[tor-bugs] #19819 [Core Tor]: 100% CPU usage and restarts after upgrade from 0.2.8.5-rc to 0.2.8.6

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#19819: 100% CPU usage and restarts after upgrade from 0.2.8.5-rc to 0.2.8.6
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 Reporter:  hacktic   |          Owner:
     Type:  defect    |         Status:  new
 Priority:  High      |      Milestone:  Tor: 0.2.8.x-final
Component:  Core Tor  |        Version:  Tor: 0.2.8.6
 Severity:  Major     |     Resolution:
 Keywords:            |  Actual Points:
Parent ID:            |         Points:
 Reviewer:            |        Sponsor:
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Comment (by hacktic):

 Update: couldnt get systemd timeout increased somehow (TimeoutSec=infinity
 etc.)

 ended up deleting cached-descriptors  cached-descriptors.new cached-
 microdescs cached-microdescs.new, restarted and now its running again.

 My theory is that once my box runs for a couple of days (it was running
 for about 1 week earlier) it builds up enough of a cache that on restart
 it will hit the systemd service timeout, is there a way to limit the cache
 created ?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19819#comment:2>
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