Maybe you need to run jenkins under a better/faster filesystem. We use jenkins as well, and our deeply nested directories are deleted in under a tenth of a second.
I feel like your complaints are a user problem. I don't have the "too many files" issue when I use vim.
The OS is Windows, and Jenkins handles everything else just fine. It's just the Node projects that ever have issues. Of course, it's easier to blame the OS.
I feel like your complaints are a user problem. I don't have the "too many files" issue when I use vim.