[PATCH 8 of 9] util: support multi-threaded zstandard compression for bundles

[Gregory Szorc]

> On Apr 6, 2017, at 06:10, Yuya Nishihara <yuya at tcha.org> wrote:
> 
>> On Sat, 01 Apr 2017 15:31:59 -0700, Gregory Szorc wrote:
>> # HG changeset patch
>> # User Gregory Szorc <gregory.szorc at gmail.com>
>> # Date 1491085720 25200
>> #      Sat Apr 01 15:28:40 2017 -0700
>> # Node ID c171ff452d36d4caeab1887df4da43e45a61022a
>> # Parent  7f469db35d4a303d53b4c7dc141a8378fa67d9e1
>> util: support multi-threaded zstandard compression for bundles
> 
> Is multi-threading support stable enough? I heard someone saying the code
> quality wasn't great.
> 
> https://github.com/facebook/zstd/issues/491#issuecomment-277780684

"experimental" in zstd land typically means "unstable API." This isn't an issue for python-zstandard since it bundles it's on zstd copy and statically links.

But just in case the code may not be suitable to run in production just yet, I've CCd Yann who give an opinion.