In a nutshell, there is some code for doing delayed replication
from inside the server, as an optional parameter to the CHANGE
MASTER TO syntax. Maatkit has a script for doing this
functionally externally, but an internal solution might be
If you have an urgent interest in this feature, in either MySQL 5.0 or MySQL 5.1, please contact me to discuss.
See https://bugs.launchpad.net/ourdelta/+bug/288898 for more details and current code status (link to relevant OurDelta branch that has the work-in-progress patches).