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From Adam Whitney <adam.whit...@sony.com>
Subject Re: how to probe broker's openwire port from an F5 VIP?
Date Tue, 20 Sep 2016 17:32:20 GMT
Tim,

Thanks for the quick response.

Regarding setting up and starting a full ActiveMQConnection:
1) No problem on the links, I appreciate the details. I was hoping to have
something a little more lightweight than actually creating a connection and
then closing it ... seems lie creating a new connection every second would
put undo burden on the broker just to probe if the broker is listening on
that port? Is there some other "trick" in openwire to make the probe more
lightweight while still avoiding the error in the broker logs, e.g. just
send something like a WIREFORMAT_INFO request?

Regarding clients reconnecting after broker failover:
2) The F5 would only be used to route the initial connection request ...
after that, my understanding is that as long as clients use the "failover"
protocol when connecting to the VIP, e.g. something like
"failover:(tcp://activemq-vip:61616)", and the broker-side transport
connector has "updateClusterClients" and "rebalanceClusterClients" set to
true, then the broker and client would exchange info about the network
topology and clients would reconnect directly to active brokers should the
initial connection fail.

adam



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