[zfs-discuss] ZFS Storage system with 72 GB memory constantly has 11 GB free memory

2010-02-26 Thread Ronny Egner
Dear All, our storage system running opensolaris b133 + ZFS has a lot of memory for caching. 72 GB total. While testing we observed free memory never falls below 11 GB. Even if we create a ram disk free memory drops below 11 GB but will be 11 GB shortly after (i assume ARC cache is shrunken in

Re: [zfs-discuss] ZFS Storage system with 72 GB memory constantly has 11 GB free memory

2010-02-26 Thread Ronny Egner
Hi, please find below the requested information: r...@openstorage:~# mdb -k Loading modules: [ unix genunix specfs dtrace mac cpu.generic uppc pcplusmp rootnex scsi_vhci zfs sockfs ip hook neti sctp arp usba uhci fctl stmf md lofs idm random mpt sd nfs crypto fcp fcip cpc smbsrv ufs logindmux p

Re: [zfs-discuss] ZFS Storage system with 72 GB memory constantly has 11 GB free memory

2010-02-26 Thread Ronny Egner
Hi Richard, r...@openstorage:~# echo "swapfs_minfree/D" | mdb -k swapfs_minfree: swapfs_minfree: 2358757 2358757 pages * 4 KB = 9435028 Kb = 9.2 GB So there is my memory :-) If i read the documentation correctly this parameter has to be set in /etc/system? Ronny -- This message posted from