Re: [zfs-discuss] ZFS ARC cache issue

2010-06-07 Thread Nicolas Dorfsman
When I looked for references on ARC freeing algo, I did find some lines of codes talking about freeing ARC when memory is under pressure. Nice...but what could be memory under pressure in the kernel syntax ? Jumping from C lines to blogs to docsI went back

Re: [zfs-discuss] ZFS ARC cache issue

2010-06-03 Thread Bob Friesenhahn
On Thu, 3 Jun 2010, Garrett D'Amore wrote: On Thu, 2010-06-03 at 11:36 -0700, Ketan wrote: Thanx Rick .. but this guide does not offer any method to reduce the ARC cache size on the fly without rebooting the system. And the system's memory utilization is running very high since 2 weeks now an

Re: [zfs-discuss] ZFS ARC cache issue

2010-06-03 Thread Brandon High
On Thu, Jun 3, 2010 at 1:06 PM, Ketan wrote: > So you want me to run this on production global zone running 3 other > production applications .. :-) It's probably lower impact than a reboot... -B -- Brandon High : bh...@freaks.com ___ zfs-discuss ma

Re: [zfs-discuss] ZFS ARC cache issue

2010-06-03 Thread Ketan
So you want me to run this on production global zone running 3 other production applications .. :-) -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-dis

Re: [zfs-discuss] ZFS ARC cache issue

2010-06-03 Thread Garrett D'Amore
On Thu, 2010-06-03 at 11:36 -0700, Ketan wrote: > Thanx Rick .. but this guide does not offer any method to reduce the ARC > cache size on the fly without rebooting the system. And the system's memory > utilization is running very high since 2 weeks now and just 5G of memory is > free. And the

Re: [zfs-discuss] ZFS ARC cache issue

2010-06-03 Thread Ketan
Thanx Rick .. but this guide does not offer any method to reduce the ARC cache size on the fly without rebooting the system. And the system's memory utilization is running very high since 2 weeks now and just 5G of memory is free. And the arc cache is showing 40G of usage. and its not decreasin

Re: [zfs-discuss] ZFS ARC cache issue

2010-06-03 Thread Richard Elling
On Jun 3, 2010, at 10:33 AM, Ketan wrote: > We are having a server running zfs root with 64G RAM and the system has 3 > zones running oracle fusion app and zfs cache is using 40G memory as per > > kstat zfs:0:arcstats:size. and system shows only 5G of memory is free rest is > taken by kernel an

[zfs-discuss] ZFS ARC cache issue

2010-06-03 Thread Ketan
We are having a server running zfs root with 64G RAM and the system has 3 zones running oracle fusion app and zfs cache is using 40G memory as per kstat zfs:0:arcstats:size. and system shows only 5G of memory is free rest is taken by kernel and 2 remaining zones. Now my problem is that fusion