On Thu, 23 Sept 2021 at 09:23, Hitesh Kishorbhai Vaghani <hitesh.v@REDACTED> wrote: > Roger, > We are not using NIFs. We using heavy concurrent processing to reduce response time. how to check the default allocator? Erlang doesn't (in general) use glibc's allocator. If you're not using NIFs, that's not your problem.