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https://issues.apache.org/jira/browse/IMPALA-8284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon reassigned IMPALA-8284:
-----------------------------------
Assignee: Todd Lipcon
> KuduTableSink spends a lot of CPU copying KuduColumnSchemas
> -----------------------------------------------------------
>
> Key: IMPALA-8284
> URL: https://issues.apache.org/jira/browse/IMPALA-8284
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 3.1.0
> Reporter: Will Berkeley
> Assignee: Todd Lipcon
> Priority: Major
> Labels: kudu, newbie, ramp-up
>
> I noticed Impala spending a significant amount of CPU time in
> {{KuduTableSink::Send}} creating and destroying KuduColumnSchemas.
> See KUDU-2731 for more information.
> Impala could wait for a better option from the Kudu API, or could cache
> information about nullability of columns outside the hot loop in Send.
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