Saturday, September 22, 2012

TimesTen Replication

Replication is the process of maintaining copies of data in multiple databases. The purpose of replication is to make data highly available to applications with minimal performance impact.

Replication is the process of copying data from a master database to a subscriber database. Replication is controlled by replication agents for each database. The replication agent on the master database reads the records from the transaction log for the master database. It forwards changes to replicated elements to the replication agent on the subscriber database. The replication agent on the subscriber database then applies the updates to its database.

Requirements for replication compatibility
TimesTen replication is supported only between identical platforms and bit-levels. The databases must have DSNs with identical DatabaseCharacterSet and TypeMode database attributes.

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