Sun™ ONE Messaging Server: Practices and Techniques for Enterprise Customers

Solaris OE

This section covers the following topics:

• Setting TCP/IP Parameters

• Setting tcp_local_option and tcp_ internet_option File Parameters

• Setting /etc/system Parameters

• Setting configutil Parameters

▾ Setting TCP/IP Parameters

• Apply the following TCP/IP tuning settings to all mail servers. These settings may also be appropriate for LDAP servers. The values of these settings are for high-speed networks with lots of traffic to and from the servers.

  # ** Performance related **
  /usr/sbin/ndd -set /dev/tcp tcp_recv_hiwat 65536
  								/usr/sbin/ndd -set /dev/tcp tcp_xmit_hiwat 65536
  								/usr/sbin/ndd -set /dev/tcp tcp_conn_req_max_q 4096
  								/usr/sbin/ndd -set /dev/tcp tcp_conn_req_max_q0 8192
  								/usr/sbin/ndd -set /dev/tcp tcp_smallest_anon_port 8192
  								/usr/sbin/ndd ...