Forum Post: Performance Hit After Upgrading From 10.2.b To 11.5 On Db & Appserver

[GarthBond]

Hi Folks, We have just switched over and upgraded our Data Center from 10.2.B to 11.5. I.e. upgraded our AppServer and Database server. Although we are busy with Month-End processes, which is our busiest times, our entire system was very slow and unresponsive. What we did notice is the IO to our SAN system was maxing out and we are ,looking at ways to split the IO traffic, I have two questions, namely:- Has anyone experience a degradation in performance after upgrading from 10.2.B to 11.5 and if so, were you able to isolate what caused the degradation. Can someone point me to a good reference document on High_Availability and the various options available to Progress based platforms? Please advise Garth

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