see it as performance optimisation. A GC impl which would have to deal
with fragmented, non continuous and resizing heap would have a hard
time to compete with the current VM. A JVM is a operating system for
java applications. You can't plug in new RAM brick in your system
easily at runtime for the same reasons.

I would go even further and say that writing java applications with
unknown memory requirements is not that professional :P

On Aug 12, 2:48 pm, phil swenson <[email protected]> wrote:
> http://eblog.chrononsystems.com/xmx-is-hurting-the-usability-of-java
>
> I've been saying this since I first discovered the terrible
> OutOfMemoryException in 1999.  Xmx makes java inherently unstable.
> You can't rely on your app to stay up until you find the magic Xmx
> setting.  WTF!?
>
> Dick/Carl/Tor/Joe - when you talk to Mark Reinnhold, can you bring this up?

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