Troubleshooting weird DB connection errors in Rails with PostgreSQL

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Processes and Threads Queue Ruby Sidekiq background-jobs

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    • They may be caused by a few different factors, e.g. long command run, or long SSH connection, or closed connection in separate thread(like in 'parallel' gem), or long code processing before save.

  • Sidekiq

    Simple, efficient background processing for Ruby

    • Links: (1)(2)(3)(4) Info about reaping_frequency (5)(6) Info about Rails's idle_timeout (7)(8)(9) Solutions with manual reconnection

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