Thanks for the response!

Interesting, this ALL MASTERS mode... I guess you don't do any replication then...

In the single master, several slaves mode, I'm assuming the client still writes to one and reads from the others... right?

On Nov 20, 2007, at 12:54 PM, Matthew Runo wrote:

Yes. The clients will always be a minute or two behind the master.

I like the way some people are doing it - make them all masters! Just post your updates to each of them - you loose a bit of performance perhaps, but it doesn't matter if a server bombs out or you have to upgrade them, since they're all exactly the same.

--Matthew

On Nov 20, 2007, at 7:43 AM, Alexander Wallace wrote:

Hi All!

I just started reading about Solr a couple of days ago (not full time of course) and it looks like a pretty impressive set of technologies... I have still a few questions I have not clearly found:

Q: On a cluster, as I understand it, one and only one machine is a master, and N servers could be slaves... The clients, do they all talk to the master for indexing and to a load balancer for searching? Is one particular machine configured to know it is the master? Or is it only the settings for replicating the index that matter? Or does one post reindex petitions to any of the slaves and they will forward it to the master?

How can we have failover in the master?

It is a correct assumption that slaves could always be a bit out of sync with the master, correct? A matter of minutes perhaps...

Thanks in advance for your responses!





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