Apache Cassandra Changelog

What's new in Apache Cassandra 2.0.1

• Fix bug that could allow reading deleted data temporarily (CASSANDRA-6025)
• Improve memory use defaults (CASSANDRA-5069)
• Make ThriftServer more easlly extensible (CASSANDRA-6058)
• Remove Hadoop dependency from ITransportFactory (CASSANDRA-6062)
• add file_cache_size_in_mb setting (CASSANDRA-5661)
• Improve error message when yaml contains invalid properties (CASSANDRA-5958)
• Improve leveled compaction's ability to find non-overlapping L0 compactions to work on concurrently (CASSANDRA-5921)
• Notify indexer of columns shadowed by range tombstones (CASSANDRA-5614)
• Log Merkle tree stats (CASSANDRA-2698)
• Switch from crc32 to adler32 for compressed sstable checksums (CASSANDRA-5862)
• Improve offheap memcpy performance (CASSANDRA-5884)
• Use a range aware scanner for cleanup (CASSANDRA-2524)
• Cleanup doesn't need to inspect sstables that contain only local data (CASSANDRA-5722)
• Add ability for CQL3 to list partition keys (CASSANDRA-4536)
• Improve native protocol serialization (CASSANDRA-5664)
• Upgrade Thrift to 0.9.1 (CASSANDRA-5923)
• Require superuser status for adding triggers (CASSANDRA-5963)
• Make standalone scrubber handle old and new style leveled manifest (CASSANDRA-6005)
• Fix paxos bugs (CASSANDRA-6012, 6013, 6023)
• Fix paged ranges with multiple replicas (CASSANDRA-6004)
• Fix potential AssertionError during tracing (CASSANDRA-6041)
• Fix NPE in sstablesplit (CASSANDRA-6027)
• Migrate pre-2.0 key/value/column aliases to system.schema_columns (CASSANDRA-6009)
• Paging filter empty rows too agressively (CASSANDRA-6040)
• Support variadic parameters for IN clauses (CASSANDRA-4210)
• cqlsh: return the result of CAS writes (CASSANDRA-5796)
• Fix validation of IN clauses with 2ndary indexes (CASSANDRA-6050)
• Support named bind variables in CQL (CASSANDRA-6033)
• Merged from 1.2:
• Allow cache-keys-to-save to be set at runtime (CASSANDRA-5980)
• Avoid second-guessing out-of-space state (CASSANDRA-5605)
• Tuning knobs for dealing with large blobs and many CFs (CASSANDRA-5982)
• (Hadoop) Fix CQLRW for thrift tables (CASSANDRA-6002)
• Fix possible divide-by-zero in HHOM (CASSANDRA-5990)
• Allow local batchlog writes for CL.ANY (CASSANDRA-5967)
• Upgrade metrics-core to version 2.2.0 (CASSANDRA-5947)
• Add snitch, schema version, cluster, partitioner to JMX (CASSANDRA-5881)
• Fix CqlRecordWriter with composite keys (CASSANDRA-5949)
• Add snitch, schema version, cluster, partitioner to JMX (CASSANDRA-5881)
• Allow disabling SlabAllocator (CASSANDRA-5935)
• Make user-defined compaction JMX blocking (CASSANDRA-4952)
• Fix streaming does not transfer wrapped range (CASSANDRA-5948)
• Fix loading index summary containing empty key (CASSANDRA-5965)
• Correctly handle limits in CompositesSearcher (CASSANDRA-5975)
• Pig: handle CQL collections (CASSANDRA-5867)
• Pass the updated cf to the PRSI index() method (CASSANDRA-5999)
• Allow empty CQL3 batches (as no-op) (CASSANDRA-5994)
• Support null in CQL3 functions (CASSANDRA-5910)
• Replace the deprecated MapMaker with CacheLoader (CASSANDRA-6007)
• Add SSTableDeletingNotification to DataTracker (CASSANDRA-6010)
• Fix snapshots in use get deleted during snapshot repair (CASSANDRA-6011)
• Move hints and exception count to o.a.c.metrics (CASSANDRA-6017)
• Fix memory leak in snapshot repair (CASSANDRA-6047)
• Fix sstable2sjon for CQL3 tables (CASSANDRA-5852)