Remaining connection slots are reserved

PostgreSQL 9.4 and later come with a feature called “replication slots”. They can be used to make WAL archiving and streaming replication more robust and efficient.

Django/Postgres: FATAL: remaining connection slots are ... I realized that I was using the django server in my procfile. I accidentally commented out and commited it to heroku instead of using gunicorn. Once I switched to gunicorn on the same heroku plan the issue was resolved. Using a production level application server really makes a big difference.... [Dspace-tech] Postgresql "remaining connection slots are ... [Dspace-tech] Postgresql "remaining connection slots are reserved for non-replication superuser connections" during record import Showing 1-5 of 5 messages Number Of Database Connections - PostgreSQL wiki In fact, throughput starts to fall off due to the overhead from that contention. You can generally improve both latency and throughput by limiting the number of database connections with active transactions to match the available number of resources, and queuing any requests to start a new database transaction which come in while at the limit.

PostgreSQL: remaining connection slots are reserved for

PostgreSQL Replication Slots - OpsDash PostgreSQL 9.4 and later come with a feature called “replication slots”. They can be used to make WAL archiving and streaming replication more robust and efficient. Open Mic | AAEM19

This message indicates you have reached the maximum number allowed for your applications, and remaining connections are reserved for super user access (restricted to Heroku Postgres staff).

Last acquisition attempt exception: org.postgresql.util.PSQLException: Fatal: the remaining connection slots are reserved to non replica superusers connections at org.postgresql.core.v3.ConnectionFactoryImpl … Automated Update! We are sorry for the inconvenience.

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Number Of Database Connections - PostgreSQL wiki In fact, throughput starts to fall off due to the overhead from that contention. You can generally improve both latency and throughput by limiting the number of database connections with active transactions to match the available number of resources, and queuing any requests to start a new database transaction which come in while at the limit. vCenter Appliance 5.1 - unable to connect |VMware Communities It's a brand new installation - my first one. No SSL certificates were installed or configured. But strange that after a restart connections are allowed for a while and then suddenly no longer. I did found some info on configuring SSL, but that was for the Windows version of vCenter. Is there some available for the Appliance also? TIA, Wouter postgresql gitlab - Heroku “psql:FATAL:remaining ...