I upgraded WP to 2.3.1 a few days ago. Everything went well.
Until today I see that the admin pages (Themes, Plugins, Edit and so on) are very very slow - I have to wait 30 to 60 seconds.
The blog pages are build normally - less in 1 second. So the readers of my blog don't see a difference.
I deleted all unused plugins and themes.
I wrote a message to my provider - but the server is running normally.
What is wrong?