zeroshade opened a new pull request, #45016:
URL: https://github.com/apache/arrow/pull/45016
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### Rationale for this change
Reading the footer for a parquet file whose file metadata is >64KB can
require multiple round trips to a high latency file system like S3. Allowing
this default read size to be configurable allows for reducing the round trips
if it's known up front that the file might potentially have a large amount of
metadata.
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### What changes are included in this PR?
A `footer_read_size_` property is added to parquet `ReaderProperties` along
with a getter/setter. This is then utilized in the file reader's
`GetFooterReadSize` method.
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