One of my pollers almost looks as if it has a memory leak. This has survived through both SP1 and SP2.
Over time the SWjobengineworker.exe process will eat away at the memory untill there is almost none left. At which point it will just stop polling untill I kill the service off and restart it.
Right now it actually shows 5 or 6 versions of that process running but only one is using a ton of memory, over 1GB right now.
Info for the box
Server 2008 64bit SP2
4GB RAM
I have the poll per seconds setting set at the recommended numbers