Re: [zfs-discuss] bigger zfs arc

2009-10-04 Thread Chris Banal
On Sat, Oct 3, 2009 at 11:33 AM, Richard Elling richard.ell...@gmail.comwrote: On Oct 3, 2009, at 10:26 AM, Chris Banal wrote: On Fri, Oct 2, 2009 at 10:57 PM, Richard Elling richard.ell...@gmail.com wrote: c is the current size the ARC. c will change dynamically, as memory pressure and

Re: [zfs-discuss] bigger zfs arc

2009-10-03 Thread Richard Elling
On Oct 3, 2009, at 10:26 AM, Chris Banal wrote: On Fri, Oct 2, 2009 at 10:57 PM, Richard Elling richard.ell...@gmail.com wrote: c is the current size the ARC. c will change dynamically, as memory pressure and demand change. How is the relative greediness of c determined? Is there a way

Re: [zfs-discuss] bigger zfs arc

2009-10-03 Thread Chris Banal
On Fri, Oct 2, 2009 at 10:57 PM, Richard Elling richard.ell...@gmail.comwrote: c is the current size the ARC. c will change dynamically, as memory pressure and demand change. How is the relative greediness of c determined? Is there a way to make it more greedy on systems with lots of free

Re: [zfs-discuss] bigger zfs arc

2009-10-02 Thread Rob Logan
zfs will use as much memory as is necessary but how is necessary calculated? using arc_summary.pl from http://www.cuddletech.com/blog/pivot/entry.php?id=979 my tiny system shows: Current Size: 4206 MB (arcsize) Target Size (Adaptive): 4207 MB (c) Min

Re: [zfs-discuss] bigger zfs arc

2009-10-02 Thread Mike Gerdts
On Fri, Oct 2, 2009 at 1:45 PM, Rob Logan r...@logan.com wrote: zfs will use as much memory as is necessary but how is necessary calculated? using arc_summary.pl from http://www.cuddletech.com/blog/pivot/entry.php?id=979 my tiny system shows:         Current Size:             4206 MB

Re: [zfs-discuss] bigger zfs arc

2009-10-02 Thread Richard Elling
On Oct 2, 2009, at 11:45 AM, Rob Logan wrote: zfs will use as much memory as is necessary but how is necessary calculated? using arc_summary.pl from http://www.cuddletech.com/blog/pivot/entry.php?id=979 my tiny system shows: Current Size: 4206 MB (arcsize) Target

[zfs-discuss] bigger zfs arc

2009-09-30 Thread Chris Banal
We have a production server which does nothing but nfs from zfs. This particular machine has plenty of free memory. Blogs and Documentation state that zfs will use as much memory as is necessary but how is necessary calculated? If the memory is free and unused would it not be beneficial to