The Storm UI depicts some very vital and important aspects of the Storm cluster and topology. Some of the aspects that Storm depicts form the cardinal rules for optimizing the performance. But, before we talk about the performance, let's befriend the Storm UI and its parameters through series of captures from the Storm UI and descriptions of the same.
The landing page on Storm UI first talks about Cluster Summary, as shown in the following screenshot:
A brief description of the columns available in Cluster Summary, is as follows: