            Assignee: Vishal K
>            Priority: Minor
>             Fix For: 3.4.0
>
>         Attachments: ZOOKEEPER-1060.patch
>
>
> This problem is seen only if you have ZooKeeper embedded in your application. QuorumPeerMain.initializeAndRun()
does a quorumPeer.join() before exiting.
> QuorumPeer.shutdown() tries to cleanup everything, but it does not interrupt itself.
As a result, a if the peer is running FLE, it might be waiting to receive notifications (recvqueue.poll())
in FastLeaderElection. Therefore, quorumPeer.join() will wait until the peer wakes up from
poll().
> The fix is simple - call this.interrupt() in QuorumPeer.shutdown().

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