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PostgreSQL - Planned Failover / Failback procedures with streaming ...
Replication: If a WAL file is known to contain data required for a replication happening via a replication slot, it cannot be deleted.
Primary Postgres database process (postmaster) eating all CPU - Installation - Discourse Meta
I’ve got a 2-container install on a DO 8GB droplet that is behaving very strangely. There is a postmaster (EDIT: now there are two of them) processing eating 100% CPU. Sidekiq is running, but the Dashboard complains that it’s not checking for updates. There are some logs like PG::ConnectionBad (FATAL: remaining connection slots are reserved for non-replication superuser connections ) /var/www/discourse/vendor/bundle/ruby/2.4.0/gems/pg-0.21.0/lib/pg.rb:56:in `initialize' and Job exception...
Verifying that the database is replicating
29.9. Monitoring # Because logical replication is based on a similar architecture as physical streaming replication, the monitoring on a publication ….
PostgreSQL Replication Guide: Navigate Complexity | Airbyte
Property max_replication_slots should be greater than zero for logical replication, because logical replication can’t work without replication slot.
PostgreSQL: Documentation: 16: 20.6. Replication
The maximum number of replication slots in PostgreSQL is controlled by the ‘max_replication_slots’ configuration parameter.
AWS PostgreSQL RDS - remaining connection slots are reserved error ...
OperationalError: FATAL: remaining connection slots are reserved for non-replication superuser and rds_superuser connections.
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Setup Streaming Replication with pgBackRest in PostgreSQL - DBsGuru
We will demonstrate How to Setup Streaming Replication with pgBackRest in PostgreSQL. Setup a shared repository (NFS) between the hosts, Prepare the Primary Node for Replication, Update pg_hba.conf, Configure pgBackRest to backup the Primary Node, Standby Setup, Test Streaming Replication.
PostgreSQL: Documentation: 12: 19.6. Replication
max_replication_slots: Min: 0, Max: 262143, Default: 10, Context: postmaster, Needs restart: true • Sets the maximum number of simultaneously defined replication slots.
Replication and change data capture | Supabase Docs
Learn how to troubleshoot the replication slot not found error ... Run SELECT * FROM pg_replication_slots; to print the details of the available replication slots.