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From Jonathan Ellis <>
Subject Time for 1.0
Date Wed, 12 Jan 2011 01:35:35 GMT
Way back in Nov 09, we did a users survey and asked what features
people wanted to see.  Here was my summary of the responses:

Looking at that, we've done essentially all of them.  I think we can
make a strong case that our next release should be 1.0; it's
production ready, it's reasonably feature-complete, it's documented,
and we know what our upgrade path story is.

The list--

Load balancing: basics done; is open to
improve it

Decommission: done

Map/reduce support: done

ColumnFamily / Keyspace definitions w/o restart: done

Design documentation: started at

Insert multiple rows at once: done

Remove_slice_range / remove_key_range: turned out to be a *lot* harder
than it looks at first.  Postponed indefinitely.

Secondary indexing: done

Caching: done (with some enhancements possible such as and

Bulk delete (truncate): done

I would add,

User documentation: done (

Large row support: done

Improved replication strategies and more sophisticated ConsistencyLevels: done

Efficient bootstrap/streaming: done

Flow control: done

Network-level compatibility between releases: scheduled

Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support

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