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https://issues.apache.org/jira/browse/HBASE-3008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12911059#action_12911059
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Todd Lipcon commented on HBASE-3008:
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Unit test? This seems pretty easy to test.
> 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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