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https://issues.apache.org/jira/browse/HIVE-16024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15891050#comment-15891050
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Sergio Peña commented on HIVE-16024:
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Probably to avoid OOM issues when fetching a large number of partitions. But
using PartitionIterable should help because it fetches only names, then it
fetches all partition information in batches.
> MSCK Repair Requires nonstrict hive.mapred.mode
> -----------------------------------------------
>
> Key: HIVE-16024
> URL: https://issues.apache.org/jira/browse/HIVE-16024
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Affects Versions: 2.2.0
> Reporter: Barna Zsombor Klara
> Assignee: Barna Zsombor Klara
> Attachments: HIVE-16024.01.patch, HIVE-16024.02.patch,
> HIVE-16024.03.patch
>
>
> MSCK repair fails when hive.mapred.mode is set to strict
> HIVE-13788 modified the way we read up partitions for a table to improve
> performance. Unfortunately it is using PartitionPruner to load the partitions
> which in turn is checking hive.mapred.mode.
> The previous code did not check hive.mapred.mode.
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