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@kanga333 kanga333 commented Oct 8, 2020

A chunk_size that is too small will cause metadata bloat in the parquet file, leading to poor read performance. Set the chunk_size to be the same value as the table size so that one file becomes one row_group.

A chunk_size that is too small will cause metadata bloat in the parquet file, leading to poor read performance.
Set the chunk_size to be the same value as the table size so that one file becomes one row_group.

Signed-off-by: kanga333 <e411z7t40w@gmail.com>
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+1

Thanks!

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