wiedld opened a new pull request, #5957:
URL: https://github.com/apache/arrow-rs/pull/5957
# Which issue does this PR close?
Closes #5797
# Rationale for this change
We have found
[evidence](https://github.com/apache/arrow-rs/issues/5797#issuecomment-2143403003)
that setting this default lower improves the memory performance, and also
moves us to the [default used
elsewhere](https://lists.apache.org/thread/vsxmbvnx9gy5414cfo25mnwcj17h1xyp)
(e.g. parquet-mr, iceberg).
# What changes are included in this PR?
Sets a default of 20_000 rows.
# Are there any user-facing changes?
There may be performance changes depending upon the user, but we anticipate
it being an improvement and bring us into closer alignment.
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