web LVS kernel using over 70% of 2g mem!

["Alex Joseph" <cax0cn@xxxxxxxxx>]

HI,all:
I'm running a LVS  over 5 caches, the director is redhat-9 with ipvsadm
v1.21 2004/02/23 (compiled with popt and IPVS v1.0.12) and the self-compiled
kernel is 2.4.30. in the passed 200+ days, it works fine, but this morning
the service has low response rate,
the mem usage are listed below,

/proc/slabinfo:
ip_vs_conn           198 3942360    128  196 131412    1 :  252  126

here is a similar topic:
http://archive.linuxvirtualserver.org/html/lvs-users/2005-05/msg00009.html,

but I havent got a clear answer, Is there anybody help me? thanks for any
relply!