Scylla Blog

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Posts with tag "repair"


Introducing Scylla Open Source 3.1

The Scylla team is pleased to announce the availability of Scylla Open Source 3.1.0, a production-ready release of our open source NoSQL database. Scylla is an open source NoSQL database offering the same Cassandra Query Language (CQL) interface as Apache Cassandra, along with the same horizontal scale-out and fault-tolerance characteristics. Implemented from scratch in C++ with a close-to-the-hardware architecture, Scylla delivers 10X the throughput, consistent, low single-digit latencies, and significantly reduces the number of database nodes you require and self-optimizes to dynamic workloads and various hardware combinations. With the release of Scylla Open Source 3.1, we’ve introduced a number of […]

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Scylla Open Source 3.1: Efficiently Maintaining Consistency with Row-Level Repair

Repair is one of several anti-entropy mechanisms in Scylla. It is used to synchronize data across replicas. In this post, we introduce a new repair algorithm coming with Scylla Open Source 3.1 that improves performance by operating at the row-level, rather than across entire partitions.

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Mutant Monitoring Systems (MMS) Day 4 – We Are Under Attack!

If you got this far, you have your Mutant Monitoring set up and running with the Mutant Catalog and Tracking keyspaces populated with data. We must now prepare to plan for disaster scenarios so that we know for sure that we can survive an attack. In this post, we will go through a node failure scenario and learn about consistency levels.

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Simplify Repairing your Scylla Cluster with Scylla Manager


We are happy to announce the first release of our new product, Scylla Manager, a management system that automates maintenance tasks on a Scylla cluster. In this release, we now provide a managed repair feature that will automatically run repairs on a cluster.

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Announcing Scylla Manager 1.0 – Centralized Administration and Task Automation


Scylla Manager Scylla Manager adds centralized cluster administration and recurrent tasks automation to Scylla Enterprise. Scylla Manager 1.0 includes automation of periodic repair, with future releases providing more capabilities, such as rolling upgrades, recurrent backup, and more. With time, Scylla Manager will become the focal point of Scylla Enterprise cluster management, including a GUI frontend. Scylla Manager is available for all Scylla Enterprise customers, or for a 30-day trial.

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