One thing that comes to mind is virtual
memory swapping. If Tomcat is idle for a long time, all of its memory
may be swapped out to disk to make room for other programs. Then when
Tomcat needs to handle a request, it must be swapped back in from disk
which takes time.
I've observed the hard disk light flickering when this happens but I
don't know if you want to spend the night camping in the server room
watching for this.
--
Len
On 2010-02-22, at 13:29, klin...@poczta.fm wrote:
Hello,
My webservice (using axis 1.1)is deployed on tomcat 5.5.28. Tomcat
runs on AIX and IBM Java 1.5 SR9. The problem is that every first
request after a longer idle (like a day) is served very slow.
There's no performance problem with next requests. It looks quite
similar to first request after tomcat restart yet there's no restart
here.
It's very difficult to spot the problem since most of the time
everything runs fine and I have like one chance a day to test some
new options.
Any ideas about that ?
Thanks in advance, Kate
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