Tuning the Web Server

Overview

This section provides information on tuning the web server for more efficient operation within the operating environment.

As root, you can:

• Add these settings to the file containing the shell script in /etc/rc3.d for settings like these

• Create a new file for these settings in /etc/rc3.d

The shell script in this file should run before the shell script in file S42rp, which contains the script that starts the Java Web Server(TM).

TCP/IP Settings

The following TCP/IP settings have been identified as beneficial to servers running web servers.

ndd -set /dev/tcp tcp_close_wait_interval 45000
ndd -set /dev/tcp tcp_mss_max 6000
ndd -set /dev/tcp tcp_fin_wait_2_flush_interval 16000
ndd -set /dev/ip ip_path_mtu_discovery 0
ndd -set /dev/tcp tcp_conn_req_max_q 1024
ndd -set /dev/tcp tcp_conn_req_max_q0 1024
ndd -set /dev/tcp tcp_conn_req_min 1
ndd -set /dev/tcp tcp_xmit_hiwat 65535
ndd -set /dev/tcp tcp_recv_hiwat 65535 
ndd -set /dev/tcp tcp_cwnd_max 65534
ndd -set /dev/tcp tcp_keepalive_interval 90000
ndd -set /dev/tcp tcp_ip_abort_interval 60000
ndd -set /dev/tcp tcp_ip_abort_cinterval 60000
ndd -set /dev/tcp tcp_rexmit_interval_initial 3000
ndd -set /dev/tcp tcp_rexmit_interval_min 3000
ndd -set /dev/tcp tcp_rexmit_interval_max 10000
ndd -set /dev/tcp tcp_conn_grace_period 500 
ndd -set /dev/ip ip_ignore_redirect 1
ndd -set /dev/tcp tcp_slow_start_initial 2