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Re: [Gluster-devel] noatime mount option on the client?


From: Hans Einar Gautun
Subject: Re: [Gluster-devel] noatime mount option on the client?
Date: Tue, 25 Mar 2008 12:36:51 +0100

Just a question now: If you mount the backend disks with noatime option,
will glusterfs then drop it as well?

regards 
Einar

On Mon, 2008-03-17 at 08:40 +0530, Anand Avati wrote:
> >
> > I'm wondering if it would help the performance for small files if I add
> > the noatime option in the fstab for the gluster mount on the client
> > machines (it's already there on the servers, of course).
> >
> > So basically, could a setting like
> >
> > /etc/glusterfs/glusterfs-client.vol  /mnt/gluster1  glusterfs
> > defaults,noatime  0  0
> >
> > be useful? Or is atime updates none of the clients business?
> 
> 
> Currently the option would not help. atime is updated bo storage/posix
> 'naturally'. Other translators which do caching (like read-ahead) have
> options to send dummy 1-byte read to update the atime when the requests hits
> the cache.
> 
> avati
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-- 
Einar Gautun                     address@hidden

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