[jira] [Assigned] (HBASE-13452) HRegion warning about memstore size miscalculation is not actionable

["Mikhail Antonov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-13452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mikhail Antonov reassigned HBASE-13452:
---------------------------------------

    Assignee: Mikhail Antonov

> HRegion warning about memstore size miscalculation is not actionable
> --------------------------------------------------------------------
>
>                 Key: HBASE-13452
>                 URL: https://issues.apache.org/jira/browse/HBASE-13452
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.0.0
>            Reporter: Dev Lakhani
>            Assignee: Mikhail Antonov
>            Priority: Blocker
>             Fix For: 2.0.0, 1.1.0, 1.0.2
>
>
> During normal operation the HRegion class reports a message related to memstore flushing in HRegion.class :
>       if (!canFlush) {
>         addAndGetGlobalMemstoreSize(-memstoreSize.get());
>       } else if (memstoreSize.get() != 0) {
>         LOG.error("Memstore size is " + memstoreSize.get());
>       }
> The log file is filled with lots of 
> Memstore size is 558744
> Memstore size is 4390632
> Memstore size is 558744 
> ...
> These message are uninformative, clog up the logs and offers no root cause nor solution. Maybe the message needs to be more informative, changed to WARN or some further information provided.



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