G.W. Haywood wrote: > > As the box was still running Jessie I had to do the move in two bites. > First move from Jessie to Stretch, then from Stretch to Buster. The > entire process was a bit long-winded and spread over a couple of days, > but seemed to go smoothly enough. Immediately, the users started to > complain about performance. Not just a small reduction, but the sort > of thing that makes the whole system completely unusable. My estimate > after looking at the response on the desktop is several hundred times > slower than normal for this box. If you click on a message in the > list of messages presented by the mail client, instead of seeing the > message in under a second you can go and have a coffee break and still > get back before it's shown on the screen.
> What can possibly cause such a drastic reduction in performance? Go to /etc/nsswitch.conf If these lines look like this passwd: compat systemd group: compat systemd shadow: compat systemd remove the systemd references. If performance improves immensely immediately after the edit, that was the problem. -dsr-
