1) Check kernel parameter (below listed is minimum):
$ /usr/sbin/kmtune [-l] [[-q name]...]
max_thread_proc 4096 - 4096
maxfiles 4096 - 4096
maxfiles_lim 8192 - 8192
nfile 124898 - (15*NPROC+2048)
maxusers 512 - 512
nkthread 8192 - (2*MAX_THREAD_PROC)
nproc 8192 - 8192
ncallout 8208 - (NKTHREAD+16)
/usr/sbin/kmtune -q max_thread_proc -q maxfiles -q maxfiles_lim -q nfile -q maxusers -q nkthread -q nproc -q ncallout
2) Check OS patch
http://h18012.www1.hp.com/java/patches/index.html
3) Check ndd settings
/etc/rc.config.d/nddconf
TRANSPORT_NAME[0]=tcp
NDD_NAME[0]=tcp_time_wait_interval
NDD_VALUE[0]=10000
TRANSPORT_NAME[1]=tcp
NDD_NAME[1]=tcp_fin_wait_2_timeout
NDD_VALUE[1]=10000
TRANSPORT_NAME[2]=tcp
NDD_NAME[2]=tcp_keepalive_detached_interval
NDD_VALUE[2]=10000
TRANSPORT_NAME[3]=tcp
NDD_NAME[3]=tcp_keepalive_interval
NDD_VALUE[3]=10000
Tuesday, April 15, 2008
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