0 Replies Latest reply: Nov 24, 2009 8:15 AM by 807567 RSS

    Kernel Memory - LDOM

    807567
      Hi,

      I've assigned 32GB of memory to 1 of the guest domain. However, the kernel memory took up like 23GB. Is there any reason why does the kernel requires so much memory ? Pls kindly advice.

      bash-3.00# mdb -k
      Loading modules: [ unix genunix specfs dtrace ufs ldc ip hook neti sctp arp
      usba fcp fctl nca lofs zfs random nfs crypto ipc ptm logindmux md sppp cpc
      fcip ]
      ::memstat
      Page Summary Pages MB %Tot
      ------------ ---------------- ---------------- ----
      Kernel 2967548 23183 74%
      Anon 28786 224 1%
      Exec and libs 7370 57 0%
      Page cache 73632 575 2%
      Free (cachelist) 409657 3200 10%
      Free (freelist) 502044 3922 13%

      Total 3989037 31164
      Physical 3958577 30926
      >
      ::quit
      top
      last pid: 6656; load avg: 1.21, 0.66, 0.41; up 19+22:50:43
      12:25:19
      74 processes: 72 sleeping, 2 on cpu
      CPU states: 96.2% idle, 2.9% user, 0.9% kernel, 0.0% iowait, 0.0% swap
      Memory: 31G phys mem, 4817M free mem, 10G total swap, 10G free swap

      PID USERNAME LWP PRI NICE SIZE RES STATE TIME CPU COMMAND
      6522 oracle 11 0 0 1920M 1655M cpu/22 2:02 2.81% oracle
      6521 oracle 1 22 0 29M 25M sleep 1:27 0.62% exp
      6656 root 1 50 0 3464K 2400K cpu/19 0:00 0.05% top
      5966 oracle 1 49 0 7432K 6136K sleep 0:01 0.02% sshd
      6138 oracle 11 59 0 1915M 1649M sleep 0:00 0.01% oracle
      24585 oracle 12 29 10 162M 78M sleep 72:30 0.01% java
      837 noaccess 18 59 0 178M 96M sleep 31:11 0.00% java
      6146 oracle 1 59 0 1915M 1649M sleep 0:12 0.00% oracle
      6148 oracle 1 59 0 1913M 1647M sleep 0:01 0.00% oracle
      7 root 13 59 0 20M 10M sleep 0:33 0.00% svc.startd
      6128 oracle 11 59 0 1920M 1653M sleep 0:00 0.00% oracle
      6134 oracle 11 59 0 1918M 1652M sleep 0:00 0.00% oracle
      6132 oracle 11 59 0 1918M 1652M sleep 0:00 0.00% oracle
      6130 oracle 11 59 0 1918M 1652M sleep 0:00 0.00% oracle
      6136 oracle 11 59 0 1926M 1650M sleep 0:00 0.00% oracle