[Gluster-users] File changed as we read it

[Ben Turner]

----- Original Message -----
> From: "Gabriel Kuri" <gkuri at ieee.org>
> To: hmlth at t-hamel.fr
> Cc: "gluster-users" <gluster-users at gluster.org>
> Sent: Tuesday, October 20, 2015 12:18:19 PM
> Subject: Re: [Gluster-users] File changed as we read it
> 
> Well, that fixed it. I unmounted/remounted the client after turning on
> 'cluster.consistent-metadata' on the volume and it works fine now. What, if
> any, side effects are there for turning on cluster.consistent-metadata?

Turning on consistent-metadata will decrease metadata workload(think stat, ls -l, get xattr, etc) performance to ~1/5 of what it is when that setting is disabled in my test env.  I'm sure that varies depending on your #of bricks, backend perf, etc.

-b

 
> On Mon, Oct 19, 2015 at 1:30 AM, < hmlth at t-hamel.fr > wrote:
> 
> 
> You have to umount/mount on the client, for the parameter to work.
> 
> Thomas
> 
> On 2015-10-15 18:18, Gabriel Kuri wrote:
> 
> 
> I enabled the option on the volume, but it did not fix the issue, the
> problem is still there.
> 
> Gabe
> 
> On Tue, Oct 6, 2015 at 6:10 PM, Krutika Dhananjay
> < kdhananj at redhat.com > wrote:
> 
> 
> 
> Let me know if this helps:
> 
> 
> http://www.gluster.org/pipermail/gluster-users/2015-September/023641.html
> 
> 
> [1]
> 
> -Krutika
> 
> -------------------------
> FROM: "Gabriel Kuri" < gkuri at ieee.org >
> TO: "Marco" < marco.brignoli at lorentino.ns0.it >
> CC: "gluster-users" < Gluster-users at gluster.org >
> SENT: Wednesday, October 7, 2015 5:26:47 AM
> SUBJECT: Re: [Gluster-users] File changed as we read it
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1251291 [2]
> 
> I opened this bug a couple months ago. It's related to a couple
> other bugs that were closed but not fixed. I haven't heard anything
> yet, since it was opened. You're not the only one hitting this
> problem ...
> 
> On Tuesday, October 6, 2015, Marco < marco.brignoli at marcobaldo.ch >
> wrote:
> Hello.
> 
> I have got a big number of messages similar to this one by using tar
> on
> a gluster volume
> 
> tar: ./games/pacman-python/screenshot-1.png: file changed as we read
> it
> 
> The files have been for sure not be changed by any other process,
> and I
> have not found any error in the logs nor heal problems.
> 
> Any hypotesis?
> 
> Marco
> 
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> 
> Links:
> ------
> [1] http://www.gluster.org/pipermail/gluster-users/2015-September/023641.html
> [2] https://bugzilla.redhat.com/show_bug.cgi?id=1251291
> [3] http://JAVASCRIPT-BLOCKED ;
> [4] http://www.gluster.org/mailman/listinfo/gluster-users
> 
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