Hi, We're looking into the problem on similar setups and workng on it. Meanwhile can you let us know if performance increases if you use this option: option transport.socket.nodelay on' in each of your protocol/client and protocol/server volumes. Pavan On 28/09/09 11:25 +0100, Hiren Joshi wrote: > Another update: > It took 1240 minutes (over 20 hours) to complete on the simplified > system (without mirroring). What else can I do to debug? > > > -----Original Message----- > > From: gluster-users-bounces at gluster.org > > [mailto:gluster-users-bounces at gluster.org] On Behalf Of Hiren Joshi > > Sent: 24 September 2009 13:05 > > To: Pavan Vilas Sondur > > Cc: gluster-users at gluster.org > > Subject: Re: Rsync > > > > > > > > > -----Original Message----- > > > From: Pavan Vilas Sondur [mailto:pavan at gluster.com] > > > Sent: 24 September 2009 12:42 > > > To: Hiren Joshi > > > Cc: gluster-users at gluster.org > > > Subject: Re: Rsync > > > > > > Can you let us know the following: > > > > > > * What is the exact directory structure? > > /abc/def/ghi/jkl/[1-4] > > now abc, def, ghi and jkl are one of a thousand dirs. > > > > > * How many files are there in each individual directory and > > > of what size? > > Each of the [1-4] dirs has about 100 files in, all under 1MB. > > > > > * It looks like each server process has 6 export > > > directories. Can you run one server process each for a single > > > export directory and check if the rsync speeds up? > > I had no idea you could do that. How? Would I need to create 6 config > > files and start gluster: > > > > /usr/sbin/glusterfsd -f /etc/glusterfs/export1.vol or similar? > > > > I'll give this a go.... > > > > > * Also, do you have any benchmarks with a similar setup on > > say, NFS? > > NFS will create the dir tree in about 20 minutes then start > > copying the > > files over, it takes about 2-3 hours. > > > > > > > > Pavan > > > > > > On 24/09/09 12:13 +0100, Hiren Joshi wrote: > > > > It's been running for over 24 hours now. > > > > Network traffic is nominal, top shows about 200-400% cpu > > (7 cores so > > > > it's not too bad). > > > > About 14G of memory used (the rest is being used as disk cache). > > > > > > > > Thoughts? > > > > > > > > > > > > > > > > <snip> > > > > > > > > > > > > > > > > An update, after running the rsync for a day, I killed it > > > > > > > and remounted > > > > > > > > all the disks (the underlying filesystem, not the > > gluster) > > > > > > > with noatime, > > > > > > > > the rsync completed in about 600 minutes. I'm now > > going to > > > > > > > try one level > > > > > > > > up (about 1,000,000,000 dirs). > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > > > From: Pavan Vilas Sondur [mailto:pavan at gluster.com] > > > > > > > > > Sent: 23 September 2009 07:55 > > > > > > > > > To: Hiren Joshi > > > > > > > > > Cc: gluster-users at gluster.org > > > > > > > > > Subject: Re: Rsync > > > > > > > > > > > > > > > > > > Hi Hiren, > > > > > > > > > What glusterfs version are you using? Can you > > send us the > > > > > > > > > volfiles and the log files. > > > > > > > > > > > > > > > > > > Pavan > > > > > > > > > > > > > > > > > > On 22/09/09 16:01 +0100, Hiren Joshi wrote: > > > > > > > > > > I forgot to mention, the mount is mounted with > > > > > > > direct-io, would this > > > > > > > > > > make a difference? > > > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > > > > > From: gluster-users-bounces at gluster.org > > > > > > > > > > > [mailto:gluster-users-bounces at gluster.org] On > > > Behalf Of > > > > > > > > > Hiren Joshi > > > > > > > > > > > Sent: 22 September 2009 11:40 > > > > > > > > > > > To: gluster-users at gluster.org > > > > > > > > > > > Subject: Rsync > > > > > > > > > > > > > > > > > > > > > > Hello all, > > > > > > > > > > > > > > > > > > > > > > I'm getting what I think is bizarre > > > behaviour.... I have > > > > > > > > > about 400G to > > > > > > > > > > > rsync (rsync -av) onto a gluster share, the data is > > > > > > > in a directory > > > > > > > > > > > structure which has about 1000 directories > > > per parent and > > > > > > > > > about 1000 > > > > > > > > > > > directories in each of them. > > > > > > > > > > > > > > > > > > > > > > When I try to rsync an end leaf directory (this > > > > > has about 4 > > > > > > > > > > > dirs and 100 > > > > > > > > > > > files in each) the operation takes about 10 > > > > > seconds. When I > > > > > > > > > > > go one level > > > > > > > > > > > above (1000 dirs with about 4 dirs in each > > > with about 100 > > > > > > > > > > > files in each) > > > > > > > > > > > the operation takes about 10 minutes. > > > > > > > > > > > > > > > > > > > > > > Now, if I then go one level above that (that's 1000 > > > > > > dirs with > > > > > > > > > > > 1000 dirs > > > > > > > > > > > in each with about 4 dirs in each with about > > > 100 files in > > > > > > > > > each) the > > > > > > > > > > > operation takes days! Top shows glusterfsd > > > takes 300-600% > > > > > > > > > cpu usage > > > > > > > > > > > (2X4core), I have about 48G of memory > > (usage is 0% as > > > > > > > expected). > > > > > > > > > > > > > > > > > > > > > > Has anyone seen anything like this? How can I > > > speed it up? > > > > > > > > > > > > > > > > > > > > > > Thanks, > > > > > > > > > > > > > > > > > > > > > > Josh. > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > > > > > > Gluster-users mailing list > > > > > > > > > > Gluster-users at gluster.org > > > > > > > > > > > > > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > > Gluster-users mailing list > > > > > > Gluster-users at gluster.org > > > > > > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users > > > > > > > > > > > _______________________________________________ > > Gluster-users mailing list > > Gluster-users at gluster.org > > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users > >
