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Subject: Re: [PATCH -next] blk-throttle: enable io throttle for root in cgroup
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To:     Tejun Heo <tj@kernel.org>
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From:   "yukuai (C)" <yukuai3@huawei.com>
Message-ID: <34ae7d06-4f6b-73f7-7299-65cb8859aad8@huawei.com>
Date:   Wed, 9 Feb 2022 09:22:30 +0800
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?? 2022/02/09 2:49, Tejun Heo д??:
> Hello,
> 
> On Tue, Feb 08, 2022 at 09:38:33AM +0800, yukuai (C) wrote:
>> 3) If we limit iops to 8 for each client from server, client should work
>> fine, however, server can receive 64 x 8 = 512 io at most at the same
>> time, which might cause too much pressure on the server.(maybe bps is
>> more appropriate to explain the high pressure).
> 
> I don't follow this part. Why can't the server control however it wanna
> control?

Hi,

Do you agree that the server can't control how many io it can receives
from one client if we limit from server? I think the difference is that
limit from client can control it...

Thanks,
Kuai
> 
> Thanks.
>