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Posted to issues-all@impala.apache.org by "Tim Armstrong (JIRA)" <ji...@apache.org> on 2018/10/30 21:08:00 UTC
[jira] [Updated] (IMPALA-4683) Intelligently blacklist scratch
disks with physical I/O errors
[ https://issues.apache.org/jira/browse/IMPALA-4683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tim Armstrong updated IMPALA-4683:
----------------------------------
Issue Type: Improvement (was: Bug)
> Intelligently blacklist scratch disks with physical I/O errors
> --------------------------------------------------------------
>
> Key: IMPALA-4683
> URL: https://issues.apache.org/jira/browse/IMPALA-4683
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 2.3.0, Impala 2.5.0, Impala 2.6.0, Impala 2.7.0, Impala 2.8.0
> Reporter: Tim Armstrong
> Priority: Major
> Labels: resource-management
>
> I'm splitting this out from IMPALA-2079 since there are really two different parts to that.
> This JIRA is to track process-wide blacklisting of scratch directories on disks that exhibit physical I/O errors that may indicate a failing disk.
> We do not necessarily want to permanently blacklist disks, since that can result in daemons being in a bad state where they can't allocate any scratch space until they are restarted. Instead we should consider time-base blacklisting or some kind of administrative support to reenabled blacklisted disks.
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