[tor-bugs] #20335 [Metrics/CollecTor]: ReferenceChecker causes OOM

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#20335: ReferenceChecker causes OOM
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     Reporter:  iwakeh             |      Owner:
         Type:  defect             |     Status:  new
     Priority:  Medium             |  Milestone:
    Component:  Metrics/CollecTor  |    Version:
     Severity:  Normal             |   Keywords:
Actual Points:                     |  Parent ID:
       Points:                     |   Reviewer:
      Sponsor:                     |
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 In general, statistics and analysis should be separated from normal
 functioning.

 After a sync-run ReferenceChecker hogs CPU and memory.  It might need to
 be disabled for the first sync-release.

 The implementation should be redesigned.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20335>
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