jorisvandenbossche commented on a change in pull request #10074:
URL: https://github.com/apache/arrow/pull/10074#discussion_r625980584
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File path: python/pyarrow/parquet.py
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@@ -1676,6 +1690,13 @@ def pieces(self):
keys and only a hive-style directory structure is supported. When
setting `use_legacy_dataset` to False, also within-file level filtering
and different partitioning schemes are supported.
+pre_buffer : bool, default True
+ Coalesce and issue file reads in parallel to improve performance on
+ high-latency filesystems (e.g. S3). If True, Arrow will use a
+ background I/O thread pool. This option is only supported for
+ use_legacy_dataset=True. If using a filesystem layer that itself
Review comment:
```suggestion
use_legacy_dataset=False. If using a filesystem layer that itself
```
here as well
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