I'll try to get an instance going today. Will let you know how it goes
also, try asynchronous replication, does it still go to 100%?

Filip

-----Original Message-----
From: Steve Nelson [mailto:[EMAIL PROTECTED]
Sent: Wednesday, January 07, 2004 12:08 PM
To: 'Tomcat Users List'
Subject: RE: tomcat 5.0.16 Replication




Okay, did that got this

BEGIN TO RECEIVE
SENT:Default 1
RECEIVED:Default 1 FROM /10.0.0.110:5555
SENT:Default 2
BEGIN TO RECEIVE
RECEIVED:Default 2 FROM /10.0.0.110:5555
SENT:Default 3
BEGIN TO RECEIVE
RECEIVED:Default 3 FROM /10.0.0.110:5555
SENT:Default 4
BEGIN TO RECEIVE
RECEIVED:Default 4 FROM /10.0.0.110:5555

*shrug*

BTW It didn't go to 100% CPU ute before I started using the code from CVS.
Of course the Manager would almost always timeout before it would recieve
the message.

Now it gets the message right away, but maxes my machine out.




-----Original Message-----
From: Filip Hanik [mailto:[EMAIL PROTECTED]
Sent: Wednesday, January 07, 2004 1:58 PM
To: Tomcat Users List
Subject: RE: tomcat 5.0.16 Replication


100% cpu can mean that you have a multicast problem, try to run

java -cp tomcat-replication.jar MCaster

download the jar from http://cvs.apache.org/~fhanik/

Filip

-----Original Message-----
From: Steve Nelson [mailto:[EMAIL PROTECTED]
Sent: Wednesday, January 07, 2004 6:51 AM
To: '[EMAIL PROTECTED]'
Subject: tomcat 5.0.16 Replication



I was having random problems with clustering when starting up. Mostly it had
to do with Timing out
when the manager was starting up. I built the CVS version and it solved that
problem. But it has caused
some serious performance problems.

First a little background.

I have 2 servers, dual 300mhz cpq proliants, both running Redhat - 9, Tomcat
5.0.16 (with catalina-cluster.jar build from cvs) The multicast packets are
restricted to a crossover link between the servers. There are 3 hosts in the
server.xml, all with clustering set up. They all function just fine.

But.....the cpu's spikes up to 100% if I start up both servers. I know this
didn't happen without the new catalina-cluster.jar. If I shut down 1 server
(doesn't matter which) everything returns to normal. But when both are
running both servers are at 100% CPU. I am trying to profile it now, but I
figured if someone has already experienced this they could save me some
time.

Oh, and there isn't anything relevant in my logs. It's not throwing millions
of errors or something.

-Steve Nelson



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