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https://issues.apache.org/jira/browse/HIVE-20147?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth Jayachandran updated HIVE-20147:
-----------------------------------------
Resolution: Fixed
Fix Version/s: 3.2.0
4.0.0
Status: Resolved (was: Patch Available)
Committed to master and branch-3. Thanks for the review!
> Hive streaming ingest is contented on synchronized logging
> ----------------------------------------------------------
>
> Key: HIVE-20147
> URL: https://issues.apache.org/jira/browse/HIVE-20147
> Project: Hive
> Issue Type: Bug
> Components: Streaming, Transactions
> Affects Versions: 4.0.0, 3.2.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Priority: Major
> Fix For: 4.0.0, 3.2.0
>
> Attachments: HIVE-20147.1.patch, Screen Shot 2018-07-11 at 4.17.27
> PM.png, sync-logger-contention.svg
>
>
> In one of the observed profile, >30% time spent on synchronized logging. See
> attachment.
> We should use async logging for hive streaming ingest by default. !Screen
> Shot 2018-07-11 at 4.17.27 PM.png!
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