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07-21-2011 07:42 AM
07-21-2011 07:42 AM
Oracle Fusion Middleware, each connected client takes lots of swap-memory on server
We are migrating Oracle Forms 6 to Oracle Forms 11.
Installed this on two new BL860 (in HA-SG Environment)
Now we are facing a problem: each webclient which connects to the weblogic server takes about 1G of virtual memory of the Server. So with 70Gb swap configured on Server, only 70 clients can connect.
In Detail, the Clients get the following error message:
FRM-93652.
In EnterpriseManager (Logs) : Could not reserve enough space for object heap.
So my question is,: How many virtual memory does a frmweb-process reserve at startup (ok, seems to be 1GB) . How can this value be changed ?
I have already an SR open with oracle, but to me it seems, that they do not understand my Problem, or do not have any Idea to solve it. This is a production system and I cannot restart the complete thing to experiment with parameters and values three times a day.
Did anyone here have similar problems ?
here some outputs:
Jul 18 08:16:33 f699h051 vmunix: Pid 11065 was killed due to failure in writing the signal context - possible stack overflow.
Jul 18 08:16:33 f699h051 vmunix: Deferred swap reservation failure pid: 11065
Jul 18 08:17:00 f699h051 above message repeats 2 times
Jul 18 08:17:25 f699h051 vmunix: Deferred swap reservation failure pid: 12296
Jul 18 08:17:50 f699h051 vmunix: Deferred swap reservation failure pid: 12895
Jul 18 08:18:37 f699h051 vmunix: Deferred swap reservation failure pid: 13979
Jul 18 08:18:37 f699h051 vmunix: Pid 13979 was killed due to failure in writing the signal context - possible stack overflow.
Jul 18 08:18:37 f699h051 vmunix: Deferred swap reservation failure pid: 13994
Jul 18 08:18:37 f699h051 vmunix: Deferred swap reservation failure pid: 13979
Jul 18 08:18:39 f699h051 above message repeats 2 times
Jul 18 08:18:41 f699h051 vmunix: Deferred swap reservation failure pid: 14033
Jul 18 08:18:57 f699h051 vmunix: Deferred swap reservation failure pid: 14169
Jul 18 08:22:49 f699h051 syslog: Java out of memory messages are marked with pid:6004 in /var/adm/syslog/syslog.log.
Jul 18 08:22:49 f699h051 syslog: pid: 6004 4Kb 4Kb 4Kb PCT START/ 4Kb DEV NO./
Jul 18 08:22:49 f699h051 syslog: pid: 6004 TYPE AVAIL USED FREE USED LIMIT RESERVE PRI FILE NAME
Jul 18 08:22:49 f699h051 syslog: pid: 6004 dev 16646144 32 16646112 0.00% 0 - 1 64 (major) 2 (mino
r)
Jul 18 08:22:49 f699h051 syslog: pid: 6004 reserve - 16646064 -16646064
Jul 18 08:22:49 f699h051 syslog: pid: 6004 memory 15931672 15903481 28191 99.82%
and:
/# swapinfo -tam
Mb Mb Mb PCT START/ Mb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 65024 0 65024 0% 0 - 1 /dev/vg00/lvol2
dev 7808 0 7808 0% 0 - 1 /dev/vg00/lvol10
reserve - 70251 -70251
memory 62233 46259 15974 74%
total 135065 116510 18555 86% - 0 -
If we face the problem, it says "memory used 100%"
And one thing is, I do not want to add tons of GB of swapspace for some simple web-clients ... I simply have no Idea what to do ...
Thanks in advance,
Christian
Hewlett Packard Enterprise International
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