[tor-bugs] #22255 [Core Tor/Tor]: Frequent OOM kills of tor process

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Jan 1 22:05:49 UTC 2018


#22255: Frequent OOM kills of tor process
--------------------------+------------------------------------
 Reporter:  DeS           |          Owner:  (none)
     Type:  defect        |         Status:  closed
 Priority:  High          |      Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Major         |     Resolution:  fixed
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------------

Comment (by teor):

 Replying to [comment:78 starlight]:
 > please allow me to jump in here with some advice:
 >
 > 0.3.2.8-rc fixed the problem for you most likely due to #24666, which
 dramatically reduces memory consumption w/r/t DESTROY cells
 >
 > however I see above an assumption that on a 4G machine
 MaxMemInQueues=1650MB is reasonable -- without a doubt this value is much
 too high
 >
 > empirical observation indicates the daemon consumes 2x MaxMemInQueues
 once the actual maximum has been obtained (most likely due to sniper
 attacks)

 I'd still like to see someone repeat this analysis with 0.3.2.8-rc, and
 post the results to #24737.
 It's going to be hard for us to close that ticket without any idea of the
 effect of our changes.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22255#comment:79>
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