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Date: Thu, 5 Apr 2007 20:03:14 +0400
From: Dmitriy Kirhlarov <dimma@higis.ru>
To: freebsd-stable@freebsd.org
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Subject: Re: ggate + gmirror write performance woes
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On Thu, Apr 05, 2007 at 10:58:56AM -0400, Sven Willenberger wrote:
> I am trying to set up a HA type system involving two identical boxes and
> have gone through the following to set up the systems:
> 
> Slave server: 
> ggated -R 196608 -S 196608
> (exporting /dev/amrd1 )
> net.inet.tcp.sendspace: 65536
> net.inet.tcp.recvspace: 131072

Try
net.local.stream.recvspace=65535
net.local.stream.sendspace=65535

Also, try increase this sysctls with
net.inet.tcp.rfc1323=1

I use it on FreeBSD 5.x with:
net.inet.tcp.sendspace=131072
net.inet.tcp.recvspace=131072
net.local.stream.recvspace=65535
net.local.stream.sendspace=65535

ggated -R 1048576 -S 1048576
ggatec -R 1048576 -S 1048576

WBR.
Dmitriy