Re: 8-STABLE and swap

2011-05-11 Thread Jeremy Chadwick
On Wed, May 11, 2011 at 12:58:50PM +0200, Robert Schulze wrote: > We are running 8-STABLE (csupped at 20110504) on a NFS fileserver. > It has 32 GB RAM and uses ZFS: > > homeONLINE 0 0 0 > raidz2ONLINE 0 0 0 > da1 ONLINE 0 0

Re: 8-STABLE and swap

2011-05-11 Thread Robert Schulze
Hi, Am 11.05.2011 13:55, schrieb Reko Turja: Of course, once the situation with memory load is over, swap will still continue to show the max amount swapped ever, even if everything is again back in real memory. the swap increases almost linearly at about 1 MB/hour. with kind regards, Robert

Re: 8-STABLE and swap

2011-05-11 Thread Reko Turja
My question now: why does the machine swap, is this normal behaviour? Why is wired at about 30 GB if ARC=23 GB and L2ARC-header=259 MB? If I've understood it right from the mailing lists, ZFS returns memory back to the OS from caches somewhat lazily, so in times of high memory load ZFS system

8-STABLE and swap

2011-05-11 Thread Robert Schulze
We are running 8-STABLE (csupped at 20110504) on a NFS fileserver. It has 32 GB RAM and uses ZFS: homeONLINE 0 0 0 raidz2ONLINE 0 0 0 da1 ONLINE 0 0 0 da2 ONLINE 0 0 0 da3