[Gluster-users] Glusterfs - Translators/Performance

[Joe Julian]

On 11/30/2015 08:32 AM, Rao, Uthra R. (GSFC-672.0)[ADNET SYSTEMS INC] wrote:
> Thank you Vijay for taking the time to reply.
>
> What we want is writes to be a bit better than the 10MBps we are seeing but not as important as read which is good at 400MBps.

That's what results you're looking for, but nothing about the workload.

>
> Is it better to store settings in /etc/glusterfs/glusterd.vol (as in the docs) or with "gluster set" (on command line as most posts seem to use)?

s/docs/wiki pages for the 3.2ish version/

>
> Does only one of performance/io-threads, performance/io-cache, performance/writebehind translators take effect or are they all in effect?  Are they ON by default?
>
> We currently only installed gluster client on our clients, which doesn't have the gluster command for settings the properties.
> Should we install gluster server on our clients also to change gluster client properties?

Changes made through the cli (gluster volume set) change the volume 
configuration state. You can see those state files under 
/var/lib/glusterd/vols/$volname. The *fuse.vol file is what the client 
retrieves from the servers at mount time or when there's a change that 
affects the client.

>
> Thank you.
> Uthra
>   
>
>
>
>
> -----Original Message-----
> From: Vijay Bellur [mailto:vbellur at redhat.com]
> Sent: Friday, November 27, 2015 7:48 PM
> To: Rao, Uthra R. (GSFC-672.0)[ADNET SYSTEMS INC]
> Cc: gluster-users at gluster.org
> Subject: Re: [Gluster-users] Glusterfs - Translators/Performance
>
>
>
> ----- Original Message -----
>> From: "Uthra R. Rao (GSFC-672.0)[ADNET SYSTEMS INC]"
>> <uthra.r.rao at nasa.gov>
>> To: gluster-users at gluster.org
>> Sent: Friday, November 27, 2015 1:19:12 PM
>> Subject: [Gluster-users] Glusterfs - Translators/Performance
>>
>>
>>
>> I was reading this link and was not sure if these settings go in to
>> /etc/glusterfs/glusterd.vol? Do I have to just edit this file to add
>> the setting?
>>
>>
>>
>> http://www.gluster.org/community/documentation/index.php/Translators/p
>> erformance
>>
>>
>>
>> do we have to choose between writebehind, io-threads, io-cache?
>>
>
> By default all gluster volumes have these capabilities built in. What is your workload and what is the nature of performance improvements that you are looking forward to?
>
> Thanks,
> Vijay
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