Debraj Manna wrote: > Mark > > Is this time expected? I mean 17 minutes for 490 GB. I could not find any > benchmark for pg_upgrade. Maybe, or maybe not. Perhaps you can profile the process, to see if any hot-spot becomes apparent, which can then be fixed. Did you already test your applications with pg10? -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services