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Posted to issues-all@impala.apache.org by "Wenzhe Zhou (Jira)" <ji...@apache.org> on 2021/02/05 06:01:00 UTC
[jira] [Assigned] (IMPALA-10476) Remove executor node with faulty
disks from executor group
[ https://issues.apache.org/jira/browse/IMPALA-10476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenzhe Zhou reassigned IMPALA-10476:
------------------------------------
Assignee: Wenzhe Zhou
> Remove executor node with faulty disks from executor group
> ----------------------------------------------------------
>
> Key: IMPALA-10476
> URL: https://issues.apache.org/jira/browse/IMPALA-10476
> Project: IMPALA
> Issue Type: Sub-task
> Components: Distributed Exec
> Reporter: Wenzhe Zhou
> Assignee: Wenzhe Zhou
> Priority: Major
>
> If an executor repeatedly get disk IO failures when read/write local disk, we should mark the node as down and remove it from executor group to avoid repeated query failures in the cluster.
> The two main components of Impala that read / write from local disk are the spill-to-disk and data caching features. We need to to add stats to count local disk failures.
>
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