conbench-apache-arrow[bot] commented on PR #41655:
URL: https://github.com/apache/arrow/pull/41655#issuecomment-2113077718

   After merging your PR, Conbench analyzed the 5 benchmarking runs that have 
been run so far on merge-commit 2ca9ad2861387a08244427eb1a2457c32a8ed31a.
   
   There were 6 benchmark results indicating a performance regression:
   
   - Commit Run on `test-mac-arm` at [2024-05-15 
15:09:00Z](https://conbench.ursa.dev/compare/runs/9404324c9f314939a48ffbc459775719...637a36e337cf4df5a402c1a844005e06/)
     - [`tpch` (R) with engine=arrow, format=native, language=R, 
memory_map=False, query_id=TPCH-07, 
scale_factor=1](https://conbench.ursa.dev/compare/benchmarks/06644587a6a078ce8000e80affd0f9ad...06644d72bfea7589800025ad7e3eba2a)
     - [`tpch` (R) with engine=arrow, format=native, language=R, 
memory_map=False, query_id=TPCH-20, 
scale_factor=1](https://conbench.ursa.dev/compare/benchmarks/06644599ad047dec8000a639ff0738bf...06644d850ca17c408000036184ba23bb)
   - and 4 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/25014114518) 
has more details. It also includes information about 1 possible false positive 
for unstable benchmarks that are known to sometimes produce them.


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