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SubjectRe: [PATCH v18 00/32] per memcg lru_lock

在 2020/8/28 上午9:40, Daniel Jordan 写道:
> I went back to your v1 post to see what motivated you originally, and you had
> some results from aim9 but nothing about where this reared its head in the
> first place. How did you discover the bottleneck? I'm just curious about how
> lru_lock hurts in practice.

We have gotten very high 'sys' in some buiness/machines. And found much of time spent
on the lru_lock and/or zone lock. Seems per memcg lru_lock could help this, but still
no idea on zone lock.


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