Like most things with Computers... it depends.
If you use it just to control single files and such puppet uses very little
in terms of resources; however if you are planning on checking directory
with recursive, well, don't.
I wouldn't worry however, in most cases your Java app is not going to be
effected by Puppet. Typically usage the daemon runs, it spikes the CPU (not
much memory in my experience) and it dies relatively quickly. If you use
passenger you shouldn't have any problems.
-----Original Message-----
From: Jeff Sussna
Sent: Saturday, December 03, 2011 2:30 PM
To: Puppet Users
Subject: [Puppet Users] Puppet considered harmful?
I am considering installing a Puppet agent on a legacy server running
an old, crappy, slow, leaky, yet important Java app. Nervous about
introducing anything that might (further) destabilize the app. What
are people's experiences with Puppet in terms of resource usage (CPU/
memory/network/etc)? For starters will likely run it on the standard
daemon schedule. Ultimately may want to control it with MCollective
though.
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