So far, the solution has been scalable and has met our needs. 

We're an enterprise-level company.

It is not too hard to use the scalability feature of the product, though it may be a challenge for people to get used to it. Scalability-wise, I rate the solution a six out of ten.

I rate Codebeamer ten out of ten for scalability.

The scalability of the product is good.

It's a highly scalable solution compared to any other competitors in the market. In fact, this is one point wherein I rate this tool on top of all the other tools. When I say other tools, I am referring to PTC Integrity, Polarion, and IBM.

We use multiple platforms (Windows, Linux, Docker), and have had no scalability issues so far. Developer provides performance test measures for large (more than one thousand users) systems.