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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 11:39:11 +0530 |
Nathan,
Check the performance by bringing writebehind into the picture your
config file shows that WB and iocache translators are not being used.
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
>
- Re: [Gluster-devel] AFR between two bricks over 3000 miles,
Krishna Srinivas <=
- 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, 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