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https://issues.apache.org/jira/browse/PARQUET-199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14347796#comment-14347796
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Ryan Blue commented on PARQUET-199:
-----------------------------------
This builds on PARQUET-164; see discussion on Dong's pull request:
https://github.com/apache/incubator-parquet-mr/pull/120
> Add a callback when the MemoryManager adjusts row group size
> ------------------------------------------------------------
>
> Key: PARQUET-199
> URL: https://issues.apache.org/jira/browse/PARQUET-199
> Project: Parquet
> Issue Type: Bug
> Components: parquet-mr
> Reporter: Ryan Blue
>
> Parquet Hive would like to increment a counter when the row group size is
> altered by the memory manager so that Hive can detect when there are memory
> problems and inform the user. I think the right way to do this is to provide
> a callback that will be triggered when the memory manager hits its limit.
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