[Bugs] [Bug 1671556] glusterfs FUSE client crashing every few days with 'Failed to dispatch handler'

bugzilla at redhat.com bugzilla at redhat.com
Fri Feb 22 04:47:20 UTC 2019


https://bugzilla.redhat.com/show_bug.cgi?id=1671556



--- Comment #28 from Artem Russakovskii <archon810 at gmail.com> ---
(In reply to Nithya Balachandran from comment #27)
> (In reply to Artem Russakovskii from comment #26)
> > I wish I could say the same thing. Unfortunately, I had another crash on the
> > same server yesterday, with performance.write-behind still set to off. I've
> > emailed the core file privately to the relevant people.
> > 
> 
> 
> Thanks Artem. I have downloaded the coredump and will take a look sometime
> this week. Can you share any details about the workload that might help us
> narrow it down?

We have a blog with images stored on gluster. Let's say 400k average views per
day, split across 4 web servers, but the majority is cached by Cloudflare.
Probably a hundred file writes per day, just images for blog posts.

The 2nd site hosts Android apks and has quite a bit more traffic than the blog,
but all apks are also cached by Cloudflare. Several hundred apks written per
day.

4.1 didn't break a sweat with our setup, so I really don't know why I'm having
so much trouble. And it's always the same web server of the 4 too, and they're
supposed to be roughly identical.

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