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PostgreSQL 9.2 Beta 1 Now Available for Testing

From: josh(at)postgresql(dot)org
To: pgsql-announce(at)postgresql(dot)org
Subject: PostgreSQL 9.2 Beta 1 Now Available for Testing
Date: 2012-05-14 22:48:49
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-announce
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  

PostgreSQL 9.2 will also offer many new features for application  
developers, including:

* JSON data support, enabling hybrid document-relational databases
* Range types, supporting new types of calendar, time-series and  
analytic applications
* Multiple improvements to ALTER and other statements, easing runtime  
database updates

For a full listing of the features in version 9.2 Beta, please see the  
release notes:

We depend on our community to help test the next version in order to  
guarantee that it is high-performance and bug-free.  Please download  
PostgreSQL 9.2 Beta and try it with your workloads and applications as  
soon as you can, and give feedback to the PostgreSQL developers.  More  
information on how to test and report issues:

Get PostgreSQL 9.2 beta, including binaries and installers for  
Windows, Linux and Mac from our download page:

Full documentation of the new version is available online  
(, and also installs with  

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Subject: Call for Papers - PostgreSQL Conference Europe 2012
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