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https://issues.apache.org/jira/browse/TEZ-1954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14560185#comment-14560185
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Jeff Zhang commented on TEZ-1954:
---------------------------------
I believe things will change after TEZ-1273.
> Multiple instances of Inconsistent synchronization in
> org.apache.tez.dag.app.DAGAppMaster.
> ------------------------------------------------------------------------------------------
>
> Key: TEZ-1954
> URL: https://issues.apache.org/jira/browse/TEZ-1954
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Hitesh Shah
>
> Inconsistent synchronization of org.apache.tez.dag.app.DAGAppMaster.amTokens;
> locked 50% of time
> Inconsistent synchronization of
> org.apache.tez.dag.app.DAGAppMaster.appMasterUgi; locked 66% of time
> Inconsistent synchronization of org.apache.tez.dag.app.DAGAppMaster.context;
> locked 65% of time
> Inconsistent synchronization of
> org.apache.tez.dag.app.DAGAppMaster.currentDAG; locked 72% of time
> Inconsistent synchronization of org.apache.tez.dag.app.DAGAppMaster.state;
> locked 80% of time
> Inconsistent synchronization of
> org.apache.tez.dag.app.DAGAppMaster.taskSchedulerEventHandler; locked 78% of
> time
> Inconsistent synchronization of
> org.apache.tez.dag.app.DAGAppMaster.versionMismatch; locked 83% of time
> Inconsistent synchronization of
> org.apache.tez.dag.app.DAGAppMaster.versionMismatchDiagnostics; locked 80% of
> time
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