METRONOM, a multinational B2B Supermarket, migrated round 80 clusters with over 500 nodes from Rackspace in the UK to Google Cloud in Belgium, saving money and surviving Brexit. This is the story of how we managed this with zero production downtime, the problems and solutions we encountered on the way. An example of using Cassandra DCs to migrate data across geographical boundaries.

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Speakers

Gilberto Müller

Engineering Manager at METRO

Paul Chandler

Cassandra Consultant at Metronom