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[Michi Henning <michi.henning@xxxxxxxxxxxxx>]

** Changed in: thumbnailer (Ubuntu)
       Status: New => In Progress

** Branch linked: lp:~michihenning/thumbnailer/timeout-backoff

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https://bugs.launchpad.net/bugs/1528105

Title:
  Error back-off too aggressive

Status in thumbnailer package in Ubuntu:
  In Progress

Bug description:
  It looks like requests to the remote server time out more often than
  we care to admit. When that happens, we treat the failure as a
  temporary and surprising error and disable remote server access for
  two hours.

  We need something more sophisticated so we can react to timeout errors
  with a different strategy than to other temporary surprising errors.
  The problem is that a dead server is indistinguishable from a slow
  one, so we probably need some exponential back-off strategy, or count
  the number of consecutive timeout failures and trigger the full two-
  hour back-off only if some threshold is exceeded.

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