conbench-apache-arrow[bot] commented on PR #47008:
URL: https://github.com/apache/arrow/pull/47008#issuecomment-3046172904

   After merging your PR, Conbench analyzed the 4 benchmarking runs that have 
been run so far on merge-commit a0cc2d8ed35dce7ee6c3e7cbcc4867216a9ef16f.
   
   There were 11 benchmark results indicating a performance regression:
   
   - Commit Run on `test-mac-arm` at [2025-07-07 
16:23:15Z](https://conbench.ursa.dev/compare/runs/a419a7cec1ff41babd26efd446fdb72b...a8218fb9e2024d43b9acdbf756c76624/)
     - [`tpch` (R) with engine=arrow, format=native, language=R, 
memory_map=False, query_id=TPCH-10, 
scale_factor=1](https://conbench.ursa.dev/compare/benchmarks/0686be01de6177898000e6b0a09e2d5a...0686bfff4441719f80000af9f63747c9)
     - [`tpch` (R) with engine=arrow, format=native, language=R, 
memory_map=False, query_id=TPCH-06, 
scale_factor=1](https://conbench.ursa.dev/compare/benchmarks/0686bdfbee157c85800081f2e34fa32e...0686bff8fc2175928000eb25af58556d)
   - and 9 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/45499937019) 
has more details. It also includes information about 60 possible false 
positives for unstable benchmarks that are known to sometimes produce them.


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