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Posted to dev@atlas.apache.org by "Mayank Jain (Jira)" <ji...@apache.org> on 2021/08/04 10:19:00 UTC
[jira] [Commented] (ATLAS-4297) [Atlas: Debug Metrics] Old data is
lost when the feature is re-enabled
[ https://issues.apache.org/jira/browse/ATLAS-4297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17392987#comment-17392987 ]
Mayank Jain commented on ATLAS-4297:
------------------------------------
[~dharshmk] ,
This is not a bug, since by design the metrics shown on UI are maintained in-memory, so after restart the data gets reset. Using appropriate Sink implementation, we can persist it to storage like graphite, etc.
For reference :
[Hadoop Metrcis Sink Implementation Support|[https://hadoop.apache.org/docs/r3.1.0/api/org/apache/hadoop/metrics2/sink/RollingFileSystemSink.html]]
> [Atlas: Debug Metrics] Old data is lost when the feature is re-enabled
> ----------------------------------------------------------------------
>
> Key: ATLAS-4297
> URL: https://issues.apache.org/jira/browse/ATLAS-4297
> Project: Atlas
> Issue Type: Bug
> Components: atlas-core
> Reporter: Dharshana M Krishnamoorthy
> Assignee: Mayank Jain
> Priority: Major
>
> Enable the feature debug metrics by setting *atlas.debug.metrics.enabled=true*
> Data will be collected
> Now turn the feature off by setting *atlas.debug.metrics.enabled=false*
> Re-enable the feature *atlas.debug.metrics.enabled=true*
> This will be the data collected fresh and all the old data collected will be lost
>
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