Sleepycat Software Releases New Version of Berkeley DB

New High Availability Features and Efficiency Improvements Give Developers

Greater Control and Superior Performance

Nov 29, 2005, 00:00 ET from Sleepycat Software, Inc.

    EMERYVILLE, Calif., Nov. 29 /PRNewswire/ -- Sleepycat Software, makers of
 the world's most widely deployed open source developer databases, today
 announced the general availability of version 4.4 of Berkeley DB, their
 flagship database that is used in more than 200 million deployments.  A number
 of new replication features and efficiency improvements have been added in
 response to customer demand.
     Berkeley DB now supports in-memory replication, client-to-client
 replication, controls for throttling and delaying synchronization and master
 election speed-ups.  Additional feature additions include online Btree
 compaction and disk reclamation, abandoned lock removal, automated recovery
 serialization and a hot backup utility.
     "Sun Microsystems uses Berkeley DB within several products in our software
 portfolio such as the Sun Java System Portal Server, Identity Manager and
 Directory Server," said William Franklin, Senior Director, Database Technology
 at Sun Microsystems.  "Berkeley DB 4.4 adds a number of important enhancements
 that we will be able to leverage.  We value Sleepycat products' consistently
 high performance, reliability and scalability."
     "Berkeley DB has for many years been one of the options available within
 MySQL's pluggable storage engine architecture," said Marten Mickos, CEO of
 MySQL AB.  "Developers can choose the storage engine whose features and
 performance best meets the needs of the application.  Berkeley DB is very fast
 and supports ACID transactions, and we continue to collaborate with Sleepycat
 to ensure our products are well integrated."
     "Berkeley DB's massive user base continues to help us advance the state of
 the art in database technology," said Mike Olson, CEO of Sleepycat Software.
 "Our latest release of Berkeley DB includes new features based on customer
 requests and delivers significant improvements in performance and flexibility
 for developers."
     New features in Berkeley DB version 4.4 include:
     -- In-memory replication;
     -- Client-to-client replication;
     -- Delayed client synchronization;
     -- Synchronization throttling;
     -- Master election speed-ups;
     -- Hot backup utility;
     -- Online Btree compaction;
     -- Online Btree disk space reclamation;
     -- Online abandoned lock removal;
     -- Automated recovery serialization;
     -- Transactional Application Developer's Guide.
     Berkeley DB 4.4 is available immediately under a dual license.  A no-cost
 open source license permits redistribution if the application using Berkeley
 DB is open source. A commercial license is available for redistribution of
 proprietary applications. Berkeley DB is available for download at: .
     About Sleepycat Software
     Sleepycat Software ( makes Berkeley DB, the most widely
 used open source developer database in the world with over 200 million
 deployments. Customers such as, AOL, Cisco Systems, EMC, Google,
 Hitachi, HP, Motorola, RSA Security, Sun Microsystems, TIBCO and VERITAS also
 rely on Berkeley DB for fast, scalable, reliable and cost-effective data
 management for their mission-critical applications. Profitable since it was
 founded in 1996, Sleepycat is a privately held company with offices in
 California, Massachusetts and the United Kingdom.
     NOTE:  Sleepycat Software and Berkeley DB are trademarks of Sleepycat
 Software, Inc. All other product or service names are the property of their
 respective owners.
     Editorial Contact:
     Sleepycat Software
     Craig Oda
     Ph:  +1-650-565-9800, ext. 102

SOURCE Sleepycat Software, Inc.