[jira] [Updated] (IMPALA-8284) KuduTableSink spends a lot of CPU copying KuduColumnSchemas

["Tim Armstrong (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-8284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong updated IMPALA-8284:
----------------------------------
    Labels: kudu newbie ramp-up  (was: )

> 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
>    Affects Versions: Impala 3.1.0
>            Reporter: Will Berkeley
>            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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