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https://issues.apache.org/jira/browse/SPARK-53069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jungtaek Lim reassigned SPARK-53069:
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Assignee: Dylan Wong
> Fix incorrect metrics with virtual column families
> --------------------------------------------------
>
> Key: SPARK-53069
> URL: https://issues.apache.org/jira/browse/SPARK-53069
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 4.1.0
> Reporter: Dylan Wong
> Assignee: Dylan Wong
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.1.0
>
>
> There is a state store incorrect metric issue related to the variables
> numInternalKeysOnLoadedVersion and numInternalKeysOnWritingVersion not being
> updated correctly in memory. This caused them to fall out of sync with the
> actual key count on disk, as determined by countKeys(), leading to incorrect
> metrics being emitted.
>
> The root cause of this issue is that the replayChangelog function is calling
> put/remove/merge with the default column family, rather than the correct
> column family for each key which causes the wrong counter
> (numInternalKeysOnWritingVersion vs numKeysOnWritingVersion) to be
> incremented.
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