db2sysc consume a lot of memory

[kayak]

Hi !

I have an instance that is consume a lot of memory. The OS is Solaris
and the result of running the command top is :

load averages: 0.28, 0.27, 0.30
19:36:42
363 processes: 361 sleeping, 2 on cpu
CPU states: 85.8% idle, 12.8% user, 1.3% kernel, 0.2% iowait, 0.0%
swap
Memory: 16G real, 248M free, 30G swap in use, 14G swap free

PID USERNAME LWP PRI NICE SIZE RES STATE TIME CPU COMMAND
18247 db2qas 1 0 2 590M 536M sleep 0:56 3.98% db2sysc
18199 qasadm 1 36 2 5657M 220M cpu/19 5:58 1.10% disp+work
3509 patrol 1 4 10 21M 13M sleep 279:22 0.15%
PatrolAgent
15317 desadm 1 59 0 8856K 4016K sleep 1:08 0.10% saposcol
15488 desadm 1 59 0 5532M 301M sleep 2:14 0.10% disp+work
28710 db2des 1 59 0 3184K 1960K cpu/1 0:00 0.04% top
15505 db2des 1 59 0 12G 12G sleep 0:24 0.01% db2sysc
15487 desadm 1 59 0 5522M 313M sleep 2:33 0.01% disp+work
521 root 13 59 0 7616K 1336K sleep 12:17 0.00% picld
1243 root 7 59 0 2648K 952K sleep 7:16 0.00% mibiisa
15496 desadm 1 59 0 5518M 159M sleep 0:24 0.00% disp+work
15497 desadm 1 59 0 5529M 150M sleep 0:04 0.00% disp+work
16579 root 1 59 0 4656K 2392K sleep 0:02 0.00% sshd
706 root 59 59 0 3568K 1008K sleep 8:37 0.00% nscd
18659 root 1 59 0 7176K 792K sleep 7:14 0.00% db2fmcd
My problem is that the process db2sysc has a size of 12G
Somebody knows how can i resolve?
THANKS