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https://issues.apache.org/jira/browse/HBASE-13452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell resolved HBASE-13452.
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Resolution: Not A Problem
> 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
> Priority: Major
>
> 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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