sql server replication: Snapshot - how often? -- sql server replication

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Snapshot - how often?

David
12/13/2005 3:55:28 PM

sql server replication:

We have a Merge replication on SQL 2K with same publisher/distributor and
only anonymous (laptop) subscribers. How often is it necessary to create
new snapshots when the laptops are synching frequently (every couple days)?
Also, is new snapshot needed only if structure changes? As you can tell, I
am new to replication. Thanks.

David

Re: Snapshot - how often?

Hilary Cotter
12/13/2005 9:41:03 PM

The snapshot agent by default IIRC will run every 1 hour, but only generate
a snapshot when one is required. Snapshots are only required if you make
schema changes to filtered column using the sp_repladdcolumn or
sp_repldropcolumn or if you need to reinitialize.

--
Hilary Cotter
Looking for a SQL Server replication book?
http://www.nwsu.com/0974973602.html

Looking for a FAQ on Indexing Services/SQL FTS
http://www.indexserverfaq.com

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RE: Snapshot - how often?

Paul Ibison
12/14/2005 1:26:04 AM

David,
syncing is very different to initializing/reinitializing. Once your laptops
have all initialized, I'd disable the snapshot agent (or delete the
schedule). If a new article is added or if a subscriber needs reinitializing,
I want to know about it so then run the snapshot agent manually.
Cheers,
Paul Ibison SQL Server MVP, www.replicationanswers.com
(recommended sql server 2000 replication book:
http://www.nwsu.com/0974973602p.html)

RE: Snapshot - how often?

David
12/14/2005 5:26:44 AM

That makes a lot of sense. Thanks Paul.

Re: Snapshot - how often?

David
12/15/2005 3:38:59 PM

The default is once a week. If I make an update to a non-filtered column
(we don't use any filters) do I still need to run the snapshot agent before
the subscriber (anonymous) sees the new column?

David

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