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java memory problem with redhat enterprise

java memory problem with redhat enterprise# Java - 爪哇娇娃

e*22007-01-03 08:01

1 楼

原贴太长，总结一下。
同样的程序，在三个机器上跑，用一样的JVM，有
一个机器老是内存溢出。出问题的机器操作系统是
redhat enterprise。我猜是JVM设置的问题。可是
不知如何下手。希望能有高人相助，感激不尽。
I have been running one java application on different platforms. The systems
are:
A. Dell Inspiron 600M, MS XP Service Pack 2, jre1.5.0_09, 1GB RAM
B. Dell Dimension 9100, Fedora Core 4, Linux version 2.6.17-1.2142_FC4smp (
b*******[email protected]) (gcc version 4.0.2 20051125 (Red Hat
4.0.2-8)), jdk1.5.0_06, 2GBRAM,
C. Dell PowerEdge, Linux version 2.6.9-42.0.3.ELsmp (b

g*g2007-01-03 08:01

2 楼

Run profiler on System C and see what's keeping increasing.

systems
Hat

【在 e******2 的大作中提到】

: 原贴太长，总结一下。
: 同样的程序，在三个机器上跑，用一样的JVM，有
: 一个机器老是内存溢出。出问题的机器操作系统是
: redhat enterprise。我猜是JVM设置的问题。可是
: 不知如何下手。希望能有高人相助，感激不尽。
: I have been running one java application on different platforms. The systems
: are:
: A. Dell Inspiron 600M, MS XP Service Pack 2, jre1.5.0_09, 1GB RAM
: B. Dell Dimension 9100, Fedora Core 4, Linux version 2.6.17-1.2142_FC4smp (
: b*******[email protected]) (gcc version 4.0.2 20051125 (Red Hat

B*h2007-01-03 08:01

3 楼

do as goodbug said... there is a very simple profiler included in the JDK, t
he jconsole. check out your JDK bin directory.

【在 g*****g 的大作中提到】

: Run profiler on System C and see what's keeping increasing.
:
: systems
: Hat

g*g2007-01-03 08:01

4 楼

I am not very good at Linux. But swap partition is usually setup
twice the size of the physical memory, check that too.

systems
Hat

【在 e******2 的大作中提到】

m*t2007-01-03 08:01

5 楼

First I would suggest, if possible, to bring C's kernel version up to the
same as B? Or bring B back down (temporarily) to the same as C's and see if
it happens in B.
Also try removing the -XX fine-tuning options.