Are you sure? I have tried, but nothing changes [@123.25 ~]# rmmod fuse [@123.25 ~]# yum install fuse-2.7.3-1.el5.rf dkms-fuse-2.7.3-1.nodist.rf glusterfs [@123.25 ~]# dd if=/opt/xxx of=/mnt/xxx4 bs=16M 16+0 records in 16+0 records out 268435456 bytes (268 MB) copied, 25.4561 seconds, 10.5 MB/s [@123.25 ~]# modinfo fuse filename: /lib/modules/2.6.18-92.el5/extra/fuse.ko alias: char-major-10-229 license: GPL description: Filesystem in Userspace author: Miklos Szeredi <miklos at szeredi.hu> srcversion: BA591606954B6B1F7AA2660 depends: vermagic: 2.6.18-92.el5 SMP mod_unload gcc-4.1 @123.25 ~]# ll /lib/modules/2.6.18-92.el5/extra/fuse.ko -rw-r--r-- 1 root root 101384 Dec 7 22:55 /lib/modules/2.6.18-92.el5/extra/fuse.ko -----Original Message----- From: anand.avati at gmail.com [mailto:anand.avati at gmail.com] On Behalf Of Anand Avati Sent: Sunday, December 07, 2008 3:02 AM To: Kirby Zhou Cc: gluster-users at gluster.org Subject: Re: Why so bad performance? > fuse.x86_64-2.7.4-1.el5.rf from dag.wieers.com > dkms-fuse.noarch-2.7.4-1.nodist.rf from dag.wieers.com Can you try with a different fuse version (kernel module included)? There have been reports about 2.7.4 performing badly for writes in certain kernel versions. Can you try 2.7.3 ? thanks, avati
