From: Tejun Heo <tj@kernel.org>
To: Yu Kuai <yukuai1@huaweicloud.com>
Cc: axboe@kernel.dk, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, yi.zhang@huawei.com,
"yukuai (C)" <yukuai3@huawei.com>
Subject: Re: [PATCH -next 4/5] blk-iocost: bypass if only one cgroup issues io
Date: Tue, 11 Oct 2022 22:04:05 -1000 [thread overview]
Message-ID: <Y0Z09aVsg9TUGSRH@slm.duckdns.org> (raw)
In-Reply-To: <c19008c3-512e-92cc-6be1-3ecc24e74341@huaweicloud.com>
On Wed, Oct 12, 2022 at 09:33:46AM +0800, Yu Kuai wrote:
> Perhaps a suitable configuration can avoid this problem.
Yeah, iocost is a throttling controller. The default parameters try to be
adaptive but it really needs benchmarked parameters to work properly.
Thanks.
--
tejun
next prev parent reply other threads:[~2022-10-12 8:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-11 8:35 [PATCH -next 0/5] blk-iocost: some random patches to improve iocost Yu Kuai
2022-10-11 8:35 ` [PATCH -next 1/5] blk-iocost: disable writeback throttling Yu Kuai
2022-10-11 16:54 ` Tejun Heo
2022-10-11 8:35 ` [PATCH -next 2/5] blk-iocost: don't release 'ioc->lock' while updating params Yu Kuai
2022-10-11 16:56 ` Tejun Heo
2022-10-11 8:35 ` [PATCH -next 3/5] blk-iocost: prevent configuration update concurrent with io throttling Yu Kuai
2022-10-11 17:03 ` Tejun Heo
2022-10-11 8:35 ` [PATCH -next 4/5] blk-iocost: bypass if only one cgroup issues io Yu Kuai
2022-10-11 17:02 ` Tejun Heo
2022-10-12 1:33 ` Yu Kuai
2022-10-12 8:04 ` Tejun Heo [this message]
2022-10-11 8:35 ` [PATCH -next 5/5] blk-iocost: read 'ioc->params' inside 'ioc->lock' in ioc_timer_fn() Yu Kuai
2022-10-11 17:01 ` Tejun Heo
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