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https://issues.apache.org/jira/browse/IMPALA-4870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dinesh Garg resolved IMPALA-4870.
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Resolution: Won't Fix
Triaging notes : Memory management will take care of adding metrics here.
Closing this.
> Extend Catalog metrics
> ----------------------
>
> Key: IMPALA-4870
> URL: https://issues.apache.org/jira/browse/IMPALA-4870
> Project: IMPALA
> Issue Type: Improvement
> Components: Catalog
> Affects Versions: Impala 2.6.0
> Reporter: Mostafa Mokhtar
> Priority: Major
> Labels: catalog-server, supportability
>
> It is difficult to tune and debug the Catalog performance as it doesn't
> expose any metrics indicating the current state.
> The Catalog should expose object count and estimate memory consumed by each
> object type
> * Partitions
> * Files
> * Blocks
> A breakdown per DB/Table/Partition would be ideal.
> Also a measure of heap usage by the JVM along with GC time as a % of the JVM
> lifetime.
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