I remember one of those sysadmin stories, where a multi-terabyte `cp` command had seemingly completed all of its work, but was sticking around for days; slowly

I remember one of those sysadmin stories, where a multi-terabyte `cp` command had seemingly completed all of its work, but was sticking around for days; slowly and pointlessly free()ing the 17GB hash table of hardlinks that it had built up; when it could have just exited and let the OS reclaim the memory. https://lists.gnu.org/archive/html/coreutils/2014-08/msg00012.html https://lists.gnu.org/archive/html/coreutils/2014-08/msg0001...