On 05/01/2012, at 7:08 PM, Olivier Lamy wrote:

> 2012/1/5 Brett Porter <[email protected]>:
>> Hi,
>> 
>> In MRM-1549, the -Xms was increased to 512m. This is very high for a 
>> starting point - would it be better to use the default settings, but let it 
>> grow to the upper setting? It is quite costly on memory when I run it on my 
>> local machine.
> Not xmas RAM ? :-)

Hehe, no problem on the main machine (except for the VMs it has going too), but 
it's more useful on the laptop when I'm offline and need to conserve RAM and 
CPU... :)

>> 
>> A couple of years back I did a lot of profiling to try and get it as lean as 
>> possible, so that we could run a minimal instance - this is something I'd 
>> like to do again before 1.4. Between the large number of classes to load and 
>> other memory use it's becoming impractical to run that way again :)
>> 
> I usually like having -Xms to prevent later slower allocation.
> But as it's something easily configurable: no problem.

Understood - maybe we should also really consider again two distributions 
(minimal proxy & full application).

I guess I can tweak the settings locally as well.

> 
> BTW removing xmlrpc will decrease number of loaded classes. (and
> moving to a plain html/js will remove struts classes loading too: more
> longer task :-) ).

Right...

> 
>> Also, I've noticed that the latest milestones are still not very stable on 
>> vmbuild, restarting once or twice a day. Is anyone else seeing similar 
>> problems?
> 
> No I'm not aware of that.
> Any logs or stacktrace or dump available ?

I need to poke at it some more (I think you also have access still?). I think 
it's just a lot of GC but I could be wrong.

- Brett

--
Brett Porter
[email protected]
http://brettporter.wordpress.com/
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