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Of the three DB products mentioned in the tweet, only one is a non-traditional database: DynamoDB. Both Redshift and Aurora are traditional RDBMs, which are for
by unscaled 8y ago
Of the three DB products mentioned in the tweet, only one is a non-traditional database: DynamoDB.
Both Redshift and Aurora are traditional RDBMs, which are forked from very old codebases.
Redshift is a fork of Postgres 8.0 that was adapted for OLAP use-cases, while Aurora is a fork of MySQL (or PostgreSQL in the PostgreSQL-compatible versions) that runs on a custom storage engine.
The main reason technically-capable companies like Amazon or Netflix are moving away Oracle has nothing to do with horizontal scaling. It's the licensing costs.
Oracle is just too expensive for them, and even if you are not Amazon yourself, RDS (or any other Cloud RDBMS) would be much cheaper for you.