Re: Another ZFS ARC memory question

2012-03-02 Thread Luke Marsden
On Fri, 2012-03-02 at 10:25 +0100, Alexander Leidinger wrote: > Quoting Slawa Olhovchenkov (from Thu, 1 Mar 2012 > 18:28:26 +0400): > > > On Tue, Feb 28, 2012 at 05:14:37AM +1100, Peter Jeremy wrote: > > > >> > * what is the community's advice for production machines running > >> >

Re: Another ZFS ARC memory question

2012-03-02 Thread Alexander Leidinger
Quoting Slawa Olhovchenkov (from Thu, 1 Mar 2012 18:28:26 +0400): On Tue, Feb 28, 2012 at 05:14:37AM +1100, Peter Jeremy wrote: > * what is the community's advice for production machines running >ZFS on FreeBSD, is manually limiting the ARC cache (to ensure >that there'

Re: Another ZFS ARC memory question

2012-03-01 Thread Slawa Olhovchenkov
On Tue, Feb 28, 2012 at 05:14:37AM +1100, Peter Jeremy wrote: > > * what is the community's advice for production machines running > >ZFS on FreeBSD, is manually limiting the ARC cache (to ensure > >that there's enough actually free memory to handle a spike in > >appli

Re: Another ZFS ARC memory question

2012-02-27 Thread Peter Jeremy
On 2012-Feb-24 11:06:52 +, Luke Marsden wrote: >We're running 8.2-RELEASE v15 in production on 24GB RAM amd64 machines >but have been having trouble with short spikes in application memory >usage resulting in huge amounts of swapping, bringing the whole machine >to its knees and crashing it h

Another ZFS ARC memory question

2012-02-24 Thread Luke Marsden
Hi all, Just wanted to get your opinion on best practices for ZFS. We're running 8.2-RELEASE v15 in production on 24GB RAM amd64 machines but have been having trouble with short spikes in application memory usage resulting in huge amounts of swapping, bringing the whole machine to its knees and c