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https://issues.apache.org/jira/browse/APEXCORE-611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15837497#comment-15837497
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Ajay Gupta commented on APEXCORE-611:
-------------------------------------

For the set of eventTypes currently supported in Apex, following are the log 
levels added
SetOperatorPropertyEvent -- INFO
PartitionEvent -- INFO
PhysicalOperatorEvent -- INFO
CreateOperatorEvent -- INFO
RemoveOperatorEvent -- INFO
StartOperatorEvent -- INFO
StopOperatorEvent -- WARN
SetPhysicalOperatorPropertyEvent -- INFO
StartContainerEvent -- INFO
StopContainerEvent -- WARN
ChangeLogicalPlanEvent -- INFO
OperatorErrorEvent -- ERROR
ContainerErrorEvent - ERROR

> Stram Event Log Levels
> ----------------------
>
>                 Key: APEXCORE-611
>                 URL: https://issues.apache.org/jira/browse/APEXCORE-611
>             Project: Apache Apex Core
>          Issue Type: Improvement
>            Reporter: Ajay Gupta
>
> Provide log levels for Stram events. Such as INFO, WARN, ERROR
> Eg: 
> 1. Start Container, Start Operator are INFO level events
> 2. OperatorError is ERROR level event
> 3. Stop Container, Stop Operator are WARN level events
> Log level for events can help in user experience when showing the event list 
> in a GUI. eg: In datatorrent gateway UI, we want to provide color-coded log 
> levels so that user can focus more on ERROR and WARN events.



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