On Apr 5, 2019, at 12:00 PM, Simone Tiraboschi <stirabos@redhat.com> wrote:

Hi,
according to https://bugzilla.redhat.com/show_bug.cgi?id=1673058 the network throughput usage increases by a x5 upgrading from Gluster 3.12 to Gluster 5.y.

This seems definitively problematic on our hyper-converged environments: I read more than one report where, over 1 Gbps network, sanlock could not be refreshed quickly enough and so killed the engine VM if not rebooted the host due to the watchdog.

This is probably due to the fact that, according to that bug, the network got completely saturated. 

Faster networks seems still fine.

https://bugzilla.redhat.com/show_bug.cgi?id=1673058  is probably going to be solved for Gluster 5.6.

On the other side we have https://bugzilla.redhat.com/1693998 about rebasing over Gluster 6 which seems not affected by that issue.

Do you have concrete plans about testing oVirt with Gluster 6?

thanks,

Simone

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