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PostgreSQL 9.0 arrives with many new features

Oct 01, 2010, 12:02 (0 Talkback[s])
(Other stories by Josh Berkus)

"Version 9.0 of the PostgreSQL database management system was released on September 20, with considerably more "buzz" than a PostgreSQL release has had in a while. The PostgreSQL Project does a major release every year, but this one is special. It has more than a dozen major features and nearly 200 minor improvements, so the release has more new goodies in it for database geeks than any release before it, hence the "9.0" version number.

"It includes some things which users have been requesting for years, such as built-in replication. Given this large number of new features, I'm not even going to try to cover them all; instead, I'll pick five very different features as examples and you can read about the rest on PostgreSQL.org.

"Binary replication

"PostgreSQL 9.0 includes a new mechanism for replicating entire databases which uses binary logs to replicate between servers. Since this is very similar to Oracle's Hot Standby Databases, it is often also called "hot standby". While PostgreSQL already has several other replication tools, including Slony-I, pgPool2, and Bucardo, binary replication supports greater scalability and availability for the majority of PostgreSQL users. It is also simpler to configure and initialize for the most basic configuration: two identical databases with failover."

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