[Gluster-users] NFS versus Fuse file locking problem (NFS works, fuse doesn't...)

[Vijay Bellur]

On Thu, Aug 24, 2017 at 9:01 AM, Krist van Besien <krist at redhat.com> wrote:

> Hi
> This is gluster 3.8.4. Volume options are out of the box. Sharding is off
> (and I don't think enabling it would matter)
>
> I haven't done much performance tuning. For one thing, using a simple
> script that just creates files I can easily flood the network, so I don't
> expect a performance issue.
>
> The problem we see is that after a certain time the fuse clients
> completely stop accepting writes. Something is preventing the application
> to write after a while.
> We see this on the fuse client, but not when we use nfs. So the question I
> am interested in seeing an answer too is in what way is nfs different from
> fuse that could cause this.
>
> My suspicion is it is locking related.
>
>
Would it be possible to obtain a statedump of the native client when the
application becomes completely unresponsive? A statedump can help in
understanding operations within the gluster stack. Log file of the native
client might also offer some clues.

Regards,
Vijay
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