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https://issues.apache.org/jira/browse/HIVE-15628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15941939#comment-15941939
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Pengcheng Xiong commented on HIVE-15628:
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I am deferring this to Hive 3.0 as we are going to cut the first RC and it is
not marked as blocker. Please feel free to commit to the branch if this can be
resolved before the release.
> Add more logs for hybrid grace hash join during the initial hash table loading
> ------------------------------------------------------------------------------
>
> Key: HIVE-15628
> URL: https://issues.apache.org/jira/browse/HIVE-15628
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 2.2.0
> Reporter: Wei Zheng
> Assignee: Wei Zheng
>
> This can be useful for debugging memory issues.
> Metrics that can be possibly added:
> 1. Log memory usage after say every 50M data has been loaded
> 2. Add a counter for number of write buffers already allocated
> 3. Log a snapshot of partitions (memory usage for each of them)
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