RE: Replication VS Triggers
Posted in 2004
Definitely use ER and not re-invent the wheel using old trigger technology! Andr' D. >From: St'phane Gadoury<stephane.gadoury@transat.com> >To: <informix-list@iiug.org> >Subject: Replication VS Triggers >Date: Wed, 23 Jun 2004 09:55:58 -0400 > >Hi list, > >I need to replicated a subset of about 15 tables from IDS V7 towards a SQL >Server. In that table count, I have 3 tables that are always in the top 10 >in terms IO, during the day. > >I have 2 differents set up, which I could used. > >1- Set up triggers on the required tables >2- Set up ER for those tables towards another instance > >My concern is mainly performance and ease of management (since the data >will >go populate the sqlserver DB). I would tend to think that setting up 15 >triggers with all of them triggering on insert, delete and update would be >"heavier" on the performance compare to seting up those tables with ER and >having replication being set in one direction. > >Also, since the data would be used to populate the sqlserver, the >replication would be easier to manage in case of a crash or any other >failures. > >As usual, comments &/or suggestions are welcome. > >Thks ! > >St'phane > > > > > sending to informix-list