Re: [PATCH 6/6] vmscan: Kick flusher threads to clean pages whenreclaim is encountering dirty pages

From: Wu Fengguang
Date: Sun Aug 01 2010 - 22:30:24 EST


Hi Sean,

On Mon, Aug 02, 2010 at 10:17:27AM +0800, Sean Jensen-Grey wrote:
> Wu,
>
> Thank you for doing this. This still bites me on a weekly basis. I don't have much time to test the patches this week, but I should get access to an identical box week after next.

That's OK.

> BTW, I experience the issues even with 8-10GB of free ram. I have 12GB currently.

Thanks for the important information. It means the patches proposed
are not likely to help your case.

In Comment #47 for bug 12309, your kernel 2.6.27 is too old though. You may
well benefit from Jens' CFQ low latency improvements if switching to a recent
kernel.

Thanks,
Fengguang
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