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https://issues.apache.org/jira/browse/HBASE-12016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14163575#comment-14163575
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Andrey Stepachev commented on HBASE-12016:
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[~tedyu] file not exists due of missing HBASE-7767. Backporting will take some
time. Or HBASE-12203 can be made instead for adoption of HBASE-7767 to branch1
and this patch will apply.
> Reduce number of versions in Meta table. Make it configurable
> -------------------------------------------------------------
>
> Key: HBASE-12016
> URL: https://issues.apache.org/jira/browse/HBASE-12016
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 2.0.0
> Reporter: Andrey Stepachev
> Assignee: Andrey Stepachev
> Priority: Minor
> Fix For: 2.0.0, 0.98.8, 0.99.1
>
> Attachments: HBASE-12016.patch, HBASE-12016.patch, HBASE-12016.patch,
> HBASE-12016.patch, HBASE-12016.patch, HBASE-12016.patch, HBASE-12016.patch
>
>
> Currently meta keeps up to 10 versions of each KV.
> For big metas it leads to substantial memory overhead and scan slowdowns.
> (see https://issues.apache.org/jira/browse/HBASE-11165 )
> Need to keep reasonable number of versions (suggested value is 3).
> Number of versions configurable via parameter: hbase.meta.versions
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