[Satellite6] pulp tasks stuck forever, worker processes are idle despite there are pending tasks
Issue
- random work (Capsule sync, repo sync, CV publish/promote) gets stuck, pending on pulp to start the task - apparently forever
- pulp tasks list shows long list of unstarted tasks
- pulp workers are idle / not consuming CPU as one would expect during a repo sync or publish
celery -A pulp.server.async.app inspect active
shows too few workers (and idle)
Environment
- Red Hat Satellite or Capsule 6.3 or newer
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