Re: [Gluster-users] quota severe performace issue help

2012-09-28 Thread 符永涛
Just find out set features.quota-timeout to an acceptable value like 30 significantly helps. for example: sudo gluster volume set test_replica2_dis4 features.quota-timeout 30 -sh-4.1$ sudo dd if=/dev/zero of=/mnt/iotest/xferd bs=1M count=2000 2000+0 records in 2000+0 records out 2097152000 bytes

[Gluster-users] quota severe performace issue help

2012-09-28 Thread 符永涛
Dear gluster experts, We have encountered a severe performance issue related to quota feature of gluster. My underlying fs is lvm with xfs format. The problem is if quota is enabled the io performance is about 26MB/s but with quota disabled the io performance is 216MB/s. Any one known what's the

[Gluster-users] Call for Participation: Gluster Workshop at LinuxCon EU

2012-09-28 Thread John Mark Walker
Greetings, If you were planning to attend LinuxCon EU in Barcelona, we will once again have a full-day Gluster community workshop as one of the co-located events. It will be on Thursday, November 8. If you have an interesting project or you wanted to show off something you're doing with GlusterFS

Re: [Gluster-users] RAID 0 with Cache v/s NO-RAID

2012-09-28 Thread Brian Candler
On Fri, Sep 28, 2012 at 08:58:55AM +0530, Indivar Nair wrote: >We were trying to cater to both large file (100MB - 2GB) read speed and >small file (10-50MB) read+write speed. >With Gluster, we were thinking of setting the individual stripe size to >50MB so that each volume could hol