Congrats! In 0.8, the schema disagreement occurs sometimes when I create keyspaces/column families dynamically, is this also fixed?
Regards. On Tue, Oct 18, 2011 at 9:20 PM, Jonathan Ellis <jbel...@gmail.com> wrote: > Short version: yes, 1.0 addresses the known repair problems. > > On Tue, Oct 18, 2011 at 7:29 AM, Maxim Potekhin <potek...@bnl.gov> wrote: > > There was a problem in early 0.8 where the repair was taking > > forever -- am I right to assume this was fixed in 1.0? > > > > Many thanks to you guys, > > > > Maxim > > > > > > On 10/18/2011 2:25 PM, Thibaut Britz wrote: > >> > >> Great news! > >> > >> Especially the improved read performance and compactions are great! > >> > >> Thanks, > >> Thibaut > >> > >> > >> On Tue, Oct 18, 2011 at 2:11 PM, Jonathan Ellis<jbel...@gmail.com> > wrote: > >>> > >>> 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 > >>> > > > > > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of DataStax, the source for professional Cassandra support > http://www.datastax.com > -- Dikang Gu 0086 - 18611140205
