conbench-apache-arrow[bot] commented on PR #36876:
URL: https://github.com/apache/arrow/pull/36876#issuecomment-1661004367

   After merging your PR, Conbench analyzed the 6 benchmarking runs that have 
been run so far on merge-commit 5a9240fd28e1d7261a10a4816301d22995cfb8e0.
   
   There were 8 benchmark results indicating a performance regression:
   
   - Commit Run on `ursa-i9-9960x` at [2023-08-01 
17:22:34Z](http://conbench.ursa.dev/compare/runs/a7919ed40cfe4e9dad1fbbc267e4e906...8ecdd9913c2e4e2c9d9d56d45fd43de4/)
     - [`tpch` (R) with engine=arrow, format=native, language=R, 
memory_map=False, query_id=TPCH-15, 
scale_factor=1](http://conbench.ursa.dev/compare/benchmarks/064c92f8587a72c98000b9a554ef6ee1...064c95cac57276d98000fcb1ada6ecbf)
     - [`tpch` (R) with engine=arrow, format=native, language=R, 
memory_map=False, query_id=TPCH-06, 
scale_factor=1](http://conbench.ursa.dev/compare/benchmarks/064c92bd09e77f5f8000f5d3cc7a8859...064c958d5d487bd380007cd8d25f67b3)
   - and 6 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/15532045808) 
has more details. It also includes information about possible false positives 
for unstable benchmarks that are known to sometimes produce them.


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