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Posted to github@arrow.apache.org by "thisisnic (via GitHub)" <gi...@apache.org> on 2026/10/05 08:06:57 UTC

Re: [I] [R] read_parquet from s3 is slow and often flakey [arrow]

thisisnic commented on issue #36007:
URL: https://github.com/apache/arrow/issues/36007#issuecomment-5990551584

   Closing this out. The slow path was the AWS SDK's region lookup (it tries the EC2 metadata endpoint, which times out slowly off EC2) and the fix on the user side is to set the region, either with `?region=` in the URI, via `AWS_DEFAULT_REGION`, or in `~/.aws/config`. The separate problem of the error being swallowed was fixed in #36726. If anyone still sees timeouts with the region set, please open a new issue with a reprex.


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