Try to analyze your java process with
http://java.sun.com/developer/technicalArticles/J2SE/jconsole.html
and
http://visualvm.java.net/
-Original Message-
From: André Warnier [mailto:a...@ice-sa.com]
Sent: martedì 12 aprile 2011 15:43
To: Tomcat Users List
Subject: Re: Simple Tomcat
On Tue, Apr 12, 2011 at 12:20, André Warnier a...@ice-sa.com wrote:
[...]
Considering all the above, which would be the easiest/quickest way of
starting to figure out what this tomcat is doing, and where the
system/application bottleneck might be ?
We have the following tools, all very easy
I'm gonna try to make a guess here :)
top - 08:20:02 up 72 days, 9:39, 4 users, load average: 6.83, 5.63, 3.16
Tasks: 265 total, 1 running, 264 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.2%us, 0.1%sy, 0.0%ni, 99.2%id, 0.5%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 12328624k total,
Borut Hadžialić wrote:
I'm gonna try to make a guess here :)
top - 08:20:02 up 72 days, 9:39, 4 users, load average: 6.83, 5.63, 3.16
Tasks: 265 total, 1 running, 264 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.2%us, 0.1%sy, 0.0%ni, 99.2%id, 0.5%wa, 0.0%hi, 0.0%si, 0.0%st
Mem:
Francis GALIEGUE wrote:
On Tue, Apr 12, 2011 at 12:20, André Warnier a...@ice-sa.com wrote:
[...]
Considering all the above, which would be the easiest/quickest way of
starting to figure out what this tomcat is doing, and where the
system/application bottleneck might be ?
We have the
You could check it apache threads are the problem by using something like:
ps -feH | grep httpd | wc
(or something else instead httpd to hit only apache processes)
If the line number gets close to 150 (Apache (prefork) MaxClients)
then that is the problem.
On Tue, Apr 12, 2011 at 2:18 PM,
From: André Warnier [mailto:a...@ice-sa.com]
Subject: Simple Tomcat monitoring ?
5396 root 20 0 832m 610m 9224 S 100 5.1 12:32.43 java
the second task visible above is the interface to the search engine).
Which seems to be single-thread and thus a possible bottleneck. The
On Tue, Apr 12, 2011 at 14:26, André Warnier a...@ice-sa.com wrote:
Francis GALIEGUE wrote:
On Tue, Apr 12, 2011 at 12:20, André Warnier a...@ice-sa.com wrote:
[...]
Considering all the above, which would be the easiest/quickest way of
starting to figure out what this tomcat is doing, and
Caldarale, Charles R wrote:
From: André Warnier [mailto:a...@ice-sa.com]
Subject: Simple Tomcat monitoring ?
5396 root 20 0 832m 610m 9224 S 100 5.1 12:32.43 java
the second task visible above is the interface to the search engine).
Which seems to be single-thread and thus a