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From "Billy Pearson (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HADOOP-2673) Flusher flushing back to back when it should not be
Date Sun, 03 Feb 2008 20:37:08 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Billy Pearson resolved HADOOP-2673.

    Resolution: Fixed

Issues fixed with with issue HADOOP-2731

> Flusher flushing back to back when it should not be
> ---------------------------------------------------
>                 Key: HADOOP-2673
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2673
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/hbase
>         Environment: hadoop svn 613782
>            Reporter: Billy Pearson
>         Attachments: log.log
> settings:
> hbase.regionserver.optionalcacheflushinterval = 300000 (5 mins)
> hbase.hregion.memcache.flush.size = 67108864 (64MB)
> I am attaching a log for this everything works fine until the first flush of the memcache.
but once it flushes the first time correctly it flushes back to back many times even when
it does not exceed one of the two limits above.
> I have not found but one spot where we update the variable LastFlushTime except when
the server starts so this could be the problem but I may be missing it in the code somewhere.
If it is getting updated then we need to look if something could be blocking it from updating
after a memcache flush.

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