>GitLab has memory leaks. These memory leaks manifest themselves in long-running processes, such as Unicorn workers. (The Unicorn master process is not known to leak memory, probably because it does not handle user requests.)
>To make these memory leaks manageable, GitLab comes with the unicorn-worker-killer gem. This gem monkey-patches the Unicorn workers to do a memory self-check after every 16 requests. If the memory of the Unicorn worker exceeds a pre-set limit then the worker process exits. *
I know this is a Rails issue, but I cannot believe this is still a problem. I remember when the RoR folks blamed the Rails memory leaks on Zed, and Mongrel, more than a decade ago. They were obviously incorrect. Did the community simply give up on fixing the problem?
>To make these memory leaks manageable, GitLab comes with the unicorn-worker-killer gem. This gem monkey-patches the Unicorn workers to do a memory self-check after every 16 requests. If the memory of the Unicorn worker exceeds a pre-set limit then the worker process exits. *
I know this is a Rails issue, but I cannot believe this is still a problem. I remember when the RoR folks blamed the Rails memory leaks on Zed, and Mongrel, more than a decade ago. They were obviously incorrect. Did the community simply give up on fixing the problem?
* https://docs.gitlab.com/ee/administration/operations/unicorn...