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Posted to issues@hbase.apache.org by "Mikhail Antonov (JIRA)" <ji...@apache.org> on 2015/07/03 10:57:05 UTC
[jira] [Updated] (HBASE-12016) Reduce number of versions in Meta
table. Make it configurable
[ https://issues.apache.org/jira/browse/HBASE-12016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mikhail Antonov updated HBASE-12016:
------------------------------------
Fix Version/s: 1.0.0
> 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: 1.0.0, 2.0.0
>
> 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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