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From the BCP NFS mount the contents of the cluster file system is synced with the Squirro cluster master. Optional: If both cluster are setup identical, the config files under /etc/squirro are also synced
Stage 9: Flushing Redis Cache
- To avoid stale caches, the Redis indexes are flushed on the Squirro cluster leader. The follower will replicate immediately to the same state.
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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.
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