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Posted to issues@tez.apache.org by "László Bodor (Jira)" <ji...@apache.org> on 2021/06/25 10:02:00 UTC
[jira] [Updated] (TEZ-4061) InputAttemptIdentifier and
CompositeInputAttemptIdentifier cannot be compared for equality
[ https://issues.apache.org/jira/browse/TEZ-4061?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
László Bodor updated TEZ-4061:
------------------------------
Fix Version/s: (was: 0.10.1)
0.10.2
> 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
> Priority: Major
> Fix For: 0.10.2
>
> 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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