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Tuesday, May 18, 2010
Amazon cloud-based database gains high-availability feature
Amazon Web Services has added a new high-availability feature called Multi-Availability Zone (Multi-AZ) to its cloud-based Relational Database Service (RDS), the company said on Tuesday. The addition of Multi-AZ provides better database availability by automatically configuring a standby copy of the database, which is stored in a different physical location from the original in Amazon’s cloud.
The addition of Multi-AZ provides better database availability by automatically configuring a standby copy of the database, which is stored in a different physical location from the original in Amazon’s cloud.
From start to finish, the failover between the two databases typically completes within five minutes, according to Amazon.
Amazon RDS is based on MySQL 5.1 and is still in beta.
Amazon is also working on a second feature that will replicate data to improve scalability by using multiple database instances at the same time.