[mkgmap-dev] Splitter output files are nearly empty

Tue May 3 22:25:10 BST 2011

On Tue, May 03, Lambertus wrote:

> On 03-05-11 20:01, Marko Mäkelä wrote:
> > On Tue, May 03, 2011 at 05:48:55PM +0200, Lambertus wrote:
> > I assume that GC means garbage collection. Which JVM are you using? An
> > educated guess is that the memory runs out and a "full garbage
> > collection" cycle is started as a last resort.
> >
> Ok, "Garbage Collection" sounds reasonable, but I gave Java 7.5 GB heap 
> space while it used only a few hundred megabytes. I've got no idea why 
> it would run out of memory.

Do you really have so much free memory available? If you tell
Java it should use 7.5GB heap space, it will use that, even if not
available, and fail. I run Java with 4GB heap space (machine had more),
but since other processes allocated memory, too, it did fail sometimes
with similar symptoms. After I reduced the memory to 2.5 GB heap space,
it runs fine.

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