[tor-dev] Memory usage on 0.3.4.8

Hi devs

After upgrade from 3.3.7 -> 3.4.8, I've noticed that memory usage is erratic. Please consult the image below, showing memory available in green and memory used in blue on a tor dedicate system.

[image: image.png]

The upgrade to 3.4.8 took place on Saturday in week 37. The connection count / load was relativity stable: [image: image.png] (green inbound, blue outbound) I was wondering if there were any changes from 3.3.7 to 3.4.8 which might impact memory behaviour on a middle-relay. I'm also wander what is the "source" of this usage?

Potentially relevant config entries (remainder is port/ip, accounting & exit(no)): MaxConsensusAgeForDiffs 4 hours DirCache 0 MaxMemInQueues 64 MB (but "defaulting" to 256mb now)

Thanks in advance Seb