> From: Christopher Schultz [mailto:ch...@christopherschultz.net] 
> Subject: Re: Free Memory vs. Total Memory vs. Max Memory

> Okay, so it sounds like if the environment is such that reducing the
> heap at intervals is important (many JVMs, peak-memory-load events are
> rare, etc.) then using Xms < Xmx isn't a bad idea at all.

If the peak-load periods truly are infrequent and of short duration, _and_ you 
can tolerate the hiccup as the heap ramps up, then yes, having a small minimum 
heap size would be ok.  It's the ramp-up impact that can really annoy the end 
users.  You have to balance that against the minimal cost of today's memory 
(even ECC RAM is under $10 per GiB).

 - Chuck


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