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https://issues.apache.org/jira/browse/HIVE-21312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16776255#comment-16776255
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Zoltan Haindrich commented on HIVE-21312:
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is {{statsList.add(stats)}} threadsafe? I think its a simple arraylist.
Note: I think another approach would be to instead of working with the FS based
things; use Tez counters to haul this data.
> FSStatsAggregator::connect is slow
> ----------------------------------
>
> Key: HIVE-21312
> URL: https://issues.apache.org/jira/browse/HIVE-21312
> Project: Hive
> Issue Type: Improvement
> Components: Statistics
> Reporter: Rajesh Balamohan
> Priority: Trivial
> Attachments: HIVE-21312.1.patch
>
>
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