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Database Replication is Hard

I can only feel sympathy for the team at GitHub, after they suffered an outage recently, due to issues with database replication.  The problem was caused by a mere 43-second break in network connectivity.  We’ve all been there – keeping replicated data in sync is a thankless task and one that can be a nightmare… Read more »

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AWS and VMware Partner to Bring RDS for the Enterprise

At VMworld 2018, Amazon Web Services and VMware jointly announced a preview of AWS RDS, called RDS on VMware.  The Relational Database Service will in the future be able to run on-premises using VMware vSphere. VMworld 2018 – Divergent VMware VMware on Azure?  Great! Or Maybe Not Enterprise-Class Public Cloud How does this position the… Read more »

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Cloud Data Migration – Database Import Tools

This is one of a series of posts discussing techniques for moving data to and from public cloud.  Previous posts have covered physical appliances and the shipping of virtual machines. Cloud Data Migration – Shipping Virtual Machines Cloud Data Migration – Data Transfer Using Physical Shipping & Appliances Amazon Web Services Another option for moving… Read more »

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Google Spanner – fixing the problem of distributed SQL databases

I’ve been messing about with databases for a long time.  I say “messing about” because I’ve never officially been a DBA.  But as a systems programmer and storage administrator, I’ve been on the periphery of the application layer and of course I’ve deployed many personal databases.  I was intrigued to read about the new global… Read more »