conbench-apache-arrow[bot] commented on PR #36627:
URL: https://github.com/apache/arrow/pull/36627#issuecomment-1856282192

   After merging your PR, Conbench analyzed the 6 benchmarking runs that have 
been run so far on merge-commit 3236c129d1cbe3f73359278d1459a3f20e5c4df0.
   
   There were 4 benchmark results indicating a performance regression:
   
   - Commit Run on `ursa-i9-9960x` at [2023-12-14 
15:02:40Z](https://conbench.ursa.dev/compare/runs/520ff5241bc241c4b0629da800ad69c3...7c4744cba092451e80559841e1f14dcf/)
     - [`tpch` (R) with engine=arrow, format=native, language=R, 
memory_map=False, query_id=TPCH-16, 
scale_factor=1](https://conbench.ursa.dev/compare/benchmarks/0657ae1058997db0800003d8a5083fa7...0657b30c048b7fa3800039daa4efbb7b)
     - [`tpch` (R) with engine=arrow, format=parquet, language=R, 
memory_map=False, query_id=TPCH-16, 
scale_factor=1](https://conbench.ursa.dev/compare/benchmarks/0657ae1105a17a508000e0e6a2f9d75b...0657b30cf97978938000a6500caff2b2)
   - and 2 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/19650238653) 
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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