Ruby Garbage Collection Deep Dive: GC::INTERNAL_CONSTANTS - Joy of Computing
Understanding Ruby GC through GC.stat
Even though Garbage Collector handles the memory in Ruby, it's wise to know how it works to achieve better results. Check out my recent article on how Ruby manages numbers in particular. :
Garbage collection (computer science) - Wikipedia
Ruby Garbage Collection Deep Dive: Compaction | Jemma Issroff