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Posted to issues-all@impala.apache.org by "Tim Armstrong (Jira)" <ji...@apache.org> on 2020/12/21 20:48:00 UTC
[jira] [Updated] (IMPALA-8763) Dedicated executors not invalidating
stale LibCache entries
[ https://issues.apache.org/jira/browse/IMPALA-8763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tim Armstrong updated IMPALA-8763:
----------------------------------
Component/s: Backend
> Dedicated executors not invalidating stale LibCache entries
> -----------------------------------------------------------
>
> Key: IMPALA-8763
> URL: https://issues.apache.org/jira/browse/IMPALA-8763
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Reporter: Quanlong Huang
> Priority: Major
>
> This is a follow-up Jira for IMPALA-8486. Dedicated executors won't receive any catalog updates since they don't subscribe to the catalog-update topic. This causes them unable to notice whether a libCache entry is stale.
> We may need to introduce a new topic for the dedicated executors to subscribe to invalidate the stale libCache entries.
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