conbench-apache-arrow[bot] commented on PR #41528:
URL: https://github.com/apache/arrow/pull/41528#issuecomment-2095323003

   After merging your PR, Conbench analyzed the 7 benchmarking runs that have 
been run so far on merge-commit 4cf44b4bc3ab053b03c937d3327d43c105790462.
   
   There were 4 benchmark results indicating a performance regression:
   
   - Commit Run on `ursa-i9-9960x` at [2024-05-06 
05:57:06Z](https://conbench.ursa.dev/compare/runs/3ef55c26a1074fb59c4c294f6428a484...ee8bca5656c14b5e8ba265b0970accf6/)
     - [`file-read` (Python) with compression=lz4, dataset=nyctaxi_2010-01, 
file_type=feather, 
output_type=table](https://conbench.ursa.dev/compare/benchmarks/06638145951a7e2d8000dbacbde692e6...066386437738783f80003dabe4ed40cf)
     - [`file-read` (Python) with compression=lz4, dataset=nyctaxi_2010-01, 
file_type=feather, 
output_type=dataframe](https://conbench.ursa.dev/compare/benchmarks/06638145f7587bc5800079c07e3ca3b6...066386444c427f028000581ac1ccbc6a)
   - and 2 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/24618603708) 
has more details. It also includes information about 15 possible false 
positives for unstable benchmarks that are known to sometimes produce them.


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