slisznia

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Created
September 21, 2013 (12y ago)
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  1. Our application requires that we keep a massive immutable ledger of past financial states (in billions of rows). For example, consider a customer's current balance together with the history of all transactions that led…

  2. We migrated from MySQL RDS/AZ to Aurora and a number of our queries became ~22% slower. Old DB: t2.medium RDS AZ New DB: Aurora r3.large For example, a representative set of SELECT queries run against both DBs: $ time…