SP3 / shibd swap usage on RHEL9

[Rod Widdowson]

> I'm new to Shibboleth, and am currently configuring a couple of service providers on a test VM running RHEL9.
> After the shibd service is started, it starts consuming swap space. After 15h it's grabbed 2.4G of swap.
> There are no requests going via the SP at the moment; the VM has spare memory.

The most likely cause would be the use of metadata aggregates - If that is the case then its like you are holding all the
information about everybody in memory all the time.  If this is the case then you should probably look at using an MDQ feed [1].

Rod


[1] https://www.ukfederation.org.uk/content/Documents/MDQ#config-sp