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Posted to issues@trafodion.apache.org by "Suresh Subbiah (JIRA)" <ji...@apache.org> on 2015/10/08 06:16:26 UTC

[jira] [Assigned] (TRAFODION-1151) LP Bug: 1442483 - SQL queries hang when Region Server goes down

     [ https://issues.apache.org/jira/browse/TRAFODION-1151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suresh Subbiah reassigned TRAFODION-1151:
-----------------------------------------

    Assignee: Sandhya Sundaresan

> LP Bug: 1442483 - SQL queries hang when Region Server goes down
> ---------------------------------------------------------------
>
>                 Key: TRAFODION-1151
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-1151
>             Project: Apache Trafodion
>          Issue Type: Bug
>          Components: sql-exe
>            Reporter: Sandhya Sundaresan
>            Assignee: Sandhya Sundaresan
>             Fix For: 2.0-incubating
>
>
> When the RS goes down - for example killed by zookeeper due to out of memory conditions, the SQL query that was executing hangs and doesn't timeout for atleast an hour . 
> But subsequent SQL queries immediately detect that RS is down and retirn an Hbase -705 error. 
> The timeout values in JNI calls need to be investigated to see why the hang happens.



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