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https://issues.apache.org/jira/browse/IMPALA-6501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Volker updated IMPALA-6501:
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Description: IMPALA-5036 added an optimisation for count(\*) in Parquet
scans that avoids materialising dummy rows. We should do something similar for
Kudu. (was: IMPALA-5036 added an optimisation for count(*) in Parquet scans
that avoids materialising dummy rows. We should do something similar for Kudu.)
> Optimize count(*) for Kudu scans
> --------------------------------
>
> Key: IMPALA-6501
> URL: https://issues.apache.org/jira/browse/IMPALA-6501
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 2.11.0
> Reporter: Tim Armstrong
> Priority: Major
> Labels: kudu, ramp-up
>
> IMPALA-5036 added an optimisation for count(\*) in Parquet scans that avoids
> materialising dummy rows. We should do something similar for Kudu.
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