Re: [zfs-discuss] ZFS slows down over a couple of days

2011-01-13 Thread Stephan Budach
Hi all, thanks a lot for your suggestions. I have checked all of them and neither the network itself nor any other check indicated any problem. Alas, I think I know what is going on… ehh… my current zpool has two vdevs that are actually not even sized, as shown by zpool iostat -v: zpool ios

Re: [zfs-discuss] ZFS slows down over a couple of days

2011-01-12 Thread Marion Hakanson
Stephan, The "vmstat" shows you are not actually short of memory; The "pi" and "po" columns are zero, so the system is not having to do any paging, and it seems unlike the system is slow directly because of RAM shortage. With the ARC, it's not unusual for vmstat to show little free memory, but t

Re: [zfs-discuss] ZFS slows down over a couple of days

2011-01-12 Thread Stephan Budach
Am 12.01.11 18:49, schrieb SR: You may need to adjust zfs_arc_max in /etc/system to avoid memory contention http://www.thezonemanager.com/2009/03/filesystem-cache-optimization.htm Suresh I though I had that done through this in /etc/system: set zfs:zfs_arc_max = 17179869184 I do also think

Re: [zfs-discuss] ZFS slows down over a couple of days

2011-01-12 Thread SR
You may need to adjust zfs_arc_max in /etc/system to avoid memory contention http://www.thezonemanager.com/2009/03/filesystem-cache-optimization.htm Suresh -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolari

Re: [zfs-discuss] ZFS slows down over a couple of days

2011-01-12 Thread Stephan Budach
Am 12.01.11 16:32, schrieb Jeff Savit: Stephan, There are a bunch of tools you can use, mostly provided with Solaris 11 Express, plus arcstat, arc_summary that are available as downloads. The latter tools will tell you the size and state of ARC, which may be specific to your issues since you

Re: [zfs-discuss] ZFS slows down over a couple of days

2011-01-12 Thread Jeff Savit
Stephan, There are a bunch of tools you can use, mostly provided with Solaris 11 Express, plus arcstat, arc_summary that are available as downloads. The latter tools will tell you the size and state of ARC, which may be specific to your issues since you cite memory. For the list, could you

[zfs-discuss] ZFS slows down over a couple of days

2011-01-12 Thread Stephan Budach
Hi all, I have exchanged my Dell R610 in favor of a Sun Fire 4170 M2 which has 32 GB RAM installed. I am running Sol11Expr on this host and I use it to primarily serve Netatalk AFP shares. From day one, I have noticed that the amount of free RAM decereased and along with that decrease the ov