Problem with lsws- server hangups

[linuxpl.com]

Hello
I have a seriously problem with lsws. I host only one site on it . i have also bought a lsws license. While having high traffic lsws tends to not serve new requests , it hangups , only restart helps.

my logs

Every 1s: cat /tmp/lshttpd/.rtreport Fri Sep 28 12:24:50 2007
VERSION: LiteSpeed Web Server/Enterprise/3.2.3
UPTIME: 00:00:23
BPS_IN: 73, BPS_OUT: 624, SSL_BPS_IN: 0, SSL_BPS_OUT: 0
MAXCONN: 2000, MAXSSL_CONN: 200, PLAINCONN: 365, AVAILCONN: 1635, IDLECONN: 351, SSLCONN: 0, AVAILSSL: 200
REQ_RATE []: REQ_PROCESSING: 14, REQ_PER_SEC: 155, TOT_REQS: 5689
REQ_RATE [tapety.poszkole.pl]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 0
REQ_RATE [gryonline.poszkole.pl]: REQ_PROCESSING: 1, REQ_PER_SEC: 17, TOT_REQS: 551
REQ_RATE [programy.poszkole.pl]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 0
REQ_RATE [gry.poszkole.pl]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 0
REQ_RATE [video.poszkole.pl]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 0
REQ_RATE [wildposzkole.pl]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 3
REQ_RATE [tapsy.pl]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 1
REQ_RATE [_AdminVHost]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 2
REQ_RATE [magiel.net]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 0
REQ_RATE [Example]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 0
REQ_RATE [filmiki.poszkole.pl]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 0
REQ_RATE [poszkole.pl]: REQ_PROCESSING: 13, REQ_PER_SEC: 138, TOT_REQS: 5132
REQ_RATE [filmy.poszkole.pl]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 0
REQ_RATE [pytam]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 0
REQ_RATE [teledyski.poszkole.pl]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 0
REQ_RATE [humor.poszkole.pl]: REQ_PROCESSING: 0, REQ_PER_SEC: 0, TOT_REQS: 0
EXTAPP [LSAPI] [] [phpLsapi]: CMAXCONN: 50, EMAXCONN: 50, POOL_SIZE: 20, INUSE_CONN: 1, IDLE_CONN: 19, WAITQUE_DEPTH: 0, REQ_
PER_SEC: 38, TOT_REQS: 1156
EOF

or EVEN MAXCONN: 2000, MAXSSL_CONN: 200, PLAINCONN: 1180, AVAILCONN: 820

are there any special settings on pages having many amount of served requests?
any suggestions how to optimalize it


Regards
Greg