Re: [OmniOS-discuss] OmniOS NFS fileserver hanging under sustained high write loads

2015-05-04 Thread Dan McDonald
> On May 4, 2015, at 5:45 PM, Chris Siebenmann wrote: > > > Is there any way to limit the number of pending NFS requests that the > system will accept? Allowing 270,000 strikes me as kind of absurd. I swear I've seen someone try to address this before. Maybe it's from my Nexenta days. I wil

Re: [OmniOS-discuss] OmniOS NFS fileserver hanging under sustained high write loads

2015-05-04 Thread Doug Hughes
Yes, absolutely. We've run into this same problem, exactly as you describe, in Solaris10 (all versions) You can catch it with a kernel dump, but you have to be wary and quick. keep a vmstat 3 open (or similar), and when free mem drops below 5GB or so, be ready. As soon you start seeing PO or DE

[OmniOS-discuss] OmniOS NFS fileserver hanging under sustained high write loads

2015-05-04 Thread Chris Siebenmann
We now have a reproducable setup with OmniOS r151014 where an OmniOS NFS fileserver will experience memory exhaustion and then hang in the kernel if it receives sustained NFS write traffic from multiple clients at a rate faster than its local disks can sustain. The machine will run okay for a whil

Re: [OmniOS-discuss] OmniOS 151012 latest 17.04.2015 updates and uname

2015-05-04 Thread Davide Poletto
Yeah, me too now! Thanks Dan. On Mon, May 4, 2015 at 7:43 PM, Dan McDonald wrote: > >> On May 4, 2015, at 1:10 PM, Davide Poletto wrote: >> >> Just to say I've noticed that uname -v reports "illumos-omnios" on a >> OmniOS 151012 which was "omnios-10b9c79" after I updated it today >> (packages re

Re: [OmniOS-discuss] OmniOS 151012 latest 17.04.2015 updates and uname

2015-05-04 Thread Dan McDonald
> On May 4, 2015, at 1:10 PM, Davide Poletto wrote: > > Just to say I've noticed that uname -v reports "illumos-omnios" on a > OmniOS 151012 which was "omnios-10b9c79" after I updated it today > (packages released on 17.04.2015 at official repository): > > OmniOS 5.11 omnios-10b9c79 Septem

[OmniOS-discuss] OmniOS 151012 latest 17.04.2015 updates and uname

2015-05-04 Thread Davide Poletto
Just to say I've noticed that uname -v reports "illumos-omnios" on a OmniOS 151012 which was "omnios-10b9c79" after I updated it today (packages released on 17.04.2015 at official repository): OmniOS 5.11 omnios-10b9c79 September 2014 root@nas:/root# OmniOS 5.11 illumos-omnios April 201