[rabbitmq-discuss] Clustering On EC2
mikeb at rabbitmq.com
Mon Dec 12 12:58:30 GMT 2011
> But am I right in saying the only solution is to use short names, in
> effect using the hosts file on the actual cluster
> machines to identify each other?
> In my naive thinking I would have assumed supporting FQDN's to be
> straight forward, they all resolve to ip's right?
The main difficulty is simply that Erlang's clustering needs either all
short names or all "long" names, and its starting arguments discriminate
between these two situations.
I tried this, locally:
I changed '-sname' to '-name' in the scripts rabbitmq-server and
rabbitmqctl, then ran two nodes with full names (e.g.,
rabbit at example.com and hare at example.com) using RABBITMQ_NODENAME. These
happily clustered together and ran the management plugin, through which
I created a mirrored queue and sent some messages.
This suggests to me that it will work fine with the minimal modification
to scripts given in the attached patch. A release that supports this may
be longer in coming.
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