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https://issues.apache.org/jira/browse/TEZ-992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Turner Eagles resolved TEZ-992.
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Resolution: Won't Fix
Closing recovery v1 bugs/features.
> 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
> Assignee: Jeff Zhang
> Priority: Major
> Attachments: DAG_FinishSaving.gv, DAG_FinishSaving_2.gv,
> DAG_FinishSaving_2.pdf, TEZ-992.patch, Vertex_FinishSaving.gv,
> Vertex_FinishSaving_2.gv, Vertex_FinishSaving_2.pdf
>
>
> 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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