[stunnel-users] Fwd: Trying to minimize memory usage for a scenario where we have several long-lived HTTPS connections.

Jeremy Frady jeremy.j.frady at gmail.com
Wed Oct 31 19:05:38 CET 2012

Hello all,

Thanks for taking the time to read this.  We're operating on a low spec
system that can not be modified at this point.  stunnel was introduced at
the last minute, without consideration to resource requirements and now
consumes enough ram to cause the kernel to issue OOM exceptions.

So in short, we are trying to trade increased CPU usage for less memory
usage and have tried setting “sessions” to 3600 to reduce memory pressure,
but unfortunately it doesn't last.

Our current solution is to cron a restart of stunnel on a regular basis,
but would prefer to limit number of threads or number of cache entries or
something else altogether similarly gentler.

Thanks again for your consideration and assistance in this!


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