[jira] [Resolved] (IMPALA-3866) Improve error reporting for scratch write errors

["Gabor Kaszab (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-3866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gabor Kaszab resolved IMPALA-3866.
----------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 2.13.0

https://gerrit.cloudera.org/#/c/9420/

> Improve error reporting for scratch write errors
> ------------------------------------------------
>
>                 Key: IMPALA-3866
>                 URL: https://issues.apache.org/jira/browse/IMPALA-3866
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 2.5.0
>            Reporter: Marcell Szabo
>            Assignee: Gabor Kaszab
>            Priority: Minor
>              Labels: resource-management
>             Fix For: Impala 2.13.0
>
>
> We have a single generic error message for scratch write errors that doesn't hint the admin towards the solution: "No usable temporary files: space could not be allocated on any temporary device"
> We could improve this by looking at the error code and reporting a more contextually-specific error message, e.g. "Scratch directories are full." if the error is ENOSPC
> https://github.com/apache/impala/blob/master/be/src/runtime/tmp-file-mgr.cc



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