TAGGED POSTS / parallel replicat

Oracle GoldenGate Parallel Internals – my presentation from POUG 2018

Oracle GoldenGate Parallel Integrated Replicat – DML rearrangement in transactions

While preparing my presentation for POUG 2018 conference I have found some different behavior in Parallel Intgrated Replicat. This is a new Replicat type available from version 12.3. According to Oracle internal tests Parallel Replicat can be up to 5 times faster than Integrated Replicat in the same test case. I have done a number of tests with various options but one thing struck me. Every time the Replicat rearranges the order of DML operations. And there is no way to turn it off.


Oracle GoldenGate Replicat Checkpoint table

In one of my previous posts I have described the rationale for using a checkpoint table in the Replicat process. This is a summary of all possible combinations of Replicat process and which of them are able of (not) using checkpoint table.