[Bug] Flink engine jdbc execution time is much slower than the flink web display time - Githubissues

apache / kyuubi

Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses.

https://kyuubi.apache.org/

Apache License 2.0

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[Bug] Flink engine jdbc execution time is much slower than the flink web display time #5891

Open waywtdcc opened 10 months ago

waywtdcc commented 10 months ago

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Describe the bug

Flink engine jdbc execution time is much slower than the flink web display time

kyuubi 1.8.0 flink 1.18.0 yarn application

SELECT * FROM TABLEA

Affects Version(s)

1.8.0

Kyuubi Server Log Output

No response

Kyuubi Engine Log Output

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Kyuubi Server Configurations

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Kyuubi Engine Configurations

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Additional context

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Are you willing to submit PR?

[ ] Yes. I would be willing to submit a PR with guidance from the Kyuubi community to fix.
[ ] No. I cannot submit a PR at this time.

pan3793 commented 10 months ago

though it looks like Kyuubi takes 3x times to complete the query, the absolute difference is ~2s which is not quite long, have you tested a large query? e.g. takes several minutes