Quanlong Huang created IMPALA-12486:
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Summary: 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
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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