What does "low watermark lag" and "high watermark lag" mean in parallel replicat lag command (Doc ID 2746112.1)

Last updated on JULY 20, 2024

Applies to:

Goal

Customer is running parallel replicat and on running below lag command, they want to know the definition of low watermark lag & high watermark lag
.
GGSCI () 2> lag CG1RA

2021-01-06 23:15:15 INFO OGG-14054 Lag from heartbeat table requires DBLOGIN.

Sending GETLAG request to REPLICAT CG1RA ...
Low watermark lag: 8 seconds
High watermark lag: 8 seconds
At EOF, no more records to process
 

Solution

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.