I once wrote a Jenkins job that created a sub directory every time it ran, if it didn’t exist and somehow managed to write it so every time it ran it went anoth

I once wrote a Jenkins job that created a sub directory every time it ran, if it didn’t exist and somehow managed to write it so every time it ran it went another layer deep, adding another nested subdirectory each time and it was set to reuse the same workspace. After a few months, all the jobs on the server started failing because the worker node ran out of inodes. And that was my introduction to idempotence.