[Gluster-users] Slow performance from simple tar -x && rm -r benchmark

David Coulson david at davidcoulson.net
Wed Mar 21 17:27:14 UTC 2012

Weird - Actually slower than fuse. Does the 'nolock' nfs mount option 
make a difference?

On 3/21/12 1:22 PM, Bryan Whitehead wrote:
> [root at lab0-v3 ~]# mount -t nfs -o tcp,nfsvers=3 localhost:/images /mnt
> [root at lab0-v3 ~]# cd /mnt
> [root at lab0-v3 mnt]# time bash -c 'tar xf /root/linux-3.3.tar ; sync ;
> rm -rf linux-3.3'
> real	2m26.698s
> user	0m0.334s
> sys	0m6.943s
> On Wed, Mar 21, 2012 at 6:22 AM, David Coulson<david at davidcoulson.net>  wrote:
>> On 3/20/12 2:47 AM, Bryan Whitehead wrote:
>>> I'm going to start off and say that I misstated, I must have been
>>> doing my *many-file* tests *inside* VM's running on top of glusterfs.
>>> I post a loopback test later this week.
>> Can you repeat the test using NFS rather than Fuse? I've seen a approx 2x
>> performance increase with 'small files' using NFS over Fuse, however I'm not
>> sure if it's just anecdotal, or actually a reality.
>> David

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