[Gluster-users] Tuning for small files

[André Bauer]

Are these options enabled by default, at least for new volumes in 3.7?
If not, why?

Regards
André

Am 30.09.2015 um 16:22 schrieb 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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>> Gluster-users at gluster.org
>> http://www.gluster.org/mailman/listinfo/gluster-users
>>
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> 


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