How to know the number of sockets opened by an Apache running in Prefork mode integrated with SiteMinder webagent ?

Products

• CA Single Sign On Secure Proxy Server (SiteMinder)
• CA Single Sign On SOA Security Manager (SiteMinder)
• CA Single Sign-On

Issue/Introduction

Description:

This is useful for capacity planning purpose to know the number of open sockets of Apache configured with siteminder webagent.

Depending on the running mode of the Apache Webagent server (worker/prefork) the calculation will be different. Apache running in Prefork mode is multi-process / single-thread as compare to Apache in worker process mode which is multi-process / multi-thread.

Environment

Release:
Component: SMAPC

Resolution

Solution:

In Prefork , you can set maxsocketsperport =1 and minsocketsperport = 1.

Note : As each process uses only a single thread to communicate with the SiteMinder Policy Server, only one socket is required.

Implementation Guide : Performance Tuning : Web Tier Performance : Web Agent Performance : Increase the Amount of Available Sockets for the Agent

https://techdocs.broadcom.com/us/en/symantec-security-software/identity-security/siteminder/12-8/implementing/implementing-siteminder/performance-tuning/web-tier-performance.html#concept.dita_992d53e66666db93a93479f823f1f5390bc33787_WebServersWebAgentsandWebServerProcesses

To know the number of apache socket can be calculated using the following method.

maxprocess x minsocketperport x number of port = max sockets