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https://issues.apache.org/jira/browse/HDFS-16959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17704970#comment-17704970
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ASF GitHub Bot commented on HDFS-16959:
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virajjasani commented on PR #5497:
URL: https://github.com/apache/hadoop/pull/5497#issuecomment-1483884585
For the test, if we want to be accurate about
`mountTableCacheLoadAvgTimeMs`, there is a better way too: we can use
`FakeTimer` impl and inject it to `CachedRecordStore` by retrieving state store
cache list `cachesToUpdateInternal` from the state store service.
I think this might be overkill for the current Jira though. If you like this
idea, I can take it up as separate task, but for prod, we are not achieving
anything and maybe this is too much for tests as well.
> RBF: State store cache loading metrics
> --------------------------------------
>
> Key: HDFS-16959
> URL: https://issues.apache.org/jira/browse/HDFS-16959
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
> Labels: pull-request-available
>
> With increasing num of state store records (like mount points), it would be
> good to be able to get the cache loading metrics like avg time for cache load
> during refresh, num of times cache is loaded etc.
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