[jira] [Resolved] (IMPALA-4870) Extend Catalog metrics

["Dinesh Garg (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-4870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dinesh Garg resolved IMPALA-4870.
---------------------------------
    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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