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History of the Cassandra database:

  • Amazon’s dynamo and Prashant malik are written by Avinash Lakshman at first succeed Cassandra at Facebook to capable the Facebook inbox search purpose.
  • In July 2008,Facebook published Cassandra as an open-source project on Google code.
  • In March 2009 it develop an Apache incubator project.
  • On february 17, 2010 it qualify to a top-ranking project.
history of database

Releases after graduation include

  • Added help for integrated caching, and Apache Hadoop MapReduce distributed 0.6 in Apr 12 2010.
  • Added secondary indexes and online schema changes distributed 0.7 in Jan 08 2011.
  • Added the Cassandra Query Language (CQL), self-tuning memTables, and help for zero-downtime upgrades distributed 0.8 in Jun 2 2011.
  • Added integrated compression, levelled compaction, and improved read-performance distributed 1.0 in Oct 17 2011,
  • Added self-tuning caches, row-level isolation, and support for mixed ssd/spinning disk deployments distributed 1.1 in Apr 23 2012,
  • Added clustering among virtual nodes, inter-node communication, atomic batches, and request tracing distributed 1.2 in Jan 2 2013,
  • Added lightweight transactions (based on the Paxos consensus protocol), triggers, improved compactions distributed 2.0 in Sep 4 2013,
  • In Sep 10 2014 publish 2.1
  • In July 20, 2015 publish 2.2
  • In November 11, 2015 publish 3.0
  • Monthly publish tick-tock like release model in 3.1 across 3.10. When even-numbered contain both bug fixes and new features while odd-numbered involve bug fixes only.
  • In June 23, 2017 publish 3.11 as a stable and it distributed series and bug fix from the last tick-tock characteristic publish.
history of the cassandra database
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