O'Reilly logo

Oracle GoldenGate 11g Complete Cookbook by Ankur Gupta

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Splitting the replication load into multiple process groups for optimal performance

You will often notice that when replication is implemented in very busy systems, a single Extract/Replicat process is not sufficient to keep up with the rate of change. In most cases, you will find that it is the Replicat process that is causing the bottleneck. This is due to the fact that the Replicat or Apply process works in a serial fashion. All the changes read from the trail files are re-constructed into the SQL statements. These statements are then run in the target database one-by-one. Unless you have deliberately created a configuration with a set delay between the systems, it is usually desired to have the least lag between the source and target environments. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required