We currently have a technical knowledge base that is used by our service desk and tech support field agents. Eventually we would like to attach it to our JIRA SD instance and expose some of the KB articles to end users for self-help. We also have a bunch of non-technical knowledge currently in a normal Confluence space. But these KB style articles could certainly benefit from the Confluence KB functionality (easy workflows, elegant search capability, etc). There is some overlap in audience for the two types of information, but not a lot.
Would it be better to set these up as 2 separate KBs or as one with some sort of categorization to separate the types of information and maybe 2 separate tag indexes on the single search page?