Investigate Rails application memory limits
The following discussion from !45116 (merged) should be addressed:
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@ayufan started a discussion: (+33 comments) I'm not convinced that we should use such big defaults for on-premise installations. This is a big jump and a big change in requirements. I believe it should go through QA reference architecture review to understand how this affects our requirements. For GitLab.com we always had different limits, as we basically have "unlimited" system memory and we optimise towards latency instead of memory requirements.
Is there a smaller limit that we could put?
@grantyoung How we could validate the impact of this change?
Note from @ayufan:
This thread contains a ton of interesting discussion for reference to take into consideration when looking at this topic.