Re: Streams for one-time single source replication

  • From: "Rich Jesse" <rjoralist3@xxxxxxxxxxxxxxxxxxxxx>
  • To: oracle-l@xxxxxxxxxxxxx
  • Date: Thu, 6 Feb 2014 16:19:53 -0600 (CST)

Reed replies:

> One of the gotchas we had was with sequences.

Not in use for these schemas.  Yay!  We do have a few triggers though...

> Another issue we dealt with was record updates. Connections on the source
> were making changes to records while connections on the destination were
> making updates to the same records. This would cause a conflict in the
> apply process and cause the apply to stop working. It would add an entry in
> the error log but would need to be restarted. The biggest problem with this
> was due to the applications updating the entire record even though only one
> or two fields were changed.

Hmmmm...I could see that happening a lot here.  :|

> How are you
> applications connecting to the database. Are they using remote resolution
> with an alias? That would provide an easier cut over, just updating where
> the alias points.

The app server is being cutover at the same time as well, as we have all-new
hardware for all tiers.  So no worries from that standpoint.

Thanks!
Rich

--
//www.freelists.org/webpage/oracle-l


Other related posts: