Re: [zfs-discuss] tuning zfs_arc_min

2011-10-12 Thread Frank Van Damme
Op 12-10-11 02:27, Richard Elling schreef: On Oct 11, 2011, at 2:03 PM, Frank Van Damme wrote: Honestly? I don't remember. might be a leftover setting from a year ago. by now, I figured out I need to update the boot archive in order for the new setting to have effect at boot time which

Re: [zfs-discuss] tuning zfs_arc_min

2011-10-11 Thread Richard Elling
On Oct 6, 2011, at 5:19 AM, Frank Van Damme frank.vanda...@gmail.com wrote: Hello, quick and stupid question: I'm breaking my head over how to tunz zfs_arc_min on a running system. There must be some magic word to pipe into mdb -kw but I forgot it. I tried /etc/system but it's still at the

Re: [zfs-discuss] tuning zfs_arc_min

2011-10-11 Thread Frank Van Damme
2011/10/11 Richard Elling richard.ell...@gmail.com: ZFS Tunables (/etc/system):         set zfs:zfs_arc_min = 0x20         set zfs:zfs_arc_meta_limit=0x1 It is not uncommon to tune arc meta limit. But I've not seen a case where tuning arc min is justified, especially for a

Re: [zfs-discuss] tuning zfs_arc_min

2011-10-11 Thread Richard Elling
On Oct 11, 2011, at 2:03 PM, Frank Van Damme wrote: 2011/10/11 Richard Elling richard.ell...@gmail.com: ZFS Tunables (/etc/system): set zfs:zfs_arc_min = 0x20 set zfs:zfs_arc_meta_limit=0x1 It is not uncommon to tune arc meta limit. But I've not seen a case

Re: [zfs-discuss] tuning zfs_arc_min

2011-10-10 Thread James Litchfield
The value of zfs_arc_min specified in /etc/system must be over 64MB (0x400). Otherwise the setting is ignored. The value is in bytes not pages. Jim --- n 10/ 6/11 05:19 AM, Frank Van Damme wrote: Hello, quick and stupid question: I'm breaking my head over how to tunz zfs_arc_min on a

Re: [zfs-discuss] tuning zfs_arc_min

2011-10-10 Thread Frank Van Damme
2011/10/8 James Litchfield jim.litchfi...@oracle.com: The value of zfs_arc_min specified in /etc/system must be over 64MB (0x400). Otherwise the setting is ignored. The value is in bytes not pages. wel I've now set it to 0x800 and it stubbornly stays at 2048 MB... -- Frank Van

[zfs-discuss] tuning zfs_arc_min

2011-10-06 Thread Frank Van Damme
Hello, quick and stupid question: I'm breaking my head over how to tunz zfs_arc_min on a running system. There must be some magic word to pipe into mdb -kw but I forgot it. I tried /etc/system but it's still at the old value after reboot: ZFS Tunables (/etc/system): set zfs:zfs_arc_min