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https://issues.apache.org/jira/browse/IMPALA-9687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Akos Kovacs resolved IMPALA-9687.
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Fix Version/s: Impala 4.0
Resolution: Fixed
> Plans for Kudu can contains hosts > num of Impala nodes
> -------------------------------------------------------
>
> Key: IMPALA-9687
> URL: https://issues.apache.org/jira/browse/IMPALA-9687
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Reporter: Csaba Ringhofer
> Assignee: Akos Kovacs
> Priority: Major
> Labels: kudu, ramp-up
> Fix For: Impala 4.0
>
>
> Started a cluster with 1 coordinator and 1 executor:
> {code}
> bin/start-impala-cluster.py -c 1 --use_exclusive_coordinator -s 2
> {code}
> Queries on Kudu tables still contained hosts=3, while all other table types
> had hosts=1.
> {code}
> explain select * from functional_kudu.alltypestiny;
> Result:
> ...
> F00:PLAN FRAGMENT [RANDOM] hosts=3 instances=3
> ...
> {code}
> The numbers in the plan are only estimates, the summary after the query
> contained 1 host.
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