International Business Machines Corporation
AUTOMATED ONLINE UPGRADE OF DATABASE REPLICATION

Abstract:

In an approach to improve online database replication by automating the upgrading of a database replications system online. Additionally, embodiments of the present invention stop an upgrade using a first incremental update strategy on data of a source database, identify an earliest open transaction from a first database to a second database, and identify a last committed log record identifier. Further, embodiments of the present invention execute an adaptive apply strategy on transactions including the earliest open transaction until the last committed log record identifier is reached by the adaptive apply strategy, and resume, by upgrade controller, the upgrade with a second incremental update strategy.