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https://issues.apache.org/jira/browse/IMPALA-13641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Riza Suminto resolved IMPALA-13641.
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Fix Version/s: Impala 4.5.0
Resolution: Fixed
> Parquet specific counters should not exist if not reading any parquet file
> --------------------------------------------------------------------------
>
> Key: IMPALA-13641
> URL: https://issues.apache.org/jira/browse/IMPALA-13641
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 4.4.0
> Reporter: Riza Suminto
> Assignee: Riza Suminto
> Priority: Minor
> Fix For: Impala 4.5.0
>
>
> While working on IMPALA-13636, I notice that
> ParquetUncompressedBytesReadPerColumn and ParquetCompressedBytesReadPerColumn
> exist in runtime profile even when no parquet file is read (all scan text
> files). These counters should be lazily created only if
> HdfsScanNodeBase::bytes_read_per_col_ is not empty.
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