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Posted to github@datafusion.apache.org by "andygrove (via GitHub)" <gi...@apache.org> on 2025/08/01 14:26:20 UTC
[I] Performance regression in TPC-H benchmarks [datafusion-comet]
andygrove opened a new issue, #2056:
URL: https://github.com/apache/datafusion-comet/issues/2056
### Describe the bug
I am seeing a performance regression when comparing the main branch to the 0.9.0 release, and this seems to have been introduced very recently. I am investigating.
For local TPC-H, I am seeing 296s with Comet 0.9.0, and 316 seconds with latest on main (git rev d68865534123da8ee4c3618aee2e6152250975fc).
### Steps to reproduce
_No response_
### Expected behavior
_No response_
### Additional context
_No response_
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Re: [I] Performance regression in TPC-H benchmarks [datafusion-comet]
Posted by "andygrove (via GitHub)" <gi...@apache.org>.
andygrove closed issue #2056: Performance regression in TPC-H benchmarks
URL: https://github.com/apache/datafusion-comet/issues/2056
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Re: [I] Performance regression in TPC-H benchmarks [datafusion-comet]
Posted by "andygrove (via GitHub)" <gi...@apache.org>.
andygrove commented on issue #2056:
URL: https://github.com/apache/datafusion-comet/issues/2056#issuecomment-3144839924
Actually, I am now seeing the same regression with the Comet 0.9.0 release, so it appears that something changed with my local environment.
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Re: [I] Performance regression in TPC-H benchmarks [datafusion-comet]
Posted by "andygrove (via GitHub)" <gi...@apache.org>.
andygrove commented on issue #2056:
URL: https://github.com/apache/datafusion-comet/issues/2056#issuecomment-3145023569
I was using JDK 11 rather than 17, and Spark 3.5.6 instead of 3.5.3. After fixing these issues, the timing is now 300s.
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