conbench-apache-arrow[bot] commented on PR #39877:
URL: https://github.com/apache/arrow/pull/39877#issuecomment-1921643225

   After merging your PR, Conbench analyzed the 6 benchmarking runs that have 
been run so far on merge-commit 6ccfeeec3b864671556e50c1ac01e65f47bd06d9.
   
   There were 3 benchmark results indicating a performance regression:
   
   - Commit Run on `ursa-i9-9960x` at [2024-02-01 
13:32:25Z](https://conbench.ursa.dev/compare/runs/3343d49c02b14f4db3d6e67d68bb7fd8...78aa4dbddbb6400d9ef8960ee2f44134/)
     - [`file-read` (R) with compression=uncompressed, dataset=nyctaxi_2010-01, 
file_type=feather, language=R, 
output_type=dataframe](https://conbench.ursa.dev/compare/benchmarks/065b8f4c5be07a7a8000da135dad4f6f...065bbaa209e7790a80009e6923315585)
     - [`tpch` (R) with engine=arrow, format=native, language=R, 
memory_map=False, query_id=TPCH-20, 
scale_factor=10](https://conbench.ursa.dev/compare/benchmarks/065b900922f97591800024637f95463b...065bbb5ed6ac700d8000caab7df40903)
   - and 1 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/21116628027) 
has more details. It also includes information about 14 possible false 
positives for unstable benchmarks that are known to sometimes produce them.


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