From: Guoqing Jiang <jgq516@gmail.com>
To: gal.ofri@storing.io, linux-raid@vger.kernel.org
Cc: Song Liu <song@kernel.org>, Neil Brown <neilb@suse.de>
Subject: Re: [PATCH] md/raid5: reduce lock contention in read_one_chunk()
Date: Fri, 4 Jun 2021 15:43:48 +0800 [thread overview]
Message-ID: <2a5d0251-bfa5-4ea5-084d-23bbe52104ac@gmail.com> (raw)
In-Reply-To: <20210603135425.152570-1-gal.ofri@storing.io>
On 6/3/21 9:54 PM, gal.ofri@storing.io wrote:
> Each setup with raid6 (6+2) with group_thread_cnt=8, 1024 io threads on a
> 96 cpu-cores (48 per socket) system.
Just curious '8' is chose for group_thread_cnt. IIUC, group means one
numa node, and better to
set it to match the number of cores in one numa node in case better
performance is expected.
Thanks,
Guoqing
next prev parent reply other threads:[~2021-06-04 7:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-03 13:54 [PATCH] md/raid5: reduce lock contention in read_one_chunk() gal.ofri
2021-06-03 23:31 ` NeilBrown
2021-06-04 8:42 ` Gal Ofri
2021-06-04 9:19 ` Gal Ofri
2021-06-05 0:30 ` NeilBrown
2021-06-06 15:10 ` Gal Ofri
2021-06-04 7:43 ` Guoqing Jiang [this message]
2021-06-04 8:53 ` Gal Ofri
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