Csaba Ringhofer created IMPALA-9687:
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Summary: 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
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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