[jira] [Resolved] (IMPALA-10519) Allow setting of num_reactors for KuduClient

["Thomas Tauber-Marshall (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-10519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Tauber-Marshall resolved IMPALA-10519.
---------------------------------------------
    Fix Version/s: Impala 4.0
       Resolution: Fixed

> Allow setting of num_reactors for KuduClient
> --------------------------------------------
>
>                 Key: IMPALA-10519
>                 URL: https://issues.apache.org/jira/browse/IMPALA-10519
>             Project: IMPALA
>          Issue Type: Improvement
>    Affects Versions: Impala 4.0
>            Reporter: Thomas Tauber-Marshall
>            Assignee: Thomas Tauber-Marshall
>            Priority: Major
>             Fix For: Impala 4.0
>
>
> The KuduClient allows setting a number of reactor threads, which are used for sending rpcs to Kudu such as for scans. Impala does not currently set this value, so it defaults to 4 threads, which may be too few for many use cases, since there is a single KuduClient per impalad. We should determine a better default (eg. based on the number of cpu cores) and also expose a flag to make it configurable.



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