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How to design a DBMS for Telco requirements

My colleague Zhao Song  presented a walkthrough of the evolution of the DBMSs and how it relates to Google Spanner, Aurora, PolarDB and MyS...

I had some interesting discussions with him on the topic and it makes sense to return to the 1990s when I designed NDB Cluster and the impact on the recovery algorithms from the requirements for a Telco DBMS. This was settled by the fact that latency requirement was to handle transactions involving tens of rows within around 10 milliseconds, thus with the hard drives of those days not really possible. MySQL NDB Cluster has been used at this level for more than 20 years and continues to serve billions of people with a highly available service.

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