hi,
i'm having problems to convince java (1.3.1) to allocate more
than 1.9gb of memory on 2.4.2-ac2 (SMP/6gb phys mem) or more
than 1.1gb on 2.2.18 (SMP/2gb phys mem)...
modifing /proc/sys/vm parameters didn't help either... the fact
that i can allocate more memory under 2.4 than under 2.2 lets
me hope that there is some possible kernel/vm tweaking that
would increase those limits...
any pointers would be greatly appreciated!
cheers,
-firenza
PS:
strace snippet of "java -Xmx2g" on the 2.4 system
brk(0x8057000) = 0x8057000
old_mmap(NULL, 163840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x43691000
old_mmap(NULL, 2181038080, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = -1 ENOMEM
strace snippet of "java -Xmx1500m" on the 2.2 system
old_mmap(0x2e082000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2e082000
old_mmap(NULL, 163840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2e102000
old_mmap(NULL, 1606418432, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = -1 ENOMEM
-
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