Server User Manual

TCP Tuning
4-2 Oracle HTTP Server powered by Apache Performance Guide
TCP Tuning
Correctly tuned TCP parameters can improve performance dramatically. This
section contains recommendations for TCP tuning and a brief explanation of each
parameter.
The table below contains recommended TCP parameter settings.
Table 4–1 Recommended TCP parameter settings for Intel Solaris
Parameter Setting Comments
tcp_conn_hash_size
32768
See "Increasing TCP
Connection Table Access
Speed" on page 4-6.
tcp_close_wait_interval 60000
Parameter name in Solaris 2.6.
See "Specifying Retention time
for Connection Table entries"
on page 4-7.
tcp_time_wait_interval 60000
Parameter name in Solaris 2.7.
See "Specifying Retention time
for Connection Table entries"
on page 4-7.
tcp_conn_req_max_q 1024
See "Increasing the Handshake
Queue Length" on page 4-7.
tcp_conn_req_max_q0 1024
See "Increasing the Handshake
Queue Length" on page 4-7.
tcp_slow_start_initial 2
See "Changing the Data
Transmission Rate" on
page 4-8.
tcp_xmit_hiwat 32768
See "Changing the Data
Transfer Window Size" on
page 4-8.
tcp_recv_hiwat 32768
See "Changing the Data
Transfer Window Size" on
page 4-8.