[tor-bugs] #24857 [Core Tor/Tor]: tor 0.3.1.9 100% cpu load

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#24857: tor 0.3.1.9 100% cpu load
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 Reporter:  Eugene646     |          Owner:  (none)
     Type:  defect        |         Status:  needs_information
 Priority:  Medium        |      Milestone:
Component:  Core Tor/Tor  |        Version:  Tor: 0.3.1.9
 Severity:  Normal        |     Resolution:
 Keywords:  cpu, windows  |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
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Comment (by mr_rokman):

 I'm also experiencing same issue. System is Win7 64-bit on Intel E6850,
 Tor version is 0.3.1.9, running as service, non-exit, non-bridge relay,
 although DirPort is enabled. From time to time Tor process start consuming
 100% of both CPU cores, network activity during this spikes on both ORPort
 and DirPort is next to nothing (1-3 kbps). These spikes' pattern also does
 not depend on whenever I'm using relay myself. Moreover, task manager
 shows ~50% of kernel time of CPU utilization (some file/network operations
 maybe).

 I have fragment of 'debug'-level logfile which is very big to post but I
 could do some parsing on it (like count repeating lines and comparing it
 to 'notice'-level log), I could also post torrc contents.

 Or maybe I should create another ticket? Child ticket possibly?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24857#comment:3>
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