conbench-apache-arrow[bot] commented on PR #38846:
URL: https://github.com/apache/arrow/pull/38846#issuecomment-1823595779

   After merging your PR, Conbench analyzed the 6 benchmarking runs that have 
been run so far on merge-commit 37267731a5722455b7f905b0bcfa798c1d5d0769.
   
   There were 6 benchmark results indicating a performance regression:
   
   - Commit Run on `ursa-i9-9960x` at [2023-11-22 
20:22:51Z](https://conbench.ursa.dev/compare/runs/8b23250fee75448f923950cbf65170a2...59c9d6cf66744d6d839c1394243b3a8c/)
     - [`file-write` (Python) with compression=uncompressed, 
dataset=fanniemae_2016Q4, file_type=feather, 
input_type=table](https://conbench.ursa.dev/compare/benchmarks/0655e3ccad8271158000c795b66e3f8e...0655e6aa6efe7a6880000dcae6a728d7)
     - [`file-write` (Python) with compression=uncompressed, 
dataset=nyctaxi_2010-01, file_type=feather, 
input_type=dataframe](https://conbench.ursa.dev/compare/benchmarks/0655e3da7d3e71ec8000c8fdd0101d67...0655e6b8fd827ec18000ed7c9c20eaca)
   - and 4 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/18949037062) 
has more details. It also includes information about 7 possible false positives 
for unstable benchmarks that are known to sometimes produce them.


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