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https://issues.apache.org/jira/browse/IMPALA-12486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang updated IMPALA-12486:
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Epic Link: IMPALA-12877 (was: IMPALA-6698)
> Add catalog metrics for ParallelFileMetadataLoader
> --------------------------------------------------
>
> Key: IMPALA-12486
> URL: https://issues.apache.org/jira/browse/IMPALA-12486
> Project: IMPALA
> Issue Type: New Feature
> Components: Catalog
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Critical
> Fix For: Impala 4.4.0
>
>
> The following metrics will be helpful to understand the load on HDFS
> triggered by catalogd for loading file metadata:
> * *num-file-metadata-loading-threads:* The total size of all thread pools
> used in all ParallelFileMetadataLoader instances.
> * *num-file-metadata-loading-tasks:* The total number of *unfinished*
> FileMetadataLoader tasks that submit to the pools.
> * *num-tables-loading-file-metadata:* The total number of tables that are
> loading file metadata.
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