Hi Dirk, the info reported by "top" (or "ps") is not useful to judge effective process memory usage, it does not account for c-o-w and simply displays the entire virtual allocated memory by a process.
When I was asking for specific evidence I was thinking along the lines of OOM conditions that didn't happen before the change and other similar symptoms like that. Unfortunately the LEDE kernels do not provide /proc/$pid/smaps information which would make tracking actual memory usage way simpler but here's some useful links nonetheless which explain the topic a bit further: https://serverfault.com/questions/440115/how-do-you-measure-the-memory-footprint-of-a-set-of-forked-processes https://jameshunt.us/writings/smaps.html Regards, Jo
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