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https://issues.apache.org/jira/browse/TEZ-3701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16032118#comment-16032118
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Jonathan Eagles commented on TEZ-3701:
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[~rajesh.balamohan], the LOG.info used to be called only if debug is enabled,
but has been promoted to printing if info logging is enabled. Is this by
design? Changes look fine after that.
> UnorderedPartitionedKVWriter - issues with parallel Deflater usage,
> synchronousqueue in threadpool
> --------------------------------------------------------------------------------------------------
>
> Key: TEZ-3701
> URL: https://issues.apache.org/jira/browse/TEZ-3701
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Harish Jaiprakash
> Assignee: Rajesh Balamohan
> Priority: Blocker
> Attachments: TEZ-3701.2.patch, TEZ-3701.3.patch, TEZ-3701.4.patch,
> TEZ-3701.5.patch, TEZ-3701.6.patch, TEZ-3701.7.patch, TEZ-3701.8.patch,
> TEZ-3701.9.patch
>
>
> UnorderedPartitionedKVWriter add task to the executor, but does not wait for
> them to finish before starting the final merge. This can cause finalMerge to
> fail or write incorrect data.
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