Hi Alice – We had these memory leak problems on Cloverleaf 3.8.0 and had to bounce all our processes (hcienginestop/hcienginerun) daily to keep the paging space in check.
We’re now on Cloverleaf 5.3.0 (no patches) and have had these problems to a much lesser extent. We now only need to bounce two of our 15 processes that have memory leak problems, and only bounce them about 3 times/week.
One of the leaking processes is an odbc-based interface, and the other is a VPN interface that we had to set up to cycle the threads to/from the VPN every 10 minutes to keep the connections from timing out. Apparently that thread cycling causes a memory leak too.
At any rate, other than cycling the processes, we could find no other way to resolve the problem.
-Glenn