Hi Sven,
you might want to look at this tutorial on how to tune jvm's garbage
collection:
http://java.sun.com/docs/hotspot/gc5.0/gc_tuning_5.html
There's more useful information here:
http://java.sun.com/docs/hotspot/
Thank you,
Dmitri
On Mon, Dec 27, 2004 at 06:05:22PM +0100, Sven Mielordt wrote:
> Dear fellows,
>
> we are working with highly complex structured hierarchical objects in
> bioinformatics
> and do allocate a hugh amount of memory (>1000 MByte).
>
> As soon as the depth of the object tree becomes too high, JAVA is no more
> able
> to remove unreachable temporary objects, leading to more and more uncleared
> memory and at last to "OutOfMemory".
>
> The problem might arise from used big loops out of one routine, since I read
> some weeks ago that the garbage collection can only remove temporary objects
> when the calling master method is terminated. (I think these references are
> called "weak", "phantom" or whatever).
>
> Does anyone know, how I can enforce memory to be freed whenever a reference
> becomes unreachable, meaning that these temporary objects become reachable
> for the garbage collection even if the calling method has not terminated?
>
> It would help us a lot to find a workaround, because this property seems to
> be
> a severe limitation in nerdy bioscience applications! This request does not
> really
> match the JAVA2D homepage, although we also do a lot of graphical animation.
> But the error certainly is not from JAVA2D, so perhaps somebody also knows a
> more appropriate mailing list or resorce to discuss my problem?
>
> Thank you all,
> Sven
>
>
>
>
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