[tor-bugs] #21312 [Obfuscation/Snowflake]: snowflake-client is pegged at 100% cpu

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Mar 21 00:33:43 UTC 2018

#21312: snowflake-client is pegged at 100% cpu
 Reporter:  arlolra                |          Owner:  arlolra
     Type:  defect                 |         Status:  needs_review
 Priority:  High                   |      Milestone:
Component:  Obfuscation/Snowflake  |        Version:
 Severity:  Major                  |     Resolution:
 Keywords:                         |  Actual Points:
Parent ID:                         |         Points:
 Reviewer:                         |        Sponsor:

Comment (by dcf):

 Replying to [comment:57 dcf]:
 > The patches from comment:54 have stopped the frequent crashes. Now the
 process is restarting according to schedule.
 > Here are the fd and memory graphs. Now we see memory slowly increasing
 over time--hard to say at this point whether it's just normal elevated
 usage or a leak. I'll leave the monitor running.

 Updates. Restarts are stable, memory and file descriptions seem fine.

 I'm thinking about losing the periodic restarts, and just putting a memory
 ulimit on the processes (just in case).




Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21312#comment:59>
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