So, what is the feedback on that yohanfer?
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ok, let us know, it becomes better. But we are still way behind. Do you have a way to
measure individual times i.e. time of the servlet layer, EJB layer, DB access, etc.
and check which layers costs time?
3.2.4 should be released in 10 days.
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Hello people,
Just to give you some info on my progress, I've done a lot of changes that you have
suggested like making Tomcat run in production mode, making sessions replicate ASYNC
etc
The new version of the clustering doc (edition 7) is excellent in the aspect that it
covers a lot of th
yohanfer wrote:
About the threads, I agree about thread sizes in principle, but weblogic
handles the same traffic with 15 threads!
Do you use Weblogic with Sun jvm or with JRockit?
Vlad
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About web tier performance: the default configuration isn't very optimal with JBoss
3.2.3. This is improved in 3.2.4 RC 1 (along with the significantly faster Tomcat 5),
but by default, JBoss is more in "development" configuration than "production".
Some basic steps:
- Disable logging for the we
Hi Sacha,
Well, the ideal situation for clustering is the instant replication mode for the
minimal data loss. The values for that vs non-clustered is actually 1.19 vs 0.579
sec/page. The previous values were for a 2 second interval replication vs
non-clustered.
About the threads, I agree about
Hello Yohan,
At least, it seems to indicate that clustering has no bad effect (removing from
web.xml deactivates it), this is good.
Concerning the thread pool, DO increment it to 100 or 200 (as you have 100 concurrent
users, you should have at least 100 threads to serve them) and make sure thi
Hi Sacha,
Thanks for your quick reply.
The only clustering I have enabled ( as far as I know) is the HttpSession replication.
I turned this off by removing the setting in the web.xml for the non-clustered test.
I haven't set any EJBs to be clusterable.
The results of the non-clustered was 0.
Also:
- were you using synchronous or asynchronous replication of http sessions?
- what kind of replication trigger do you use in jboss-web.xml (GET, GET_AND_SET,
etc.)
Have you disabled transaction-service.xml debug mode?
Have you removed Tomcat JSP hot-recompilation (to detect JSP page chang
What performance do you get by disabling clustering completely? Just for comparison.
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