Even if it’s only the 4th minor release since Cassandra reached the 1.0 version mid-October, these maintenance updates have brought over 100 bug fixes and improvements.

The list of changes in Cassandra 1.0.4 release:

• fix self-hinting of timed out read repair updates and make hinted handoff less prone to OOMing a coordinator (CASSANDRA-3440)
• expose bloom filter sizes via JMX (CASSANDRA-3495)
• enforce RP tokens 0..2**127 (CASSANDRA-3501)
• canonicalize paths exposed through JMX (CASSANDRA-3504)
• fix “liveSize” stat when sstables are removed (CASSANDRA-3496)
• add bloom filter FP rates to nodetool cfstats (CASSANDRA-3347)
• record partitioner in sstable metadata component (CASSANDRA-3407)
• add new upgradesstables nodetool command (CASSANDRA-3406)
• skip —debug requirement to see common exceptions in CLI (CASSANDRA-3508)
• fix incorrect query results due to invalid max timestamp (CASSANDRA-3510)
• fix ConcurrentModificationException in Table.all() (CASSANDRA-3529)
• make sstableloader recognize compressed sstables (CASSANDRA-3521)
• avoids race in OutboundTcpConnection in multi-DC setups (CASSANDRA-3530)
• use SETLOCAL in cassandra.bat (CASANDRA-3506) Merged from 0.8:
• fix concurrence issue in the FailureDetector (CASSANDRA-3519)
• fix array out of bounds error in counter shard removal (CASSANDRA-3514)
• avoid dropping tombstones when they might still be needed to shadow data in a different sstable (CASSANDRA-2786)

Frequent releases are the sign of a very active and involved community working on a fastly evolving technology and not those of a buggy product.

Original title and link: Cassandra 1.0.4 Maintenance Release (NoSQL database©myNoSQL)