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https://issues.apache.org/jira/browse/HIVE-12403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eugene Koifman updated HIVE-12403:
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Assignee: (was: Eugene Koifman)
> Too many delta files during Compaction - OOM Part Deux
> ------------------------------------------------------
>
> Key: HIVE-12403
> URL: https://issues.apache.org/jira/browse/HIVE-12403
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Affects Versions: 1.3.0
> Reporter: Eugene Koifman
>
> HIVE-11540 solution is somewhat incomplete.
> Suppose hive.compactor.max.num.delta=10 and there are 1000 delta files to
> compact.
> CompactorMR will currently run 100 jobs on 10 files each to create 100 wider
> delta files but then it will run 1 job which will include 100 of the wider
> deltas.
> it's a simple fix to make sure the max.num.delta is always respected
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