conbench-apache-arrow[bot] commented on PR #40499:
URL: https://github.com/apache/arrow/pull/40499#issuecomment-1998712853

   After merging your PR, Conbench analyzed the 7 benchmarking runs that have 
been run so far on merge-commit 9f0a28f61a068059a6e53f25a3ffcb1689d701ec.
   
   There were 3 benchmark results indicating a performance regression:
   
   - Commit Run on `ursa-i9-9960x` at [2024-03-14 
06:57:09Z](https://conbench.ursa.dev/compare/runs/e1c1a9b66d18484bb728db325483efe1...7f63e2d044df4a75baa40313086bddf6/)
     - [`tpch` (R) with engine=arrow, format=native, language=R, 
memory_map=False, query_id=TPCH-03, 
scale_factor=1](https://conbench.ursa.dev/compare/benchmarks/065f292c288075848000051e26b24d08...065f2b311a6f7665800012a2df896f66)
     - [`file-read` (R) with compression=lz4, dataset=nyctaxi_2010-01, 
file_type=feather, language=R, 
output_type=table](https://conbench.ursa.dev/compare/benchmarks/065f28d9e98c7cad8000b2a7cd53a202...065f2addb7937c0980005a509a9698f4)
   - and 1 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/22686514004) 
has more details. It also includes information about 6 possible false positives 
for unstable benchmarks that are known to sometimes produce them.


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