Is there a limit to the number of hosts the community edition of Hyperic HQ can monitor? I'm running the community edition monitoring 100 hosts, and just about every Monday morning I have to restart the Hyperic service because the web page is down. I get a "page cannot be displayed" message when trying to access it. The server also doesn't appear to be writing anything (except normal scheduled tasks) to the server.log or server.out.
The process also doesn't appear to be doing anything when I try to access the web page:
You might be running out of memory (although I would think that you would see that in the logs somewhere). Try looking through the Hyperic Performance Tuning page to see if any of their suggestions make sense in your environment. 100 agents is slightly above the default tuning parameters that Hyperic has setup.