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Posted to dev@parquet.apache.org by "Ryan Blue (JIRA)" <ji...@apache.org> on 2015/05/28 01:18:17 UTC
[jira] [Updated] (PARQUET-199) Add a callback when the
MemoryManager adjusts row group size
[ https://issues.apache.org/jira/browse/PARQUET-199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ryan Blue updated PARQUET-199:
------------------------------
Assignee: Dong Chen
> 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
> Assignee: Dong Chen
>
> 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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