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https://issues.apache.org/jira/browse/TEZ-2288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siddharth Seth resolved TEZ-2288.
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Resolution: Done
Fix Version/s: 0.7.0
Fixed as part of TEZ-1897.
> Remove unnecessary contention on locks by getDag, getTask, getVertex etc
> ------------------------------------------------------------------------
>
> Key: TEZ-2288
> URL: https://issues.apache.org/jira/browse/TEZ-2288
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Siddharth Seth
> Fix For: 0.7.0
>
>
> There's a lot of unnecessary contention on the dag lock when trying to find a
> task or vertex. Likewise, there's likely contention on Vertex locks. A lot of
> this is avoidable. One simple fix would be to make the dag / vertex etc
> available in Tasks.
> appContext.getCurrentDag doesn't seem to be thread safe either.
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