From: Wang You <wangyoua@uniontech.com>
To: bvanassche@acm.org
Cc: axboe@kernel.dk, fio@vger.kernel.org, hch@lst.de,
jaegeuk@kernel.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, ming.lei@redhat.com,
wangxiaohua@uniontech.com, wangyoua@uniontech.com
Subject: Re: [PATCH v2 1/2] block: Introduce nr_sched_batch sys interface
Date: Sat, 23 Jul 2022 18:04:06 +0800 [thread overview]
Message-ID: <20220723100406.437387-1-wangyoua@uniontech.com> (raw)
In-Reply-To: <da0fe451-c036-cd18-7eb2-55c51c104ab5@acm.org>
> Do we need this new parameter? How does the performance of reducing
> nr_requests compare to configuring nr_sched_batch?
It seems I can't get convincing data in the current test conditions, sorry,
please ignore it unless I can produce valid evidence.
I will reconsider the effect of this modification on a single disk,
from recent testing it seems that the link to the raid controller has
a lot of impact.
Thanks,
Wang.
next prev parent reply other threads:[~2022-07-23 10:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-22 9:51 [PATCH v2 0/2] Improve mq-deadline performance in HDD Wang You
2022-07-22 9:51 ` [PATCH v2 1/2] block: Introduce nr_sched_batch sys interface Wang You
2022-07-22 17:35 ` Bart Van Assche
2022-07-23 10:04 ` Wang You [this message]
2022-07-22 9:51 ` [PATCH v2 2/2] block/mq-deadline: Prioritize first request Wang You
2022-07-22 17:47 ` Bart Van Assche
2022-07-23 10:59 ` Wang You
2022-07-25 1:48 ` Bart Van Assche
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