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Posted to issues@impala.apache.org by "Mostafa Mokhtar (JIRA)" <ji...@apache.org> on 2017/08/23 22:39:00 UTC

[jira] [Resolved] (IMPALA-4273) Investigate slow transport creation on Kerberized cluster

     [ https://issues.apache.org/jira/browse/IMPALA-4273?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mostafa Mokhtar resolved IMPALA-4273.
-------------------------------------
    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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