Jeffrey Janner wrote:
-----Original Message-----
From: Christopher Schultz [mailto:ch...@christopherschultz.net]
Sent: Friday, April 11, 2014 12:54 AM
To: Tomcat Users List
Subject: Re: How to monitor performance of tomcat
All,
On 4/8/14, 5:24 PM, Christopher Schultz wrote:
Randir,
On 4/8/14, 5:05 AM, Randhir Singh wrote:
We have an application which has JBoss as the application server
with
Tomcat as the web server, our application has Oracle 11g as the
database. I would give some further background to the issue we are
facing, since the last 1 1/2 months, the application slows down.
Sometimes it comes back to normal, specially on week-ends. But other
times we restart JBoss & Tomcat to bring back the application to
normal.
We have been using jconsole to monitor tomcat like
jconsole 10.101.17.79:8891
which monitors our tomcat for a work order system. If the memory
usage does not show spike and shows constant reading, the GC button
is clicked to invoke the garbage collector.
You should really never have to invoke the gc yourself. It gc isn't
working properly by itself, you have a big problem.
I checked out on the net and got some clue as below:
1) Javamelody - It seems to be a 3rd party tool which is not
recommended.
Javamelody is just fine. What makes you think it's not "recommended"?
2) There is a command mentioned to see the admin console,
http://<IP:port>/ but it is not displaying the required page.
Please give your inputs whether jconsole should be a help in the
right direction or some other way to monitor the performance of
Tomcat.
I suspect there's no chance you are in Denver for ApacheCon right
now,
are you? I'm giving a presentation on it tomorrow. I'll post the
slides later in the afternoon MDT.
http://people.apache.org/~schultz/ApacheCon%20NA%202014/Monitoring%20Ap
ache%20Tomcat%20with%20JMX.odp
There's a PDF version with borked slide-notes in that directory if you
can't read ODP.
Chris -
The PDF file is not world readable.
It gets worse : it's not even a PDF.
;-)
Coffee, Jeffrey.
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