Cassandra
Jonathan Ellis
Roadmap
Cassandra 0.3
Remove support
Range queries
Test suite
Workarounds for JDK bugs
Rudimentary multi-datacenter support
Cassandra 0.4
Branched May 18
Data file format change to support billions of rows per node instead of millions
API changes (no more colon delimiters)
Multi-table (keyspace) support
LRU key cache
fsync support
Web interface
CQL
Cassandra 0.5
Bootstrap
Load balancing Closely related to “bootstrap done right”
Merkle tree repair
Millions of columns per row This will require another data format change
Multiget
Callout support