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Posted to issues@kudu.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2016/04/30 22:58:12 UTC

[jira] [Resolved] (KUDU-1409) Make krpc call timeouts more resistant to process pauses

     [ https://issues.apache.org/jira/browse/KUDU-1409?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon resolved KUDU-1409.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 0.9.0

> Make krpc call timeouts more resistant to process pauses
> --------------------------------------------------------
>
>                 Key: KUDU-1409
>                 URL: https://issues.apache.org/jira/browse/KUDU-1409
>             Project: Kudu
>          Issue Type: Improvement
>          Components: rpc
>    Affects Versions: 0.8.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.9.0
>
>
> In stress testing Impala on Kudu I've seen various RPC timeouts that turn out to be due to pauses on the client side. In particular, scenarios like https://issues.cloudera.org/browse/IMPALA-2800 can cause the memory allocator inside Impala to block for several seconds, and that might cause us to think we missed a timeout.
> We should be more resilient to this sort of "false" timeout.



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