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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Lists: | pgsql-announce |
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
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