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0 Replies Latest reply: Mar 31, 2009 2:28 AM by 843829 RSS

Srange restricment -Xms4g param on fedora10/64-bits with RAM 8g

843829 Newbie
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I have tought with the same problem:
I have run : java -d64 -Xms4g -Xmx8g ... -- and my program will fail with OutOfMemory than memory became more than 4G. But free memore is more than 3G.
I use linux fedora 10 (64-bits system, RAM 8G), jdk_6u12_linux_x64.bin (download from

And i can't run program with java -d64 -Xms5g -Xmx8g. All values of -Xms more than 4G are incorrect. Values of -Xmx every ok, but don't work.
But i can run : java -d64 -Xms8g -version -- It work until Xms less than 8G, and on -Xms9g it will fail.
What is it may be?

ulimit -a :
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 73216
max locked memory (kbytes, -l) 32
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 1024
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited

Thanks in advance.