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Posted to issues@hbase.apache.org by "Lars Francke (JIRA)" <ji...@apache.org> on 2015/11/09 20:42:11 UTC

[jira] [Updated] (HBASE-4203) While master restarts and if the META region's state is OPENING then master cannot assign META until timeout monitor deducts

     [ https://issues.apache.org/jira/browse/HBASE-4203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Francke updated HBASE-4203:
--------------------------------
    Fix Version/s: 0.92.0

> While master restarts and if the META region's state is OPENING then master cannot assign META until timeout monitor deducts
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-4203
>                 URL: https://issues.apache.org/jira/browse/HBASE-4203
>             Project: HBase
>          Issue Type: Bug
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>            Priority: Minor
>             Fix For: 0.92.0
>
>
> 1. Start Master and 2 RS.
> 2. If any exception happens while opening the META region the state in znode will be OPENING.
> 3. If at this point the master restarts then the master will start processing the regions in RIT.
> 4. If the znode is found to be in OPENING then master waits for timeout monitor to deduct and then call opening.
> 5. If default timeout monitor is configured(1800000 sec/30 min) then it will take 30 mins to open the META region itself.
> Soln:
> ====
> Better not to wait for the Timeout monitor period to open catalog tables on Master restart



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