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Filip,
On 5/22/2009 10:14 AM, Filip Hanik - Dev Lists wrote:
[The NIO connector in 6.0.18] simply never called close on the FD when it was
done
I tried the tomcat-coyote.jar from Tomcat 6.0.20 and everything worked
quite well. Thanks a lot for
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Rainer,
On 5/21/2009 12:21 PM, Rainer Jung wrote:
2 remarks about all your stress testing efforts:
A) TIME_WAIT
When not doing HTTP Keep-Alive, under high load the size of the TCP hash
table and the effectiveness of the system to lookp up TCP
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Rainer,
On 5/21/2009 12:13 PM, Rainer Jung wrote:
On 21.05.2009 17:55, Christopher Schultz wrote:
All,
I've been testing the performance of various Tomcat configurations
against Apache httpd and my serious tests are not completing for the NIO
Hi Chris,
On 22.05.2009 14:14, Christopher Schultz wrote:
Rainer,
On 5/21/2009 12:21 PM, Rainer Jung wrote:
2 remarks about all your stress testing efforts:
A) TIME_WAIT
When not doing HTTP Keep-Alive, under high load the size of the TCP hash
table and the effectiveness of the system
Hi Chris,
On 22.05.2009 14:29, Christopher Schultz wrote:
$ jmap -heap 1430
Attaching to process ID 1430, please wait...
Debugger attached successfully.
Client compiler detected.
JVM version is 11.3-b02
using thread-local object allocation.
Mark Sweep Compact GC
Heap Configuration:
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Filip,
On 5/21/2009 12:34 PM, Filip Hanik - Dev Lists wrote:
hi Christopher, generally, ulimit -n 1024 is too low for any kind of web
server.
Fair enough, but I'm not putting an unreasonable load on my server with
ulimit -n 1024 and 40 concurrent
Rainer,
On 5/22/2009 8:55 AM, Rainer Jung wrote:
You could run a JSP including a call to System.gc();
Right. The JVM is out of file descriptors. I cannot deploy a new JSP
onto the server without restarting it. ;) I mentioned this in my initial
post.
First of all this really looks bad and
Christopher Schultz wrote:
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Filip,
On 5/21/2009 12:34 PM, Filip Hanik - Dev Lists wrote:
hi Christopher, generally, ulimit -n 1024 is too low for any kind of web
server.
Fair enough, but I'm not putting an unreasonable load on my server
On 22.05.2009 15:46, Christopher Schultz wrote:
Rainer,
On 5/22/2009 8:55 AM, Rainer Jung wrote:
You could run a JSP including a call to System.gc();
Right. The JVM is out of file descriptors. I cannot deploy a new JSP
onto the server without restarting it. ;) I mentioned this in my
Filip,
On 5/22/2009 10:14 AM, Filip Hanik - Dev Lists wrote:
if you look at the commit, there are changelog changes in there. one of
them being a FD leak with static content.
Gotcha. I was just looking at the commit comment itself.
It simply never called close on the FD when it was done
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Rainer,
On 5/22/2009 10:32 AM, Rainer Jung wrote:
On 22.05.2009 15:46, Christopher Schultz wrote:
Rainer,
On 5/22/2009 8:55 AM, Rainer Jung wrote:
You could run a JSP including a call to System.gc();
Right. The JVM is out of file descriptors. I
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Rainer,
On 5/22/2009 8:48 AM, Rainer Jung wrote:
The file descriptos thing is totaly independent. I hijacked the thread :)
Yeah, I know. Filip independently mentioned that there's a fd leak in
the NIO implementation includes in 6.0.18. I have yet
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All,
I've been testing the performance of various Tomcat configurations
against Apache httpd and my serious tests are not completing for the NIO
connector because the server is running out of files:
May 20, 2009 2:35:55 AM
On 21.05.2009 17:55, Christopher Schultz wrote:
All,
I've been testing the performance of various Tomcat configurations
against Apache httpd and my serious tests are not completing for the NIO
connector because the server is running out of files:
May 20, 2009 2:35:55 AM
2 remarks about all your stress testing efforts:
A) TIME_WAIT
When not doing HTTP Keep-Alive, under high load the size of the TCP hash
table and the effectiveness of the system to lookp up TCP connections
can limit the throughput you can reach. More precisely, depending on the
excat way of
hi Christopher, generally, ulimit -n 1024 is too low for any kind of web
server.
And there was also a file descriptor leak in the NIO connector, fixed in
http://svn.apache.org/viewvc?rev=734454view=rev
this is when Tomcat NIO serves up static content.
Filip
Christopher Schultz wrote:
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