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https://issues.apache.org/jira/browse/HIVE-12988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15198491#comment-15198491
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Ashutosh Chauhan commented on HIVE-12988:
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Can you say how you came to above conclusions because I looked into debugger
1) I see that INSERT OVERWRITE also uses thread-pool which is in
moveFile(HiveConf conf, Path srcf, final Path destf, boolean replace, boolean
isSrcLocal)
2) I do see multiple threads for "MoveDir" getting launched and being active
> Improve dynamic partition loading IV
> ------------------------------------
>
> Key: HIVE-12988
> URL: https://issues.apache.org/jira/browse/HIVE-12988
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Affects Versions: 1.2.0, 2.0.0
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Attachments: HIVE-12988.2.patch, HIVE-12988.2.patch,
> HIVE-12988.3.patch, HIVE-12988.4.patch, HIVE-12988.5.patch,
> HIVE-12988.6.patch, HIVE-12988.7.patch, HIVE-12988.patch
>
>
> Parallelize copyFiles()
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