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Re: [Gluster-devel] AFR between two bricks over 3000 miles
From: |
Krishna Srinivas |
Subject: |
Re: [Gluster-devel] AFR between two bricks over 3000 miles |
Date: |
Sat, 1 Mar 2008 13:44:51 +0530 |
On Sat, Mar 1, 2008 at 11:39 AM, Krishna Srinivas <address@hidden> wrote:
> Nathan,
>
> Check the performance by bringing writebehind into the picture your
> config file shows that WB and iocache translators are not being used.
As in:
volume mirror
type cluster/afr
subvolumes nyc sjc_write-behind
end-volume
>
> Regards
> Krishna
>
>
>
> On Sat, Mar 1, 2008 at 8:48 AM, <address@hidden> wrote:
> >
> > /etc/sysconfig is only 748K
> > cp /etc/sysconfig to /share/mirror took real 0m55.319s
> > cp /etc/sysconfig to /share took real 0m0.030s
> >
> > I expected it to be much faster. :)
> >
> > # Client
> > volume nyc
> > type protocol/client
> > option transport-type tcp/client
> > option remote-host 10.11.0.1
> > option remote-subvolume nyc
> > end-volume
> >
> > volume sjc
> > type protocol/client
> > option transport-type tcp/client
> > option remote-host 10.12.0.1
> > option remote-subvolume sjc
> > end-volume
> >
> > volume sjc_iocache
> > type performance/io-cache
> > option page-size 256KB
> > option page-count 2
> > subvolumes sjc
> > end-volume
> >
> > volume sjc_write-behind
> > type performance/write-behind
> > option aggregate-size 1MB
> > option flush-behind on
> > subvolumes sjc_iocache
> > end-volume
> >
> > volume mirror
> > type cluster/afr
> > subvolumes nyc sjc
> > end-volume
> >
> >
> >
> > ><>
> > Nathan Stratton
> > nathan at robotics.net
> > http://www.robotics.net
> >
> >
> >
> > On Thu, 28 Feb 2008, Anand Avati wrote:
> >
> > > on the client. you also might want to put this write-behind + io-cache
> pair
> > > in the subvolume path of afr which leads towards the remote site alone.
> Also
> > > make sure afr does not have the remote site as the first subvolume, and
> has
> > > the option read-subvolume <local-volume> so that reads are not
> scheduled to
> > > the remote site.
> > >
> > > avati
> > >
> > > 2008/2/28, address@hidden <address@hidden>:
> > >>
> > >>
> > >> On Thu, 28 Feb 2008, Anand Avati wrote:
> > >>
> > >>> using a combination of write-behind with io-threads (with option
> > >>> flush-behind on) prevents the wait of upto N-MB of data (where N is
> > >> 'option
> > >>> cache-size NMB' of io-threads)
> > >>
> > >>
> > >> Client and server are on each host, should I do this on the client or
> > >> server?
> > >>
> > >> -Nathan
> > >>
> > >
> > >
> > >
> > > --
> > > If I traveled to the end of the rainbow
> > > As Dame Fortune did intend,
> > > Murphy would be there to tell me
> > > The pot's at the other end.
> > >
> >
> >
> > _______________________________________________
> > Gluster-devel mailing list
> > address@hidden
> > http://lists.nongnu.org/mailman/listinfo/gluster-devel
> >
>
>
> _______________________________________________
> Gluster-devel mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/gluster-devel
>
- Re: [Gluster-devel] AFR between two bricks over 3000 miles, Krishna Srinivas, 2008/03/01
- Re: [Gluster-devel] AFR between two bricks over 3000 miles,
Krishna Srinivas <=
- Re: [Gluster-devel] AFR between two bricks over 3000 miles, nathan, 2008/03/01
- Re: [Gluster-devel] AFR between two bricks over 3000 miles, Anand Avati, 2008/03/03
- Re: [Gluster-devel] AFR between two bricks over 3000 miles, nathan, 2008/03/03
- Re: [Gluster-devel] AFR between two bricks over 3000 miles, nathan, 2008/03/03
- Re: [Gluster-devel] AFR between two bricks over 3000 miles, Anand Avati, 2008/03/03
- Re: [Gluster-devel] AFR between two bricks over 3000 miles, nathan, 2008/03/09
- Re: [Gluster-devel] AFR between two bricks over 3000 miles, Krishna Srinivas, 2008/03/11
- Re: [Gluster-devel] AFR between two bricks over 3000 miles, nathan, 2008/03/25
- Re: [Gluster-devel] AFR between two bricks over 3000 miles, Krishna Srinivas, 2008/03/27
- Re: [Gluster-devel] AFR between two bricks over 3000 miles, nathan, 2008/03/27