Jacques Caron jc at oxado.com
Wed Nov 21 06:34:44 PST 2007
At 23:21 20/11/2007, Robert Landrum wrote:
>I'm working with a very large database.  300 tables and about 350 
>sequences.  Dumped, it's about 8GB of data.
>
>I've read several posts that seem to indicate that I need to let 
>slony sync my data between the master and the slave when I subscribe 
>the slave to the master.  I would prefer to avoid this, as it'll 
>take quite a while for the sync to take place.  After about 2 hours 
>and 30 minutes, I'm only about 5% complete.

Well, I don't quite understand how you could have a replication 
without syncing the data? Also, we have several large databases 
replicated including one where the (compressed) dump is 8GB as well, 
and it certainly didn't take 2 days to do the initial sync. Are you 
using the last versions of postgresql and slony? Is your slave 
correctly configured (both hardware- and software-wise)? Did you 
check that there are no errors during the replication which would 
cause slony to abort and restart again and again?

>Is this just a limitation of slony? Or is there a workaround I've missed?

What other option would you imagine there could be?

Jacques.



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