Re: too many open files

Hi,

Java 1.4.2 (Mac OS X) seems to fix this (WO 5.2.2 isn't certified for 
Java 1.4.2 - however it runs much better than under 1.4.1 for me).

Markus


On 11.02.2004, at 20:29, Georg Tuparev wrote:

> David & Others,
>
> It seams that this is a VM problem. I did play with Java 1.3 and 1.4 
> on both MacOSX 10.2.x and Solaris. I hit this problem on all 
> installation, but on a different places (more or less randomly). It 
> seams VM just do not care to release file handles....
>
> The side effect of hitting the GC manually is 5% slower apps (in my 
> particular case). But this is very small price I have to pay. After 
> doing so our apps (most of them really complex - something like 150 
> entities, 100k lines of source) run without restart for months. This 
> is a banking application and the load is significant (4th or 5th 
> largest dutch bank).
>
> BTW, I do not blame WO for this. I am able to mimic the same problem 
> with j2ee app running on JBoss. Send your complains to Mr. Gosling.... 
> and file a radar enhancement request to have WO6 in ObjC
>
> have fun
>
> -- georg --
>
> P.S. I wonder what will be the overall performance hit if WO kicks the 
> GC after every Request-Response loop... any thought?
>
> "War is God's way of teaching Americans about geography."
> Ambrose Bierce, writer (1842-1914)
>
> On Feb 11, 2004, at 6:57 PM, David Teran wrote:
>
>> thats a very interesting observation! In fact calling the GC manually 
>> is not recommended and i wonder if your app is using a lot of 
>> FileWriter instances. In every case this might be a bugreport because 
>> before throwing such an exception the VM should make clear that there 
>> are no uncollected instances which can be collected to prevent such 
>> an exception.
>>
>> Can you check this example on another OS like Linux / Solaris ?
>>
>
>
> Georg Tuparev
> Tuparev Technologies
> Klipper 13
> 1186 VR Amstelveen
> The Netherlands
> Mobile: +31-6-55798196
>
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