[Openstack-operators] User Survey: Pre-launch check

2017-01-09 Thread Heidi Joy Tretheway
ARE WE OFFERING THE RIGHT ANSWERS? Thanks for your input over the past month to revise the User Survey. Many of our technical questions, such as “which network drivers do you use?” or “which container tools do you use?” have answers that change with the speed of innovation. We’re in the final s

Re: [Openstack-operators] RabbitMQ 3.6.x experience?

2017-01-09 Thread Mike Dorman
Great info, thanks so much for this. We, too, have turned off stats collection some time ago (and haven’t really missed it.) Tomáš, what minor version of 3.6 are you using? We would probably go to 3.6.6 if we upgrade. Thanks again all! Mike On 1/9/17, 2:34 AM, "Ricardo Rocha" wrote: S

Re: [Openstack-operators] [nova] Automatically disabling compute service on RBD EMFILE failures

2017-01-09 Thread Daniel P. Berrange
On Sat, Jan 07, 2017 at 12:04:25PM -0600, Matt Riedemann wrote: > A few weeks ago someone in the operators channel was talking about issues > with ceph-backed nova-compute and OSErrors for too many open files causing > issues. > > We have a bug reported that's very similar sounding: > > https://b

Re: [Openstack-operators] RabbitMQ 3.6.x experience?

2017-01-09 Thread Ricardo Rocha
Same here, running 3.6.5 for (some) of the rabbit clusters. It's been stable over the last month (fingers crossed!), though: * gave up on stats collection (set to 6 which makes it not so useful) * can still make it very sick with a couple of misconfigured clients (rabbit_retry_interval=1 and r

Re: [Openstack-operators] RabbitMQ 3.6.x experience?

2017-01-09 Thread Tomáš Vondra
We have upgraded to RabbitMQ 3.6, and it resulted in one node crashing about every week on out of memory errors. To avoid this, we had to turn off the message rate collection. So no throughput graphs until it gets fixed. Avoid this version if you can. Tomas From: Sam Morrison [mailto:sorri.