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https://issues.apache.org/jira/browse/TEZ-4061?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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László Bodor updated TEZ-4061:
------------------------------
Fix Version/s: 0.10.5
(was: 0.10.4)
> 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: 0.10.5
>
> Attachments: diff.diff
>
> Time Spent: 3h 50m
> Remaining Estimate: 0h
>
> 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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