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, <nathan@xxxxxxxxxxxx> 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, nathan@xxxxxxxxxxxx <nathan@xxxxxxxxxxxx>: > >> > >> > >> 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 > Gluster-devel@xxxxxxxxxx > http://lists.nongnu.org/mailman/listinfo/gluster-devel >