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Posted to issues@kudu.apache.org by "Alexey Serbin (Jira)" <ji...@apache.org> on 2021/07/08 06:11:00 UTC

[jira] [Assigned] (KUDU-2027) Connection negotiation timeout to tablet server is treated as unretriable error on scan operations

     [ https://issues.apache.org/jira/browse/KUDU-2027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Serbin reassigned KUDU-2027:
-----------------------------------

    Assignee:     (was: Alexey Serbin)

> Connection negotiation timeout to tablet server is treated as unretriable error on scan operations
> --------------------------------------------------------------------------------------------------
>
>                 Key: KUDU-2027
>                 URL: https://issues.apache.org/jira/browse/KUDU-2027
>             Project: Kudu
>          Issue Type: Bug
>    Affects Versions: 1.0.0, 1.2.0, 1.3.0, 1.4.0
>            Reporter: Alexey Serbin
>            Priority: Major
>              Labels: client, scanner
>
> In the case that the leader tablet server is up but "frozen", the client will get a connection negotiation timeout while starting or continuing a scan operation.  The code in KuduScanner::Data::OpenTablet() does not allow the scan operation to failover to different tablet server even if operation timeout setting would allow to wait for a new leader to be elected.
> So, the client gets a failure even if there has been a leader re-election within the client-provided deadline.



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