We've recently identified a severe performance problem with RPE 18.104.22.168 .More information on the problem and how to address it are available here.
Pinned topic RPE 22.214.171.124 HotFix for Dynamic Data Source performance
chowel12 100000JH7511 Posts
Kumaraswamy M 270005NRD6128 Posts
Dragos.Cojocari 270001QUCG1430 PostsACCEPTED ANSWER
Re: RPE 126.96.36.199 HotFix for Dynamic Data Source performance2013-10-31T08:51:42Z in response to Kumaraswamy M
Correct, RPE 1.2.1 includes the fix but not in the GA build as we have identified an fixed the issue past the bit freeze of the 1.2.1 release. The fix for this issue will be provided for 1.2.1 as a hotfix as well.
See the note on this post: http://rpeactual.com/2013/10/30/rpe-1-2-1/
DragosUpdated on 2013-10-31T08:52:00Z at 2013-10-31T08:52:00Z by Dragos.Cojocari