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https://issues.apache.org/jira/browse/TEZ-992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14127907#comment-14127907
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Jeff Zhang commented on TEZ-992:
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[~bikassaha] Agree that delay it will make it harder to get cleaned up with
time. I will work on this in the next 1 or 2 weeks.
> Recovery data should not be written on AsyncDispatcher thread
> -------------------------------------------------------------
>
> Key: TEZ-992
> URL: https://issues.apache.org/jira/browse/TEZ-992
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Bikas Saha
>
> This may block the DAG operations in case the recovery data needs to be
> synchronously stored. The operations requiring this blocking operation should
> change their state machines to wait for the store operation before moving
> ahead. They will move ahead after they receive notification from the
> RecoveryService that their operation has completed.
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