[jira] [Resolved] (IMPALA-2346) Create unit test that exposes (now fixed) disk IO mgr race

["Tim Armstrong (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-2346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-2346.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.1.0
                   Impala 2.13.0

I added a test like this for IMPALA-4835

> Create unit test that exposes (now fixed) disk IO mgr race
> ----------------------------------------------------------
>
>                 Key: IMPALA-2346
>                 URL: https://issues.apache.org/jira/browse/IMPALA-2346
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 2.2.4
>            Reporter: Skye Wanderman-Milne
>            Priority: Minor
>              Labels: test
>             Fix For: Impala 2.13.0, Impala 3.1.0
>
>
> The bug fixed by https://github.com/cloudera/Impala/commit/798007bef8a56e36f2d8e0d058ca820e15bb6ade should have an io mgr backend test that exposes it. I don't think it's even possible to expose it without 0-length scan ranges (http://gerrit.cloudera.org:8080/#/c/711/), but even the test added in that patch doesn't expose this bug. I think we may need to mix empty and non-empty scan ranges in order to expose it in a test.



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