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From "Brian O'Neill" <b...@alumni.brown.edu>
Subject Re: [RELEASE] Apache Cassandra 1.0 released
Date Tue, 18 Oct 2011 12:54:36 GMT
1.0 FTW!
Nice work.

-brian

On Tue, Oct 18, 2011 at 8:32 AM, Viktor Jevdokimov <
Viktor.Jevdokimov@adform.com> wrote:

> Congrats!!!
>
>
> Best regards/ Pagarbiai
>
> Viktor Jevdokimov
> Senior Developer
>
> Email: Viktor.Jevdokimov@adform.com
> Phone: +370 5 212 3063
> Fax: +370 5 261 0453
>
> J. Jasinskio 16C,
> LT-01112 Vilnius,
> Lithuania
>
>
>
> Disclaimer: The information contained in this message and attachments is
> intended solely for the attention and use of the named addressee and may be
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> the information remains the property of the sender. You must not use,
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> received this message in error, please contact the sender immediately and
> irrevocably delete this message and any copies.-----Original Message-----
> From: Sylvain Lebresne [mailto:sylvain@datastax.com]
> Sent: Tuesday, October 18, 2011 15:02
> To: user@cassandra.apache.org
> Subject: [RELEASE] Apache Cassandra 1.0 released
>
> 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/
>
>
>


-- 
Brian ONeill
Lead Architect, Health Market Science (http://healthmarketscience.com)
mobile:215.588.6024
blog: http://weblogs.java.net/blog/boneill42/
blog: http://brianoneill.blogspot.com/

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