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https://issues.apache.org/jira/browse/IMPALA-4273?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mostafa Mokhtar resolved IMPALA-4273.
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Resolution: Information Provided
> Investigate slow transport creation on Kerberized cluster
> ---------------------------------------------------------
>
> Key: IMPALA-4273
> URL: https://issues.apache.org/jira/browse/IMPALA-4273
> Project: IMPALA
> Issue Type: Bug
> Components: Distributed Exec
> Affects Versions: Impala 2.6.0
> Reporter: Mostafa Mokhtar
> Assignee: Mostafa Mokhtar
> Labels: performance, scalability
>
> Initial connection creation for queries with 100s or 1000s of fragments on
> large Kerberized clusters can take several minutes which results in under
> utilization of the cluster during the ramp-up phase, once the connections are
> cache queries startup quickly.
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