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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-3008) Memstore.updateColumnValue passes wrong flag to heapSizeChange
Date Thu, 16 Sep 2010 22:54:33 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Daniel Cryans updated HBASE-3008:
--------------------------------------

    Attachment: HBASE-3008.patch

This is the patch that Ryan wrote and that fixes the issue.

> Memstore.updateColumnValue passes wrong flag to heapSizeChange
> --------------------------------------------------------------
>
>                 Key: HBASE-3008
>                 URL: https://issues.apache.org/jira/browse/HBASE-3008
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.90.0
>
>         Attachments: HBASE-3008.patch
>
>
> Memstore.updateColumnValue passes the wrong flag to heapSizeChange, making it so that
the size keeps growing while the actual size is probably the same. For example, in our production
environment we see tables that only take ICVs doing flushes of a few KBs when it thinks there's
64MB in:
> {noformat}
> Started memstore flush for region somecountingtable,,1248719998664.121282795. Current
region memstore size 64.0
> Added hdfs://borg9:9000/hbase/somecountingtable/121282795/counter/3564459650504019443,
entries=905, sequenceid=72504291507, 
> memsize=183.3k, filesize=18.5k to somecountingtable,,1248719998664.121282795
> {noformat}

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