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From Gary Gregory <>
Subject RE: [runtime] Stability of memory mapped file support
Date Sat, 12 Mar 2011 06:24:36 GMT
> -----Original Message-----
> From: Mladen Turk []
> Sent: Saturday, March 12, 2011 01:23
> To:
> Subject: Re: [runtime] Stability of memory mapped file support
> On 03/12/2011 05:57 AM, Steve Ash wrote:
> > Hello,
> >
> > I am working on something that could benefit from using large memory mapped
> > files.  I have had bad experiences with the built in support, and the lack
> > of deterministic unmapping in the past.  I am interested in the support
> > offered in Commons Runtime.  Is it complete or stable?  Any production time?
> >
> That's my sandbox project, and I'm currently reviewing the complete
> API since it collides/overlaps with Java7 API in some areas.
> Also I'll completely drop the Java5 support, so I wouldn't suggest
> you base anything on the current sandbox code any time soon.
> Anyhow, it's still in active development, and the original
> plan for replacing Daemon and Tomcat Native core functionality still
> stands, but since lots changed in JVM area since sandboxed, I
> had to rethink of few concepts, especially about using core Unsafe
> API which offers much higher JNI performance.
> Ping me back in a month or just watch the SVN activity, and I'll
> be able to give you more info then.
> Worse case? It might even go to the attic before exiting the sandbox.
> Sometimes I find developing inside ASF so frustrating, that I'm not
> sure I wish to do that again. It's not the same place I remember it
> was a decade ago.

Do you have suggestions for improvements?


> Regards
> --
> ^TM
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