FREE ChronicDB v2: Live schema changes with zero downtime for PostgreSQL

From: ChronicDB Community Team <community(at)chronicdb(dot)com>
To: pgsql-announce(at)postgresql(dot)org
Subject: FREE ChronicDB v2: Live schema changes with zero downtime for PostgreSQL
Date: 2010-06-02 16:06:30
Message-ID: 24bb1f13419de5b518af384d0720ad00@vpn.chronicdb.com
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We would like to announce the release of ChronicDB
v2.2.2, which supports PostgreSQL. ChronicDB
offers live schema changes with zero downtime
including live database updates in the presence of
active queries[1,2].

ChronicDB v2 accounts for in-progress
transactions and applies a live database update
only when it can be guaranteed that data
consistency will be preserved. Updates are applied
atomically within a configurable timeout period,
eliminating the possibility for long-lived
transactions to introduce permanent
unavailability. This is accomplished by a
combination of replication, live connection
migration, and query rewritting.

We are celebrating this release by offering a
FREE copy of ChronicDB[3] for the next two weeks.
We also invite community feedback on improving
live database updates[4] and making the technology
more accessible to the PostgreSQL community.

[1] -
http://chronicdb.com/why_live_database_updates
[2] - http://chronicdb.com/benefits_of_chronicdb
[3] - http://chronicdb.com/purchase_chronicdb
[4] - http://chronicdb.com/provide_feedback

Sincerely,

ChronicDB Community Team

http://chronicdb.com/benefits_of_chronicdb

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