Messages in this thread | | | Subject | Re: [PATCH v18 00/32] per memcg lru_lock | From | Alex Shi <> | Date | Fri, 28 Aug 2020 13:22:28 +0800 |
| |
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.
Thanks Alex
| |