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From "sunhengxin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-3801) Backup Master blocked when the HMaster Node Fail.
Date Fri, 22 Jul 2011 08:55:58 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

sunhengxin updated HBASE-3801:
------------------------------

    Attachment: patch.txt

> Backup Master blocked when the HMaster Node Fail.
> -------------------------------------------------
>
>                 Key: HBASE-3801
>                 URL: https://issues.apache.org/jira/browse/HBASE-3801
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.90.2, 0.90.3
>         Environment: 1 HMaster
> 1 HMaster -backup
> 6 HResignServer
>            Reporter: Aaron Guo
>         Attachments: patch.txt
>
>
> When the HMaster crash, the Backup HMaster blocked for waiting the ZK notify.
> The Backup HMaster's thread stack is :
> "master-hp1:60000" prio=10 tid=0x00000000484c6800 nid=0x4b56 waiting on condition [0x0000000040209000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
>         at java.lang.Thread.sleep(Native Method)
>         at org.apache.hadoop.hbase.master.HMaster.stallIfBackupMaster(HMaster.java:251)
>         at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:279)
>    Locked ownable synchronizers:
>         - None

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