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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2015/09/08 18:42:46 UTC

[jira] [Resolved] (HBASE-5362) ZK connection leak

     [ https://issues.apache.org/jira/browse/HBASE-5362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack resolved HBASE-5362.
--------------------------
    Resolution: Invalid

Resolving as invalid an issue in an old version of hbase no longer supported.

> ZK connection leak
> ------------------
>
>                 Key: HBASE-5362
>                 URL: https://issues.apache.org/jira/browse/HBASE-5362
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>    Affects Versions: 0.90.3
>            Reporter: Ionut Ignatescu
>
> I have an application like a scheduler that starts periodically some MR jobs that reads from one HBase table and write in more tables, changing the row key and the columns list. 
> I have encounted a problem with this: after each MR job, I have +1 connections open to ZK and after a period of time, I have received IOException. I saw that I am not the first that had had this problem, but I didn't see any fix. No in HBase 0.90.4, nor in HBase 0.92.
> To fix this issue I wrote a custom TableInputFormat that forces to close the connection to ZK after each getSplits call. 
> Also, the initTableMapperJob was overwritten.
> I found an open JIRA issue here: https://issues.apache.org/jira/browse/HBASE-3792
> Regards,
> Ionut I. 



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