May 152012
 

The PostgreSQL Global Development Group announces the beta release of PostgreSQL 9.2, which will include major increases in performance and both vertical and horizontal scalability. The PostgreSQL Project asks all users to download and begin testing 9.2 Beta as soon as possible.
Major performance and scalability advances in this version include:
* Index-only scans, allowing users to avoid inefficient scans of base tables
* Enhanced read-only workload scaling to 64 cores and over 300,000 queries per second
* Improvements to data write speeds, including group commit
* Reductions in CPU power consumption
* Cascading replication, supporting geographically distributed standby databasesMas:

http://www.postgresql.org/about/news/1395/

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