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https://issues.apache.org/jira/browse/TEZ-3847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16188660#comment-16188660
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Kuhu Shukla commented on TEZ-3847:
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Looks good to me ignoring the minor nit Jason pointed out. Verified test fails
if the null checks are absent.
> AM web controller task counters are empty sometimes
> ---------------------------------------------------
>
> Key: TEZ-3847
> URL: https://issues.apache.org/jira/browse/TEZ-3847
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Jonathan Eagles
> Assignee: Jonathan Eagles
> Attachments: TEZ-3847.001.patch, TEZ-3847.002.patch
>
>
> The interval for statistics and counters are send at longer intervals and the
> TaskAttemptImpl blindly overwrites it stats and counters with null.
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