<br><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Josh Berkus</b> <span dir="ltr"><<a href="mailto:josh@postgresql.org">josh@postgresql.org</a>></span><br>Date: Mon, Sep 12, 2011 at 2:25 PM<br>
Subject:PostgreSQL 9.1 Released<br><br><br>The PostgreSQL Global Development Group announces the release of<br>
PostgreSQL 9.1. This latest version of the leading open source database<br>
offers innovative technology, unmatched extensibility, and new features<br>
such as synchronous replication, K-Nearest Neighbor indexing, and<br>
foreign data wrappers.<br>
<br>
"PostgreSQL 9.1 provides some of the most advanced enterprise<br>
capabilities of any open source database, and is backed by a vibrant and<br>
innovative community with proven customer success. PostgreSQL is well<br>
positioned for building and running applications in the cloud," said<br>
Charles Fan, Sr. VP R&D, VMware.<br>
<br>
Responding to Users<br>
<br>
Version 9.1 delivers several features which users have been requesting<br>
for years, removing roadblocks to deploying new or ported applications<br>
on PostgreSQL. These include:<br>
<br>
* Synchronous Replication: enable high-availability<br>
with consistency across multiple servers<br>
* Per-Column Collations: support linguistically-correct<br>
sorting per database, table or column.<br>
* Unlogged Tables: greatly improves performance for ephemeral data<br>
<br>
"Heroku runs the largest PostgreSQL database-as-a-service in the world,"<br>
said James Lindenbaum, Heroku co-founder. "The release of synchronous<br>
data replication with 9.1 provides our customers with innovative new<br>
ways of protecting mission-critical data, and validates PostgreSQL as<br>
one of the fastest-moving datastores available."<br>
<br>
Advancing the State of the Art<br>
<br>
Our community of contributors innovates with cutting-edge features.<br>
Version 9.1 includes several which are new to the database industry,<br>
such as:<br>
<br>
* K-Nearest-Neighbor Indexing: index on "distance" for<br>
faster location and text-search queries<br>
* Serializable Snapshot Isolation: keeps concurrent transactions<br>
consistent without blocking, using "true serializability"<br>
* Writeable Common Table Expressions: execute complex multi-stage<br>
data updates in a single query<br>
* Security-Enhanced Postgres: deploy military-grade security<br>
and Mandatory Access Control<br>
<br>
"OpenERP has always relied on the enterprise-class features of<br>
PostgreSQL to provide a fast, reliable and scalable foundation for the<br>
Business Applications supporting our customers' operations every day.<br>
Data integrity in highly concurrent and transactional contexts is a<br>
critical topic for us, and we're very enthusiastic about the new<br>
Serializable Snapshot Isolation of PostgreSQL 9.1!" said Olivier Dony,<br>
OpenERP Community Manager.<br>
<br>
Extending the Database Engine<br>
<br>
PostgreSQL's extensibility enables users to add new functionality to a<br>
running production database, and use them for tasks no other database<br>
system can perform. Version 9.1 adds new extensibility tools, including:<br>
<br>
* Foreign Data Wrappers: attach and query other databases<br>
from PostgreSQL<br>
* Extensions: easily create, load, and manage new database features<br>
<br>
In PostgreSQL's 25th year of database development, our community<br>
continues to advance database technology with every annual release.<br>
Download version 9.1 now and experience the most advanced open source<br>
database system in the world.<br>
<br>
More information on PostgreSQL 9.1:<br>
* Release notes<br>
<a href="http://www.postgresql.org/docs/9.1/static/release-9-1" target="_blank">http://www.postgresql.org/docs/9.1/static/release-9-1</a><br>
* Presskit<br>
<a href="http://www.postgresql.org/about/press/presskit91" target="_blank">http://www.postgresql.org/about/press/presskit91</a><br>
* Guide to 9.0:<br>
<a href="http://wiki.postgresql.org/wiki/What%27s_new_in_PostgreSQL_9.1" target="_blank">http://wiki.postgresql.org/wiki/What's_new_in_PostgreSQL_9.1</a><br>
<br>
Download 9.1 now:<br>
* Main download page:<br>
<a href="http://www.postgresql.org/download" target="_blank">http://www.postgresql.org/download</a><br>
* Source code:<br>
<a href="http://www.postgresql.org/ftp/source/v9.1.0" target="_blank">http://www.postgresql.org/ftp/source/v9.1.0</a><br>
* One-click installer, including Windows installer:<br>
<a href="http://www.enterprisedb.com/products/pgdownload.do" target="_blank">http://www.enterprisedb.com/products/pgdownload.do</a><br>
<br>
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