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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13452) Uninformative error message in HRegion
Date Fri, 10 Apr 2015 18:25:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14490064#comment-14490064
] 

stack commented on HBASE-13452:
-------------------------------

[~apurtell] Looks bad to me that our size calculation is 'off'. We depend on it being correct.

> Uninformative error message in HRegion
> --------------------------------------
>
>                 Key: HBASE-13452
>                 URL: https://issues.apache.org/jira/browse/HBASE-13452
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 1.0.0
>            Reporter: Dev Lakhani
>
> 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: 190192
> Memstore size is: 442232
> Memstore size is: 190192
> ...
> 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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