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> Lol. If that's true (and I'm not disputing it) then how would switching to MySQL fix that problem? It's explained in the blog the great-grandparent linked:

• rosser 9y ago
  Uber's explanation of the problem neglects to consider their poor usage of the tool as contributory to the problem.
  • dozzie 9y ago
    That's why there were so many rebuttals to their arguments.
  • Thaxll 9y ago
    Even Postgres dev ack the problem they had, don't try to dismiss the issue it's real.
    • jtc331 9y ago
      There is a real issue, yes, but it’s heavily lessened by using sane scheme design, while Uber basically used the worst possible design.
    • rosser 9y ago
      Can you point out where I dismissed anything? PostgreSQL has a write-amplification issue — especially when you index every column on a table. My point is: if you don't do that, it doesn't hurt.