[GitHub] [arrow] westonpace commented on pull request #35440: GH-34213: [C++] Use recursive calls without a delimiter if the user is doing a recursive GetFileInfo

["westonpace (via GitHub)" <gi...@apache.org>]

westonpace commented on PR #35440:
URL: https://github.com/apache/arrow/pull/35440#issuecomment-1535591025

   I'm leaving this in draft while I do more profiling.  I have already tested the worst case scenario (10k files spread across 10k directories) and it improves performance by 10-15x when testing from my desktop to S3.  I've also tested the flat scenario (10k files in the bucket with no directories) and there is no regression.
   
   I also want to test running from within EC2.  I expect the performance gains to be smaller since the request latency is smaller but there should still be some gain.
   
   Finally, I want to run some local perf tests with minio.


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