Publicaciones en rápida sucesión no envían todos los correos electrónicos

Soporte
1

This forum must approve all posts. As a result some posts are published in rapid succession: when a moderator logs in they approve the posts quickly after each other.

Most categories are set to “watching” for all users and almost no users log in, the forum is relying very heavily on email notifications.

The problem is that whenever posts are published in rapid succession (less than 1.5 minutes apart), not all emails are being sent. This query shows the count of all sent emails (entries in email_logs per topic). The amount of users that should be getting an email is around 2250. When people have logged in recently (about 1%) they don’t get an email, so the number varies a bit but should be between 2200 and 2250.

As you can see in the first three lines, posts published quickly after each other do not have the full amount of emails.

What could be going on here?

Oh, max_emails_per_day_per_user is set to something really high.

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image788×347 72.7 KB

columns: topic, date/time, category, # emails sent

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En los últimos meses hemos obtenido nuevas perspectivas:

  • el problema no eran los correos electrónicos en sí, sino la generación de las notificaciones subyacentes
  • la generación de muchas notificaciones en rápida sucesión provoca que Sidekiq se reinicie con el mensaje Sidekiq está consumiendo demasiada memoria
  • el reinicio de Sidekiq provoca que el lote actual de notificaciones que se está generando para una publicación sea abortado, lo que resulta en un conjunto incompleto de notificaciones.

EDIT: Aumentar UNICORN_SIDEKIQ_MAX_RSS ha evitado que este problema vuelva a ocurrir en los últimos 9 días.

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