linux-kernel - Re: [PATCH -next] blk-throttle: enable io throttle for root in cgroup v2

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Message-ID: <YgK7J8TFyFvp/rv1@slm.duckdns.org>
Date:   Tue, 8 Feb 2022 08:49:11 -1000
From:   Tejun Heo <tj@...nel.org>
To:     "yukuai (C)" <yukuai3@...wei.com>
Cc:     axboe@...nel.dk, cgroups@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        yi.zhang@...wei.com
Subject: Re: [PATCH -next] blk-throttle: enable io throttle for root in
 cgroup v2

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?

Thanks.

-- 
tejun