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Date:      Thu, 26 Jun 2014 21:54:42 -0400
From:      Mike Tancsa <mike@sentex.net>
To:        Eugene Grosbein <eugen@grosbein.net>
Cc:        Rick Macklem <rmacklem@uoguelph.ca>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>
Subject:   Re: nfs slowdown (RELENG_8) (solved)
Message-ID:  <53ACCEE2.5010908@sentex.net>
In-Reply-To: <53AACFE8.3060509@sentex.net>
References:  <2091718059.2982836.1403563319620.JavaMail.root@uoguelph.ca> <53A978D1.2000207@sentex.net> <53A987AE.8060708@sentex.net> <53A9DC0D.2000705@sentex.net> <20140625131237.GA82922@rdtc.ru> <53AACFE8.3060509@sentex.net>

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On 6/25/2014 9:34 AM, Mike Tancsa wrote:
> On 6/25/2014 9:12 AM, Eugene Grosbein wrote:
>> ktrace  cat /dev/zero > /nfsbackup/test

Adding

hw.igb.enable_msix=0 to /boot/loader.conf

fixes it.  cat /dev/zero is now ~ 600Mb/s.  Not the same speed as dd, 
but a lot better compared to 25Mb

	---Mike


-- 
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada   http://www.tancsa.com/



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