Thursday, April 18, 2013

Session Failover with Sun GlassFish(tm) Message Queue 4.4 - Part III

So we have a proper Message Broker set up for OpenAM Session Failover (AMSFO). We now need some statistics for monitoring.



I must say this has nothing to do with OpenAM at all. The statistics comes from Sun GlassFish(tm) Message Queue, not OpenAM. Sun GlassFish(tm) Message Queue is an external component here.

So, here is a good read.




To generate the type of statistics shown above, do the following:


- Go to ../jmq/imq/var/instances/ambroker/props
- Edit config.properties
- Add the following
imq.metrics.interval=10
imq.log.level=INFO
imq.log.file.output=INFO
imq.metrics.enabled=true



- Restart the MQ broker



Questions:

1. Does the Message Broker require restart whenever any OpenAM server is restarted?

No.


2. Does the OpenAM servers require restart if the active MQ instance is dead while another standby MQ instance takes over?

No.

.

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