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Posted to issues@impala.apache.org by "Tim Armstrong (Jira)" <ji...@apache.org> on 2019/10/11 00:16:00 UTC

[jira] [Resolved] (IMPALA-9033) Log metrics for slow I/Os

     [ https://issues.apache.org/jira/browse/IMPALA-9033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-9033.
-----------------------------------
    Fix Version/s: Impala 3.4.0
       Resolution: Fixed

> Log metrics for slow I/Os
> -------------------------
>
>                 Key: IMPALA-9033
>                 URL: https://issues.apache.org/jira/browse/IMPALA-9033
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>            Reporter: Tim Armstrong
>            Assignee: Tim Armstrong
>            Priority: Major
>             Fix For: Impala 3.4.0
>
>
> We should detect I/Os that take longer than a configurable threshold, e.g 10 seconds might be reasonable and then log some extra information about them - any of the metrics we get from the HDFS client.
> This will help debug certain perf issues and hangs.



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