conbench-apache-arrow[bot] commented on PR #34616:
URL: https://github.com/apache/arrow/pull/34616#issuecomment-1762594950

   After merging your PR, Conbench analyzed the 6 benchmarking runs that have 
been run so far on merge-commit 0793432ad0ef5cb598b7b1e61071cd4991bd1b8b.
   
   There were 7 benchmark results indicating a performance regression:
   
   - Commit Run on `ursa-i9-9960x` at [2023-10-12 
08:25:25Z](https://conbench.ursa.dev/compare/runs/2fd42faf48404478affd58f9bcfbb26e...bb99d7aba6ce4bd79c1b9bbf0ace732f/)
     - [`tpch` (R) with engine=arrow, format=parquet, language=R, 
memory_map=False, query_id=TPCH-02, 
scale_factor=1](https://conbench.ursa.dev/compare/benchmarks/0652799a766b7ec78000b7d4a5048681...06527bdedaf4756c80004b95ebc5bc2c)
     - [`file-read` (R) with compression=uncompressed, dataset=nyctaxi_2010-01, 
file_type=feather, language=R, 
output_type=table](https://conbench.ursa.dev/compare/benchmarks/0652794a1132763180004ee540fe19ef...06527b8b4ad77f9c80004a63833916b4)
   - and 5 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/17698267889) 
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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