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ALERT: Many Cassandra users may need an urgent upgrade

by | Jul 28, 2021 | Cassandra

Cassandra 4.0 GA was released on 26th July 2021. It’s a great version, with lots of new features and optimisations! But… what happens to the older versions?

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Last time I checked, some months ago, apparently some old versions users would need to upgrade quickly, because their versions would reach their EOL in 6 months from the release of Cassandra 4.0 GA. But now that 4.0 is released I’ve checked again, and…

  • Cassandra 2.1 is unsupported already.
  • Cassandra 2.2 will reach its EOL on April 2022, currently only critical bugs are fixed. Note that vendors definition of critical rarely matches users definition.
  • Cassandra 3 will reach its EOL on April 2022, currently it’s supported.

If you use Cassandra 2.* you already in trouble, though if you use 2.2 your troubles are moderated. In all cases, the time to upgrade is short, you need to act now.

If you need expert help at upgrading a Cassandra cluster, consider our Database Upgrades service.

Federico Razzoli

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About Federico Razzoli
Federico Razzoli is a database professional, with a preference for open source databases, who has been working with DBMSs since year 2000. In the past 20+ years, he served in a number of companies as a DBA, Database Engineer, Database Consultant and Software Developer. In 2016, Federico summarized his extensive experience with MariaDB in the “Mastering MariaDB” book published by Packt. Being an experienced database events speaker, Federico speaks at professional conferences and meetups and conducts database trainings. He is also a supporter and advocate of open source software. As the Director of Vettabase, Federico does business worldwide but prefers to do it from Scotland where he lives.

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