[Gluster-users] Tuning for small files

[Ben Turner]

----- Original Message -----
> From: "Iain Milne" <glusterfs at noognet.org>
> To: gluster-users at gluster.org
> Sent: Wednesday, September 30, 2015 2:48:57 AM
> Subject: Re: [Gluster-users] Tuning for small files
> 
> > Where you run into problems with smallfiles on gluster is latency of
> sending
> > data over the wire.  For every smallfile create there are a bunch of
> different
> > file opetations we have to do on every file.  For example we will have
> to do
> > at least 1 lookup per brick to make sure that the file doesn't exist
> anywhere
> > before we create it.  We actually got it down to 1 per brick with lookup
> > optimize on, its 2 IIRC(maybe more?) with it disabled.
> 
> Is this lookup optimize something that needs to be enabled manually with
> 3.7, and if so, how?

Here are all 3 of the settings I was talking about:

    gluster v set testvol client.event-threads 4
    gluster v set testvol server.event-threads 4
    gluster v set testvol performance.lookup-optimize on

Yes, lookup optimize needs to be enabled.

-b

> Thanks
> 
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