Info-cyrus Digest, Vol 20, Issue 1

[Jerome Nenert]

>> I'm using Cyrus replication. After several tests, it seems that the 
>> single instance store facility is not replicated. I mean, the same 
>> message sent to several recipient is stored once on the master, but 
>> stored several times on the slave. Is there a special thing to do to 
>> activate single instance store replication or it just doesn't exist yet?
> 
> Message UUIDs are used to replicate the single instance store (see 
> docs/text/install-replication). This won't have much effect when you first 
> replicate a mailstore as sync_server in 2.3 only tracks the last few 
> thousand messages that have been uploaded. It becomes much more effective 
> when a replica has been seeded and you switch to "rolling" replication.
> 

After turning on "rolling" replication, 2 different hardlinks for the 
same message has been created in /bulk/imap/spool/sync./ on the replica 
( one per recipient ) but not the same hardlink for the same message in 
the spool.