On 3/31/16 2:06 , Stefan wrote: > We have two identical machines (A and B) both equipped with 192 GiB RAM. > The first one runs 10 VMs using 16,000 MB RAM each plus two smaller VMs > with less than 3 GiB RAM: > > > [root@A ~]# echo ::memstat | mdb -k > Page Summary Pages MB %Tot > ------------ ---------------- ---------------- ---- > Kernel 3726258 14555 7% > Boot pages 68306 266 0% > ZFS File Data 2976930 11628 6% > Anon 41622277 162587 83% > Exec and libs 5473 21 0% > Page cache 22635 88 0% > Free (cachelist) 25908 101 0% > Free (freelist) 1879280 7340 4% > > Total 50327067 196590 > Physical 50327066 196590 > > [root@A ~]# mdb -ke 'availrmem/D ; pages_pp_maximum/D' > availrmem: > availrmem: 2350836 > pages_pp_maximum: > pages_pp_maximum: 1947905 > > There are 2,350,836 pages of 4,096 bytes available resident memory which > seems reasonable. However, on machine B we could create no more than > six VMs with 16,000 MB RAM before we get timeouts. Here are its figures: > > [root@B ~]# echo ::memstat | mdb -k > Page Summary Pages MB %Tot > ------------ ---------------- ---------------- ---- > Kernel 2532099 9891 5% > Boot pages 68306 266 0% > ZFS File Data 169799 663 0% > Anon 26373657 103022 52% > Exec and libs 4432 17 0% > Page cache 14865 58 0% > Free (cachelist) 13798 53 0% > Free (freelist) 21150107 82617 42% > > Total 50327063 196590 > Physical 50327062 196590 > > > [root@B ~]# mdb -ke 'availrmem/D ; pages_pp_maximum/D' > availrmem: > availrmem: 8122046 > pages_pp_maximum: > pages_pp_maximum: 1947905 > > On this machine vmadm create failed with > > timed out waiting for /var/svc/provisioning to move for $uuid > > A: joyent_20160218T022556Z > B: joyent_20160317T000621Z > > Any ideas?
What is the sizing of your sawp device? e.g. zfs list zone/swap Robert ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
