Github user serverchief commented on the pull request:
https://github.com/apache/cloudstack/pull/1493#issuecomment-216382896
@kiwiflyer,
My testing with this patch - if you have at least several hundred KVM
nodes connected to 2 MS via VIP and take 1 MS down, you will notice that KVM
agents will shift to second MS in mater of seconds - with no noise.
Without this patch, depending on the scale - it may take upto 10 minutes to
reconnect all hosts and also lots of noise about hosts being down!
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