[C++] Large HDFS reads must utilize the set file buffer size when making RPCs #16055
Description
The default buffer size is 64K. Make this explicit and make large reads using a series of smaller reads
Reporter: Wes McKinney / @wesm
Assignee: Wes McKinney / @wesm
Note: This issue was originally created as ARROW-406. Please see the migration documentation for further details.