shibd Memory Usage

[Peter Schober]

* Andy Bennett <andyjpb at knodium.com> [2014-09-26 17:21]:
> We're running Shibboleth SP 2.4.3 on Debian.

Fyi, SWITCH provides current 3rd party packages until (if ever) 2.5
hits wheezy-backports.

> We tend to find that it likes to use a lot of RAM.

Reduce the stack size -- ulimit or see the documentation
(UnixListener/@stackSize) -- and turn off assertion caching (unless
you need to access the assertion itself), SessionCache/@cacheAssertions="false".
https://wiki.shibboleth.net/confluence/display/SHIB2/NativeSPUnixListener
https://wiki.shibboleth.net/confluence/display/SHIB2/NativeSPSessionCache

In a hurry today,
-peter