Thanks for the help, everyone! This is a great milestone for Cassandra. On Tue, Oct 18, 2011 at 7:01 AM, Sylvain Lebresne <sylv...@datastax.com> wrote: > The Cassandra team is very pleased to announce the release of Apache Cassandra > version 1.0.0. Cassandra 1.0.0 is a new major release that build upon the > awesomeness of previous versions and adds numerous improvements[1,2], amongst > which: > - Compression of on-disk data files (SSTables), with checksummed blocks to > protect against bitrot[4]. > - Improvements to memory management through off-heap caches, arena > allocation and automatic self-tuning, for less GC pauses and more > predictable performances[5]. > - Better disk-space management: better control of the space taken by commit > logs and immediate deletion of obsolete data files. > - New optional leveled compaction strategy with more predictable performance > and fixed sstable size[6]. > - Improved hinted handoffs, leading to less need for read repair for > better read performances. > - Lots of improvements to performance[7], CQL, repair, easier operation, > etc[8]... > > And as is the rule for some time now, rolling upgrades from previous versions > are supported, so there is nothing stopping you to get all those goodies right > now! > > Both source and binary distributions of Cassandra 1.0.0 can be downloaded at: > > http://cassandra.apache.org/download/ > > Or you can use the debian package available from the project APT repository[3] > (you will need to use the 10x series). > > The download page also link to the CQL drivers that, from this release on, are > maintained out of tree[9]. > > > That's all folks! > > [1]: http://goo.gl/t3qpw (CHANGES.txt) > [2]: http://goo.gl/6t0qN (NEWS.txt) > [3]: http://wiki.apache.org/cassandra/DebianPackaging > [4]: http://www.datastax.com/dev/blog/whats-new-in-cassandra-1-0-compression > [5]: > http://www.datastax.com/dev/blog/whats-new-in-cassandra-1-0-improved-memory-and-disk-space-management > [6]: http://www.datastax.com/dev/blog/leveled-compaction-in-apache-cassandra > [7]: http://www.datastax.com/dev/blog/whats-new-in-cassandra-1-0-performance > [8]: > http://www.datastax.com/dev/blog/whats-new-in-cassandra-1-0-windows-service-new-cql-clients-and-more > [9]: http://acunu.com/blogs/eric-evans/cassandra-drivers-released/ >
-- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
