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Posted to issues-all@impala.apache.org by "Quanlong Huang (JIRA)" <ji...@apache.org> on 2019/08/17 13:01:00 UTC
[jira] [Commented] (IMPALA-8830) Coordinator-only queries get
queued when there are no executor groups
[ https://issues.apache.org/jira/browse/IMPALA-8830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16909695#comment-16909695 ]
Quanlong Huang commented on IMPALA-8830:
----------------------------------------
[~tarmstrong], [~bikramjeet.vig], can we target this on 3.4.0?
> Coordinator-only queries get queued when there are no executor groups
> ---------------------------------------------------------------------
>
> Key: IMPALA-8830
> URL: https://issues.apache.org/jira/browse/IMPALA-8830
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 3.3.0
> Reporter: Tim Armstrong
> Assignee: Bikramjeet Vig
> Priority: Blocker
> Labels: admission-control, resource-management
>
> Reproduction:
> {noformat}
> tarmstrong@tarmstrong-box:~/Impala/incubator-impala$ start-impala-cluster.py -s1 --use_exclusive_coordinators;
> [localhost:21000] default> select * from tpch.lineitem order by l_orderkey limit 5;
> ERROR: Admission for query exceeded timeout 60000ms in pool default-pool. Queued reason: No healthy executor groups found for pool default-pool.
> [localhost:21000] default> select 1;
> ERROR: Admission for query exceeded timeout 60000ms in pool default-pool. Queued reason: No healthy executor groups found for pool default-pool.
> {noformat}
> I expected that the second query should run immediately since it doesn't actually need to be scheduled on any executors. I suspect this may be a regression from the executor group changes, but didn't confirm.
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