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https://issues.apache.org/jira/browse/TEZ-4061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17736723#comment-17736723
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László Bodor edited comment on TEZ-4061 at 6/24/23 12:49 PM:
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thanks for reporting this [~glapark], would you like to open a PR with the fix
that you attached as [^diff.diff] ? (assigned this jira to you, let me know if
you don't have the bandwidth to work on this)
was (Author: abstractdog):
thanks for reporting this [~glapark], would you like to open a PR with the fix
that you attached as [^diff.diff] ?
> InputAttemptIdentifier and CompositeInputAttemptIdentifier cannot be compared
> for equality
> ------------------------------------------------------------------------------------------
>
> Key: TEZ-4061
> URL: https://issues.apache.org/jira/browse/TEZ-4061
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.9.1
> Reporter: Sungwoo Park
> Assignee: Sungwoo Park
> Priority: Major
> Fix For: 0.10.3
>
> Attachments: diff.diff
>
>
> InputFailedEvent creates InputAttemtpIdentifier. Since
> InputAttemptIdentifier.equals() tests getClass(), comparing
> InputAttemptIdentifier and CompositeAttemptIdentifier always returns false.
> As a result, the obsolete event reported in InputFailedEvent never matches
> CompositeAttemptIdentifier contained in ShuffleManager.obsoletedInputs and
> ShuffleScheduler.obsoleteInputs.
> When the input of a Task becomes lost, this leads to many redundant reports
> of fetch failures.
>
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