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From "Jim Kellerman (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-586) HRegion runs HStore memcache snapshotting -- fix it so only HStore knows about workings of memcache
Date Mon, 21 Apr 2008 21:55:21 GMT

    [ https://issues.apache.org/jira/browse/HBASE-586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12591079#action_12591079
] 

Jim Kellerman commented on HBASE-586:
-------------------------------------

Don't understand this part of javadoc for Memcache.getSnapshot:
{code}
   * Called by flusher when it wants to clean up snapshot made by a previous
   * call to {@link snapshot}
{code}

Otherwise +1


> HRegion runs HStore memcache snapshotting -- fix it so only HStore knows about workings
of memcache
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-586
>                 URL: https://issues.apache.org/jira/browse/HBASE-586
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>            Assignee: stack
>            Priority: Critical
>             Fix For: 0.2.0
>
>         Attachments: 586-v2.patch, 586-v3.patch, 586.patch
>
>
> HRegion needs to keep count of memcache sizes.  Currently its trying to run the  memcaches
snapshots so it can keep up this number.  HRegion should know nothing about no memcache snapshotting
-- should be internal to flushing ... especially since HBASE-532 fix.   HRegion can ask for
store sizes....  Add that.

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