[Gluster-users] stat-prefetch translator

Rafiq Maniar rafiq.maniar at gmail.com
Tue Nov 30 21:39:56 UTC 2010


Upgrading from 3.1.0 to 3.1.1 won't enable this automatically.

I'm not sure if its possible to enable via the gluster CLI, but the wording
the release notes would indicate not - i.e. it is configured when the client
volume files are generated.

What I did was deleted the volume and recreated it, and the client volume
then included the translator.

Having said that, maybe any regeneration of the client files (i.e. by
changing any
of the other options via SET) would do it too?


On Tue, Nov 30, 2010 at 9:35 PM, Lana Deere <lana.deere at gmail.com> wrote:

> The release notes for 3.1.1, section 2.2, mention a "stat-prefetch"
> translator.  I don't understand the part about client volume files
> being generated with it included in them - does this mean it is
> automatically turned on?  If one has 3.1.1 installed via upgrade from
> 3.1.0, would it be missing from the volume files because they are
> already generated by the earlier version?  Is the way to
> enable/disable it something like
>    gluster volume set VOLNAME stat-prefetch on
> or is there a different way?
> Basically I'd like to do some performance measurements with it on and
> off, but I don't understand how to accomplish this.  Any help
> appreciated.  Thanks!
> .. Lana (lana.deere at gmail.com)
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