Basic question about Cyrus replication

Matt Selsky selsky at
Mon Sep 6 23:36:09 EDT 2010

On Tue, 7 Sep 2010, Shuvam Misra wrote:

> Can you please give me some inputs about how Cyrus replication works?
> I've read the one page that comes with v2.3, and we've been using Cyrus
> (without replication) for a long time now.
> When I set up a master and a replica server, does the replica server
> listen on the IMAP port too, and can it handle IMAP queries while it is
> receiving sync logs for rolling replication?

No, the replica only listens on the sync server port.  The replica should 
not listen on the IMAP port and should not accept client queries.

> Basically, my question come from the DBMS background. When we set up a
> master and slave RDB and do near-real-time replication using log
> shipping, then the slave operates in recovery mode, not online mode. So,
> clients can't query the slave during this time. Is it the same with the
> Cyrus replica server?

Yes, it's the same idea as the recovery mode for DBMS.


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