conbench-apache-arrow[bot] commented on PR #39058:
URL: https://github.com/apache/arrow/pull/39058#issuecomment-1847338912

   After merging your PR, Conbench analyzed the 6 benchmarking runs that have 
been run so far on merge-commit 70ccf33bc528bdba71efdfa78e08afb5a0904c09.
   
   There were 10 benchmark results indicating a performance regression:
   
   - Commit Run on `ursa-i9-9960x` at [2023-12-07 
14:23:01Z](https://conbench.ursa.dev/compare/runs/4d4aacea31a9457a84d87e48439b46dc...70380d23f78443558ec89d69b99c354f/)
     - [`tpch` (R) with engine=arrow, format=native, language=R, 
memory_map=False, query_id=TPCH-06, 
scale_factor=1](https://conbench.ursa.dev/compare/benchmarks/06571c1163de744b800022af10cc6718...06571e9aead6727a8000bcf340e7179e)
     - [`tpch` (R) with engine=arrow, format=native, language=R, 
memory_map=False, query_id=TPCH-06, 
scale_factor=10](https://conbench.ursa.dev/compare/benchmarks/06571c14165675fb80007b449d4082a0...06571e9e918377108000849313e9e6d2)
   - and 8 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/19453303441) 
has more details. It also includes information about 3 possible false positives 
for unstable benchmarks that are known to sometimes produce them.


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