The only thing I know is that it refers to the use of memory but define pile and why it happens so often ?
Related: What are and where are the "stack" and "heap"?
– user28595
On nomenclature: stack track == stacktrace (source http://homepages.dcc.ufmg.br/~rimsa/Documents/decom009/lessons/Aula08.pdf )
– Jefferson Quesado