The port sets WITH_DEBUG=yes, which generates giganormous packages with debug informations. It should not be required, so it should be removed.
A commit references this bug: Author: mat Date: Mon Jun 11 12:01:00 UTC 2018 New revision: 472187 URL: https://svnweb.freebsd.org/changeset/ports/472187 Log: Remove inconditionnal WITH_DEBUG. mongodb works just fine without it, and it leads to packages that are 10 times bigger than needed. PR: 228494 Submitted by: mat Sponsored by: Absolight Changes: head/databases/mongodb34/Makefile head/databases/mongodb34-rocks/Makefile head/databases/mongodb36/Makefile