On Monday 24 August 2009 10:03:14 Daniel Cheng wrote:
> On Sun, Aug 23, 2009 at 6:22 AM, Matthew
> Toseland<[email protected]> wrote:
> > On Friday 21 August 2009 22:04:07 Masayuki Hatta wrote:
> >> Hi,
> >>
> >> >>>>> In <[email protected]>
> >> >>>>> Matthew Toseland <[email protected]> wrote:
> >>
> >> > How common is 64-bit Vista? Currently we install a 32-bit JVM, which
> >> > works, but doesn't get auto-updated, and is somewhat slower than if
> >> > we'd installed a 64-bit one (assuming we fix the FEC libraries and
> >> > manage to build them for Windows). We can't install a 64-bit JVM,
> >> > because the free version of the Java Service Wrapper (which we use
> >> > for self-restarting the node when deploying updates, and for
> >> > detecting hangs) only supports 32-bit.
> >>
> >> > Options?
> >>
> >> Possibly YAJSW (http://yajsw.sourceforge.net/) is worth trying.  Seems
> >> it supports Win32/64 (including not only Vista but also the
> >> forthcoming Win7) and GNU/Linux 32/64, Mac OS X, FreeBSD, Solaris too.
> >> LGPL'd.
> >
> > Ooooh, that looks very promising yeah.
> >
> > http://yajsw.sourceforge.net/Migrating from JSW.html
> >
> > I'm not sure about "Simple Configuration", would need to look into that as 
> > we require multiple jars; we can add stuff to the classpath so I don't 
> > think it's an issue. The migration methods look easy enough. Of course this 
> > would complicate support slightly, and we'd have to decide whether to 
> > migrate old installations (IMHO probably not a good idea).
> >>
> >> Best regards,
> >> MH
> >
> 
> http://yajsw.sourceforge.net/Migrating%20from%20JSW.html#mozTocId371344
> >> ... the minimal virtual memory requirement of YAJSW is  90 MB and 40 MB 
> >> physical memory.
> >> The value varies depending on the OS and the functions....
> 
> 40MB for a wrapper is alot.

Eeek! How much is that reduced by JVM memory sharing between the wrapper and 
the client process?

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