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https://issues.apache.org/jira/browse/TEZ-3912?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kuhu Shukla reassigned TEZ-3912:
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Assignee: Kuhu Shukla
> Fetchers should be more robust to corrupted inputs
> --------------------------------------------------
>
> Key: TEZ-3912
> URL: https://issues.apache.org/jira/browse/TEZ-3912
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Jason Lowe
> Assignee: Kuhu Shukla
> Priority: Major
>
> I recently saw a case where a bad node in the cluster produced corrupted
> shuffle data that caused the codec to throw IllegalArgumentException when
> trying to fetch. Fetchers currently only handle IOException and
> InternalError, and any other type of exception will cause the entire task to
> be torn down. We should consider catching Exception like MapReduce does to
> be more robust in light of other types of errors coming from the codec and
> allow retries to occur.
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