conbench-apache-arrow[bot] commented on PR #41107:
URL: https://github.com/apache/arrow/pull/41107#issuecomment-2060298394

   After merging your PR, Conbench analyzed the 7 benchmarking runs that have 
been run so far on merge-commit 61625ade75a9c31975eb956cf5aadca4b6dd498d.
   
   There were 9 benchmark results indicating a performance regression:
   
   - Commit Run on `ursa-i9-9960x` at [2024-04-17 
03:22:18Z](https://conbench.ursa.dev/compare/runs/9d5cf27bdf6d41c2b54ed7062bf01cd4...5e694baf296944a48de25bb0f46442d6/)
     - [`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/0661f1679327739a80003c1838f911bc...0661f3e8181770e180007cc5826fbe35)
     - [`file-read` (R) with compression=lz4, dataset=nyctaxi_2010-01, 
file_type=feather, language=R, 
output_type=table](https://conbench.ursa.dev/compare/benchmarks/0661f0c8df4373c0800016fa9315bbef...0661f34608d17ce480002b72f141e7e8)
   - and 7 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/23908985256) 
has more details. It also includes information about 8 possible false positives 
for unstable benchmarks that are known to sometimes produce them.


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