[jboss-user] [JBoss Portal] - Singleton Failover

chanyungwan do-not-reply at jboss.com
Tue Jul 18 04:34:35 EDT 2006

I have a jboss cluster with 2 members.  The OS is Redhat Linux Advanced Server 4 and the jboss version is 3.2.5.  There are 3 singletons being put in deploy-hasingleton folder in each member.  I want to test the singleton failover in this cluster and 2 cases are observed:

1) In the master node, I use the command "ps -auxwww | grep run.sh' to kill the jboss service, the 3 singletons can be launched in the 2nd node within 2 minutes and it is acceptable for us.

2) In the master node, I quit the jboss service using normal exit, i.e."Ctrl-C".  However, the 3 singletons can also be launched in the 2nd node but it almost needs 10 - 15 minutes to complete the launching process.  I tried to decrease the value of the linux kernel parameters like /proc/sys/net/ipv4/tcp_rmem or /proc/sys/net/ipv4/tcp_wmem or /proc/sys/net/ipv4/tcp_retries2, but none of them help.

Please give an advice on tackling the 2nd case timing issue.

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