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https://issues.apache.org/jira/browse/TEZ-3625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15883486#comment-15883486
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Siddharth Seth commented on TEZ-3625:
-------------------------------------
This change ended up resulting in a race and occasional deadlock between
dagCompletion and some call from the VertexManagerPlugin for dags with 0
fragments. Reverting.
> Dag.getVertex should obtain a readlock
> --------------------------------------
>
> Key: TEZ-3625
> URL: https://issues.apache.org/jira/browse/TEZ-3625
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Siddharth Seth
> Assignee: Siddharth Seth
> Priority: Minor
> Fix For: 0.9.0, 0.8.5
>
> Attachments: TEZ-3625.01.patch
>
>
> getVertex(String) does not obtain a readLock. It should, similar to
> getVertex(TezVertexId)
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