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[MrGeneration]

@boosterpetrovich

In the console log I see a message: “remaining connection slots are reserved for non-replication superuser connections”. As I know, it comes from postgres meaning it’s not enough of having standard 100 connections defined in conf file

Correct. Raising the max_connections for postgresql to higher than 200 (better: 500) should solve this issue. Don’t forget to restart postgresql and Zammad.