Hi Josy GlusterFS version I use: glusterfs 3.0.3 built on Mar 16 2010 18:10:30 Repository revision: v3.0.2-41-g029062c on Linux Debian 2.6.26-2-xen-amd64 3 servers have 8 GB RAM (the ones which run apache & plesk). 4GB for the phy server and 4 GB for the rest ( I guess it is enough) benchmarks: Writting into gluster disk from xen server web1:/home# dd if=/dev/zero of=borrame.txt bs=1M count=10 10+0 records in 10+0 records out 10485760 bytes (10 MB) copied, 0.530336 s, 19.8 MB/s web1:/home# dd if=/dev/zero of=borrame.txt bs=1M count=100 100+0 records in 100+0 records out 104857600 bytes (105 MB) copied, 2.2445 s, 46.7 MB/s web1:/home# dd if=/dev/zero of=borrame.txt bs=1M count=500 500+0 records in 500+0 records out 524288000 bytes (524 MB) copied, 49.629 s, 10.6 MB/s web1:/home# time rm borrame.txt real 0m0.302s user 0m0.000s sys 0m0.024s Writting into phy disk from xen server web1:/home2# dd if=/dev/zero of=borrame.txt bs=1M count=10 10+0 records in 10+0 records out 10485760 bytes (10 MB) copied, 0.0260199 s, 403 MB/s web1:/home2# dd if=/dev/zero of=borrame.txt bs=1M count=100 100+0 records in 100+0 records out 104857600 bytes (105 MB) copied, 0.346866 s, 302 MB/s web1:/home2# dd if=/dev/zero of=borrame.txt bs=1M count=500 500+0 records in 500+0 records out 524288000 bytes (524 MB) copied, 2.12455 s, 247 MB/s web1:/home2# time rm borrame.txt real 0m0.016s user 0m0.000s sys 0m0.016s I hope it helps Many thanks Josy Kyle > hi kyle, > > i would recommend useing glusterfs 3.0.5. > read the "Important Enhancements and Bugs Fixed in GlusterFS 3.0.5" of > the release notes... > (http://ftp.gluster.com/pub/gluster/glusterfs/3.0/3.0.5/GlusterFS_3.0.5_ > Release_Notes.pdf) > > i've used glusterfs version 3.0.4 and had similar problems with it. > (problems with locks, timeouts, small files ....) > which version do you use? > > i think it's good when glusterfs uses much memory => caching :-) > > when serving with apache i recommend following apache core config: (it's > also recommended serveing nfs published files) > http://httpd.apache.org/docs/2.2/mod/core.html#enablemmap > > EnableMMAP off > EnableSendfile off > > my system config: > * glusterfs 3.0.5 (rpm setup) on centos 5.5 kernel: > 2.6.18-194.8.1.el5xen > * all systems in "virtual environment" (apache & gluster server) > * i don't use a "dedicaded" nic for gluster environment -> no bottle > necks ... > * 2 raid1 gluster servers > * 5 clients ... > > my speed comparison: (DELL PE R701, 10k SAS disks) citrix xenserver > virtualhost with physical disks: up to 160 mb/sek (one big file) > virtualhost with gluster disks: up to 80 mb/sek (one big file dd > if=/dev/zero of=/mnt/store ...) > for small files i'm getting much lower values... > > I'm still expanding and useing glusterfs more and more ... > please update me about your experience or special settings! > > regards, > josy > gugler* News der Woche: Erfolgreiches ?ko-Audit! Das g* > Umweltmanagementsystem erf?llt die h?chsten europ?ischen EMAS-Standards. > Lesen Sie mehr dar?ber im neuen gugler* Nachhaltigkeitsbericht: > http://www.gugler.at/unternehmen/publikationen/g-nachhaltigkeitsbericht.html > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users > -------------------------------------------------------------------------------------------- Busca, compara... pero busca en Qu?! Desc?brelo en http://buscar.que.es/ -------------------------------------------------------------------------------------------- Correo enviado desde http://www.ozu.es