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Salvatore Sanfilippo wrote a response to Michel Martens' An Open Minded Reader. There's nothing in the post or response that's controversial. I was just struck at what a clear explication the conversation was on all the effort that goes into optimizing read paths. We optimize reads through denormalisation, a crazy quilt of caching layers, key-value databases, clustering of related tables, SSD/RAM, DHTs, moving functions to storage, secondary indexes, separating OLAP from OLTP, etc etc. We often focus so much on specific techniques that we can forget the bigger picture of what's going on. This little exchange made me look again at the forest, not just the trees.
Michel Martens: