Hi
Thanks, worked a treat. Whats the timescale for V2 UR1?
Glen
-----Original Message-----
From: Jeanfrancois.Arcand_at_Sun.COM [mailto:Jeanfrancois.Arcand_at_Sun.COM]
Sent: 24 October 2007 16:03
To: users_at_glassfish.dev.java.net
Subject: Re: OutOfMemoryError and performace issues
Hi,
you are facing:
https://glassfish.dev.java.net/issues/show_bug.cgi?id=3683
Can you update to the current nightly build?
Thanks
-- Jeanfrancois
Drinkwater, GJ (Glen) wrote:
> Hi
>
> I am using glassfish v2 b58g to try and use a servlet to download
> large files, but I keep on getting an out of memory error.
>
> I try and execute concurrent requests (10 to 100) to this servlet
> which reads in a large file 20 to 50M and streams it to the output.
>
> The server keeps on taking up memory, up to the 550M I give it in byte
> arrays[], which is linked to the
> com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run()
> when I profile it. Also, the more I increase the Request Processing
> thread count the quicker it runs out of memory (ie from 5 to 10, 20
> etc). All the Eden, Survivor and Tenured heap space it taken up, and
> never reclaimed, even after the requests have stopped.
>
> I noticed the memory go up from running around 100M to 247M when
> requested a download on a 60M file?
>
> When I try the same code on tomcat 6.0.14, give it 50 max in the http
> thread pool, the memory footprint never exceeds 7M? Also, the
> performace compared to tomcat is very poor, even if I try out the tips
> in
>
http://weblogs.java.net/blog/jfarcand/archive/2007/03/configuring_gri_2.
> html
>
> Can anyone help?
>
> Simple code in the servlet doGet():
>
> byte[] bbuf = new byte[1024];
> FileInputStream filein =new FileInputStream(file);
> DataInputStream in = new DataInputStream(filein);
> while ((in != null) && ((length = in.read(bbuf)) != -1))
> {
> op.write(bbuf,0,length);
> }
>
> filein.close();
> in.close();
> op.flush();
> op.close();
>
> Thanks Glen
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe_at_glassfish.dev.java.net
> For additional commands, e-mail: users-help_at_glassfish.dev.java.net
>
---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe_at_glassfish.dev.java.net
For additional commands, e-mail: users-help_at_glassfish.dev.java.net