Sun ONE Web Server (formerly iPlanet)

The default configuration of the Sun ONE Web server, Enterprise Edition provides a single-process, multi-threaded server.

 

Active Threads

This value specifies the current number of threads active in the server. After the server reaches the limit set with this parameter, the server stops servicing new connections until it finishes old connections. Thus, if this setting is too low, the server can become throttled, resulting in degraded response times.

To tell if the Web server is being throttled, consult its perfdump statistics. Look at the following data: WaitingThreads count: If the WaitingThreads count is getting close to zero, or is zero, the server is not accepting new connections. BusyThreads count: If the WaitingThreads count is close to zero, or is zero, BusyThreads is probably very close to its limit. ActiveThreads count: If the ActiveThreads count is close to its limit, the server is probably limiting itself.

Use the Maximum number of simultaneous requests parameter in the Enterprise Server Manager interface to control the number of active threads within Sun ONE Web server, Enterprise Edition. This setting corresponds to the RqThrottle parameter in the magnus.conf file.

The default value is 512. It is recommended that you increase the thread count until the active threads parameters show optimum behavior.

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