JVM takes more RAM than defined in -Xmx param on solaris
Hi all,
We have a problem on production installation of our product on Solaris paltfroms: jvm takes more (much more) RAM than defined in -Xmx param and without any OutOfMemory exceptions. (how itt possible at all ?)
The only JNI call in application is SAP interface connector, but application uses a lot of Runtime.exec() calls.
Is it possible to have such kind of "leaks" in java using JNI or Runtime.exec()?
I will be very appreciate for any tip how to find the root of this problem and how we can fix it ?
//rv
system details:
COMMAND
-
nohup /system/jre/bin/java -XX:+DisableExplicitGC -XX:NewSize=80m -XX:MaxNewSize=80m -Xms256m -Xmx256m -cp /system/bin/application.jar: applicationstart >/sysem/bin/../log/jvm.log
JAVAVERSION
SRV12345/root # /system/jre/bin/java -fullversion
java full version "1.4.2_08-b03"
OS-VERSION
-
[root@SRV12345] /->uname -r
5.8
TASKS
--
[root@SRV12345] /->prstat
PID USERNAME SIZERSS STATE PRI NICETIME CPU PROCESS/NLWP
6415 root964M 913M sleep2910 20:33.12 0.3% java/128
Total: 75 processes, 310 lwps, load averages: 0.02, 0.04, 0.08
CPUS
--
root@SRV12345] /->psrinfo -v
Status of virtual processor 0 as of: 07/27/06 16:33:23
on-line since 05/22/06 11:40:25.
The sparcv9 processor operates at 1320 MHz,
and has a sparcv9 floating point processor.
Status of virtual processor 1 as of: 07/27/06 16:33:23
on-line since 05/22/06 11:40:26.
The sparcv9 processor operates at 1320 MHz,
and has a sparcv9 floating point processor.
HARDWARE
--
[root@SRV12345] /->prtconf
System Configuration: Sun Microsystems sun4us
Memory size: 4096 Megabytes
System Peripherals (Software Nodes):
MEMORY USAGE - PROCESS
[root@SRV12345] /->pmap -x 6415
6415:/oms/OMSSpooler/system/jre/bin/java -XX:+DisableExplicitGC -XX:NewSize
AddressKbytes Resident Shared Private PermissionsMapped File
00010000727272- read/exec java
000300001616-16 read/write/execjava
00034000 636528 636456 61811218344 read/write/exec[ heap ]
DA77A00088-8 read/write/exec[ anon ]
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E2B7A00032321616 read/write/exec[ anon ]
E2C000004408688688- read/exec librfccm.so
E305C000258466462440 read/write/execlibrfccm.so
E32E20006883203128 read/write/execlibrfccm.so
E34000002072120120- read/exec libsapjcorfc.so
E3614000242424- read/write/execlibsapjcorfc.so
E36FA0003232824 read/write/exec[ anon ]
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E45F80004040328 read/write/exec[ anon ]
E46FA00088-8 read/write/exec[ anon ]
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E51800005842424- read/shareddev:85,6 ino:2604127
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E53800005041616- read/shareddev:85,6 ino:2604133
E548000017764040- read/shareddev:85,6 ino:2604140
E568000011205656- read/shareddev:85,6 ino:2604138
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F990000075288- read/shareddev:85,6 ino:899745
F9A8000088-8 read/write/exec[ anon ]
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F9C00000928089448760184 read/write/exec[ anon ]
FBC50000888- read/shareddev:85,6 ino:2414079
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FBC800004403232- read/shareddev:85,6 ino:2604129
FBD8000088-8 read/write/exec[ anon ]
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FBDD00001761616- read/shareddev:85,6 ino:2604126
FBE8000088-8 read/write/exec[ anon ]
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FBEC000021688- read/shareddev:85,6 ino:2604125
FBF7A0003232248 read/write/exec[ anon ]
FBF9000041688- read/shareddev:85,6 ino:2604128
FC000000569688- read/shareddev:85,6 ino:1450986
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FC67A0003232248 read/write/exec[ anon ]
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FE4100005656488 read/write/execlibjvm.so
FE430000323232- read/shareddev:85,6 ino:2604137
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FE550000401616- read/shareddev:85,6 ino:2604139
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FE7B000088-8 read/write/exec[ anon ]
FE7C0000136136136- read/exec libjava.so
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FF020000888888- read/exec libverify.so
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FF050000161616- read/shareddev:85,6 ino:899743
FF060000404040- read/exec libhpi.so
FF07A000888- read/write/execlibhpi.so
FF07C0008--- read/write/execlibhpi.so
FF090000161616- read/exec libmp.so.2
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FF0B0000224104104- read/exec libm.so.1
FF0F6000888- read/write/execlibm.so.1
FF100000576576576- read/exec libnsl.so.1
FF1900004040328 read/write/execlibnsl.so.1
FF19A000241616- read/write/execlibnsl.so.1
FF1B0000888- read/exec libsched.so.1
FF1C2000888- read/write/execlibsched.so.1
FF1D000088-8 read/write/exec[ anon ]
FF1E0000404040- read/exec libsocket.so.1
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FF2D0000484848- read/exec libCrun.so.1
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FF2EC0001688- read/write/execlibCrun.so.1
FF300000161616- read/write/shared dev:0,2 ino:7595433
FF314000888- read/write/exec[ anon ]
FF320000888- read/write/exec/shared[ anon ]
FF33000088-8 read/write/exec[ anon ]
FF34000088-8 read/write/execlibdl.so.1
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FF37E0004848-48 read/write/execlibthread.so.1
FF390000888- read/exec libc_psr.so.1
FF3A0000184184184- read/exec ld.so.1
FF3DE00088-8 read/write/execld.so.1
FF3E000088-8 read/write/execld.so.1
FFB7000024--- -[ anon ]
FFBD6000104104968 read/write/exec[ stack ]
--
total Kb 986752 936008 90562430384
