Is this kind of Visualization possible in Splunk?
Nope, not available in Splunk by default.
You can however try searching all visualization add-ons on Splunkbase.
Hope that helps - if it does I'd be happy if you would upvote/accept this answer, so others could profit from it. 🙂
View solution in original post
This chart can be formed by Donut Chart splunk App.