Tuning network performance on Solaris

This section applies only to Solaris installations, not to Linux installations.

The Guided Search installation includes a script that tunes the server’s network performance by changing the default time wait interval from 240,000 to 30,000 milliseconds. This change accelerates the rate at which the server re-uses ports when establishing TCP connections.

To determine if you need to run the tuning script, run the following command: 

netstat -an | grep TIME_WAIT | wc -l

If the resulting number is consistently greater than 5,000, apply the tuning script and wait 4 minutes. The number of connections in a time wait state will drain off and you should find that the 5,000+ number drops by at least a factor of two.

To run the tuning script:

  1. Change directories to the $ENDECA_MDEX_ROOT/bin directory.

  2. As root, type the following at the prompt: 

    ./tcp_time_wait_tune.sh

  3. Press Enter.

A message appears indicating that the tcp_time_wait_interval has been set to 30,000.

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