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›All Blog Posts

All Blog Posts

  • Redis TLS was a big hit to performance – a look at how KeyDB addressed it
  • The effects of Redis SCAN on performance and how KeyDB improved it
  • Comparing the new Redis6 multithreaded I/O to Elasticache & KeyDB
  • Optimizing Git For Ryzen CPUs (1.5x Faster)
  • Benchmarking the AWS Graviton2 with KeyDB – M6g up to 65% faster
  • Why Nobody Pays for Database Software
  • High Performance FLASH with KeyDB Pro and Multithreading
  • Selecting an AWS EC2 Instance for KeyDB
  • Single KeyDB Node Achieves Thoughput of a 7 Node Redis Cluster
  • Rethinking the Redis EXPIRE command
  • KeyDB Releases Version 5.1 – Check Out What’s New!
  • A Multithreaded Fork of Redis That’s 5X Faster Than Redis
  • What can you get today for under $1? Would you guess 23 billion ops out of your Database?
  • Eliminating the Need for Redis Sentinel with KeyDB Active Replication
  • Running KeyDB on Arm-based Amazon EC2 A1 Instances for the Best Price/Performance
  • Redis Replication and KeyDB Active Replication: Optimizing System Resources
  • How Fast can A Single Instance of Redis be?
  • A Brief History of Existential Threats to Open Source

Eliminating the Need for Redis Sentinel with KeyDB Active Replication

August 29, 2019

John Sully/Ben Schermel

Active Replication eliminates the need for having ‘monitoring sentinel nodes’ to decide when to perform failovers in a high availability setup. This also enables your active replica node to accept reads and writes while actively syncing with the other active replica node.

For a more in depth dive into benefits, possible performance gains, and setup configurations of an active replica setup vs typical, check out Redis Replication and KeyDB Active Replication: Optimizing System Resources for a High Availability Setup

To see how simple using active replication is, take a look at this brief demonstration:


KeyDB is an open source high performance fork of Redis and maintains full compatibility with Redis API’s, modules, and protocols. It offers a lot of other open source features including advanced multi-threading, FLASH storage, backup to AWS S3, and more.

You can check out the open source github project here!

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