Zombie Processes are Eating your Memory
https://randomascii.wordpress.com/2018/02/11/zombie-processes-are-eating-your-memory/ [randomascii.wordpress.com]
2018-02-20 15:40
It occurred to me that one cause of zombie processes could be one process failing to close the handles to other processes. And the great thing about having a huge number of zombies is that they are harder to hide.