Originally posted by: SystemAdmin
Rather curious problem:
System:
RS/6000 Model = IBM,9110-51A
5300-05-00
4 GB memory
I seem to have "lost" approximately 400MB of memory within a period of 15 minutes.
I monitor my system with an svmon script that runs every 15 minutes
Here are the stats:
(Between 10:00 and 10:15)
1000
size inuse free pin virtual
memory 1003520 878493 125027 93931 719832
pg space 1769472 2008
work pers clnt
pin 93931 0 0
in use 719832 0 158661
PageSize PoolSize inuse pgsp pin virtual
s 4 KB - 854973 2008 80411 696312
m 64 KB - 1470 0 845 1470
196760 java 194739 7771 0 183660 N Y N
155758 java 194429 7776 0 182341 N Y N
221294 java 188127 7757 0 177252 N Y N
217198 java 76542 7746 0 65870 N Y N
127190 java 60059 7755 0 49418 N Y N
241782 xmwlm 18405 7683 0 18281 N N N
258176 rmcd 17395 7685 0 17020 N Y N
245888 IBM.CSMAgentR 17335 7696 0 17195 N Y N
282780 IBM.ERrmd 17273 7696 0 17142 N Y N
229500 IBM.AuditRMd 17185 7692 0 17068 N Y N
1015
size inuse free pin virtual
memory 1003520 963200 40320 175648 803552
pg space 1769472 2179
work pers clnt
pin 175648 0 0
in use 803508 0 159692
PageSize PoolSize inuse pgsp pin virtual
s 4 KB - 939072 2179 162016 779424
m 64 KB - 1508 0 852 1508
196760 java 195005 7771 0 183908 N Y N
155758 java 194678 7776 0 182590 N Y N
221294 java 188375 7757 0 177500 N Y N
217198 java 76790 7746 0 66118 N Y N
127190 java 60309 7755 0 49667 N Y N
241782 xmwlm 18656 7683 0 18529 N N N
258176 rmcd 17643 7685 0 17268 N Y N
245888 IBM.CSMAgentR 17583 7696 0 17443 N Y N
282780 IBM.ERrmd 17521 7696 0 17390 N Y N
229500 IBM.AuditRMd 17433 7692 0 17316 N Y N
Notice the difference in Free Pages (The memory was never returned)
(The java processes are WebSphere)
I looked at all the WebSphere logs and do not see any irregularities.
I also examined the system logs and can't find anything strange
Has anyone else seen something like this?
I also posted this in the WebSphere forum.
Thanks!
DaveZ