The Scylla team is pleased to announce the release of Scylla 2.3, a production-ready Scylla Open Source minor release. The Scylla 2.3 release includes CQL enhancements, new troubleshooting tools, performance improvements and more. Experimental features include Materialized Views, Secondary Indexes, and Hinted Handoff (details below). Starting from Scylla 2.3, packages are also available for Ubuntu 18.04 and Debian 9. Scylla is an open source, Apache Cassandra-compatible NoSQL database, with superior performance and consistently low latency. Find the Scylla 2.3 repository for your Linux distribution here. Our open source policy is to support only the current active release and its predecessor. […]
Large partitions, although supported by Scylla, are also well known for causing performance issues. Fortunately, release 2.3 comes with a helping hand for discovering and investigating large partitions present in a cluster — system.large_partitions table. Large partitions CQL, as a data modeling language, aims towards very good readability and hiding unneeded implementation details from users. As a result, sometimes it’s not clear why a very simple data model suffers from unexpected performance problems. One of the potential suspects might be large partitions. Our blog entry on large partitions contains a detailed explanation on why coping with large partitions is important. […]
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