Table of Contents

Introduction

Squirro can be run as a clustered application across multiple hosts, to provide high availability and horizontal scaling.

...

Reduced number of nodes in BCP

The ideal setup is to run production and BCP with the exact same setup. This way the user experience will not degrade when a failover to BCP occurs.
It is however possible to run a reduced setup in BCP. E.g. instead of 3 nodes, only 1 node can be used.

Note that you should never run an even number of Squirro application and Elasticsearch nodes since both system benefit from the ability to build quorums to detect and handle network segmentation events.

...