Public
  1. Public

arrow

Public

Commits

Wes McKinneyAntoine Pitrou
e080766e742
Wes McKinney authored and Antoine Pitrou committed 2ce62df589d
ARROW-6876: [C++][Parquet] Use shared_ptr to avoid copying ReaderContext struct, fix performance regression with reading many columns

This also adds a benchmark to be able to see how the performance of reading Parquet files with many columns (up to 10,000) scales.

Closes #5653 from wesm/ARROW-6876 and squashes the following commits:

e97c43009 <Wes McKinney> Revert member to unordered_set
0b8d690e7 <Wes McKinney> Add write benchmark, write more rows
1d604339f <Wes McKinney> Use shared_ptr to avoid copying ReaderContext, fix performance regression with reading many columns. Add asv benchmark

Authored-by: Wes McKinney <wesm+git@apache.org>
Signed-off-by: Antoine Pitrou <pitrou@free.fr>