[Gluster-users] gluster 3.2.0 - totally broken?

[Justice London]

Ah, well I was actually looking around to see if with 3.2 there was a
command to set the performance options... answers that question. Either way,
though, I think setting the threads will help a lot.
Justice London

-----Original Message-----
From: Burnash, James [mailto:jburnash at knight.com] 
Sent: Wednesday, May 18, 2011 12:57 PM
To: 'Justice London'; 'Tomasz Chmielewski'; 'Anthony J. Biacco'
Cc: gluster-users at gluster.org
Subject: RE: [Gluster-users] gluster 3.2.0 - totally broken?

I believe that it is more consistent and repeatable to just use the gluster
command to set this. Example from this page:
http://www.gluster.com/community/documentation/index.php/Gluster_3.1:_Settin
g_Volume_Options

gluster volume set VOLNAME performance.io-thread-count 64

This also means that your changes will persist across any other "gluster
volume set" commands. Generally speaking, hand editing the volume config
files is a bad idea, IMHO.

James

-----Original Message-----
From: gluster-users-bounces at gluster.org
[mailto:gluster-users-bounces at gluster.org] On Behalf Of Justice London
Sent: Wednesday, May 18, 2011 3:49 PM
To: 'Tomasz Chmielewski'; 'Anthony J. Biacco'
Cc: gluster-users at gluster.org
Subject: Re: [Gluster-users] gluster 3.2.0 - totally broken?

Whoops, and forgot the threads edit for the brick instance config:

volume <volname>-io-threads
    type performance/io-threads
    option thread-count 64
    subvolumes <volname>-locks
end-volume

Justice London
Systems Administrator

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-----Original Message-----
From: gluster-users-bounces at gluster.org
[mailto:gluster-users-bounces at gluster.org] On Behalf Of Tomasz Chmielewski
Sent: Wednesday, May 18, 2011 10:05 AM
To: Anthony J. Biacco
Cc: gluster-users at gluster.org
Subject: Re: [Gluster-users] gluster 3.2.0 - totally broken?

On 18.05.2011 18:56, Anthony J. Biacco wrote:
> I'm using it in real-world production, lot of small files (apache 
> webroot mounts mostly). I've seen a bunch of split-brain and self-heal 
> failing when I first did the switch. After I removed and recreated the 
> dirs it seemed to be fine for about a week now; yeah not long, I know.
>
> I 2^nd the notion that it'd be nice to see a list of what files/dirs 
> gluster thinks is out of sync or can't heal. Right now you gotta go 
> diving into the logs.
>
> I'm actually thinking of downgrading to 3.1.3 from 3.2.0. Wonder if 
> I'd have any ill-effects on the volume with a simple rpm downgrade and 
> daemon restart.

I've been using 3.2.0 for a while, but I had a problem with userspace
programs "hanging" on accessing some files on the gluster mount (described
here on the list).

I downgraded to 3.1.4 (remove 3.2.0 rpm and config, install 3.1.4 rpm, add
nodes) and it works fine for me.

3.0.x was also crashing for me when SSHFS-like mount was used to the server
with gluster mount (and reads/writes were made from the gluster mount
through it).



--
Tomasz Chmielewski
http://wpkg.org
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