Memory Leak Whack-a-Mole
October 27, 2016
https://www.flickr.com/photos/tpapi/2765541278Memory leaks happen. They shouldn’t, but you just can’t squash enough of them. Or the leak is so slow that it takes hours to manifest. The trouble with memory leaks is that they are permanent for the life of a process. Once a process has expanded its VSZ, there’s no way in Unix to shrink it. So your process starts to bloat, eventually your servers page and thrash. Performance tanks. Then your pager starts going off and there goes your beauty sleep.