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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1607) Redo MemStore heap sizing to be accurate, testable, and more like new LruBlockCache
Date Fri, 03 Jul 2009 19:20:47 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1607?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Gray updated HBASE-1607:
---------------------------------

    Attachment: HBASE-1607-v2.patch

Removes any previous changes to HTable.

Updates ConcurrentSkipListMap entry size according to research by erik.

> Redo MemStore heap sizing to be accurate, testable, and more like new LruBlockCache
> -----------------------------------------------------------------------------------
>
>                 Key: HBASE-1607
>                 URL: https://issues.apache.org/jira/browse/HBASE-1607
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.20.0
>            Reporter: Jonathan Gray
>            Assignee: Jonathan Gray
>             Fix For: 0.20.0
>
>         Attachments: HBASE-1607-v1.patch, HBASE-1607-v2.patch
>
>
> MemStore sizing is inaccurate and does not include all overhead.
> I'm going to make it look like the LruBlockCache does.  Will provide a MemStore.heapSize()
method that includes ALL overhead of the MemStore itself.

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