a real-time database replication environment, operation and management methods and systems

摘要

is provided, the database operational management method and system for real-time replication environment. DB is divided into a management area of the region and the back region, the operating region includes the replication management DB and DB of the management DB, the backup area is the backup DB (operation backup DB) and the replication of the management DB DB DB management system including a backup DB (duplicate backup DB) is, provides a service in response to a user's transaction, comprising a replication management DB, receiving the transactions that occurred in the management DB, the operation of the statistical data DB replication to provide DB, DB receives the log of the operations to perform the backup, after the failure of the operation of the operation log DB receives the duplicate backup DB and DB that is replaced by a new management DB when performing a backup restoration and, including the replication backup DB that changes during restoration after the failure of the replication DB to new DB and replication, the operational backup DB and DB is the duplicate backup backup has been applied for a predetermined time after the operation DB DB operation The interruption. ; restoration, databases, replication