http://www.ingrid.org/java/jserv/performance/

src/include/httpd.h => HARD_SERVER_LIMIT KeepAlive MaxKeepAliveRequests KeepAliveTimeout MinSpareServers MaxSpareServers StartServers MaxClients MaxRequestsPerchild ListenBacklog

env CFLAGS="-DHARD_SERVER_LIMIT=512" ./configure これをやらないとMaxClientsの数字を大きくしても駄目。結局、バランスなんだろうけど。

http://www-6.ibm.com/jp/software/websphere/developer/performance/v5/pdf/3.pdf