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https://issues.apache.org/jira/browse/HBASE-23054?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Stack updated HBASE-23054:
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Fix Version/s: 2.2.2
2.1.7
2.3.0
3.0.0
Hadoop Flags: Reviewed
Resolution: Fixed
Status: Resolved (was: Patch Available)
Merged (after fixing the checkstyle and checking the test locally -- passed).
Thanks for the patch [~an...@apache.org]. Nice one.
> Remove synchronization block from MetaTableMetrics and fix LossyCounting
> algorithm
> ----------------------------------------------------------------------------------
>
> Key: HBASE-23054
> URL: https://issues.apache.org/jira/browse/HBASE-23054
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.1.5
> Reporter: Ankit Singhal
> Assignee: Ankit Singhal
> Priority: Major
> Fix For: 3.0.0, 2.3.0, 2.1.7, 2.2.2
>
> Attachments: HBASE-23054.master.001.patch,
> HBASE-23054.master.002.patch
>
>
> While trying to use LossyCounting for HBASE-15519 , found following bugs in
> current implementation
> – Remove synchronization block from MetaTableMetrics to avoid congestion at
> the code
> – Fix license format
> – Fix LossyCounting algorithm as per
> [http://www.vldb.org/conf/2002/S10P03.pdf
> |http://www.vldb.org/conf/2002/S10P03.pdf]
> -- Avoid doing sweep on every insert in LossyCounting
> – Remove extra redundant data structures from MetaTableMetrics.
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