conbench-apache-arrow[bot] commented on PR #40021:
URL: https://github.com/apache/arrow/pull/40021#issuecomment-1996602295

   After merging your PR, Conbench analyzed the 7 benchmarking runs that have 
been run so far on merge-commit 9f6dc1feb52bebceb4b4bfd966f0160e27f9f40f.
   
   There were 7 benchmark results indicating a performance regression:
   
   - Commit Run on `ursa-i9-9960x` at [2024-03-13 
23:17:43Z](https://conbench.ursa.dev/compare/runs/5576943c1e6f43c280d7933c76becac8...ec20e2f763aa4fada18dc58277d4139e/)
     - [`file-read` (Python) with compression=uncompressed, 
dataset=nyctaxi_2010-01, file_type=parquet, 
output_type=table](https://conbench.ursa.dev/compare/benchmarks/065f215cc3da7b96800077c791bfbffd...065f23dc91e17e478000707d350e2b82)
     - [`dataset-selectivity` (Python) with dataset=nyctaxi_multi_ipc_s3, 
selectivity=1%](https://conbench.ursa.dev/compare/benchmarks/065f20f032d276948000d6684616e2b5...065f236edd9c733f8000a12d51dbe625)
   - and 5 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/22644728360) 
has more details. It also includes information about 2 possible false positives 
for unstable benchmarks that are known to sometimes produce them.


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