On Sunday 07 September 2008 16:38, Peter J. wrote:
> On Saturday 06 September 2008 20:46:25 Matthew Toseland wrote:
> > On Saturday 06 September 2008 18:56, Peter J. wrote:
> 
> <snip>
> 
> > > 3. That could explain alot:
> > > ????????download: aprox. 3.3 Gib
> > > ????????upload ? ? : aprox. 2.4 Gib
> >
> > That's a fair amount too. The downloads will use a significant amount of
> > RAM, the uploads will use a huge amount of RAM. You might like to try to
> > db4o branch, although there's a good chance the uploads won't work ... I
> > will work on uploads soon...
> >
> > Does increasing the memory limit help, or is it as high as you can go
> > without hitting swap already?
> >
> 
> Ok, I set the maximum allocatable memory for java to 1016 MiB. I saw the 
> actual allocated memory rise to around 1000 Mib once then it dropped and it 
> is now fluctuating somewhere between 700 Mib and 850 Mib. The node is now 
> running for 6 hours. The computer is swapping some memory (for the first 
time 
> actually ;) ) but that doesn't really hurt the performance. 
> Maybe if I drop 100 Mib memory it won't use swap anymore but as I don't 
notice 
> any significant lost of performance I think I keep it this way.  
> 
> Anyway, thanks for the advise.

Let me know if this makes it stable.

As regards swapping, swapping and java don't mix very well: if part of the JVM 
is swapped out, it will have to be paged back in to do garbage collection, 
which may happen every 10 seconds or so...
> 
> Greetings
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