Is it sensible to use a ramdisk on a build server?

Question

At my company we are currently researching various strategies for speeding up our CI builds. We have profiled our builds and determined that we are constrained by an I/O bottlen

Answer 1

As long as you have enough memory, it's a very sensible thing to do.

The only real drawback is, naturally, your build gets lost on shutdown/power failure which usually isn't a big concern for the CI builds.