This problem can happen when you published some tables but later when you perform UPDATE operation you get error like this: ERROR: cannot update table “xxxxxx” because it does not have a replica identity and publishes updatesHINT: To enable updating the...
Logical replication in PostgreSQL 10 and 11 is amazing but make it working is not entirely straight forward and has some small gotchas. Also you can have specific problems with WAL segments if you publish and subscribe huge amount of the data. Another specific problem...
This is not very pleasant problem. If you must increase “max_connections” on your streaming replication master you will have to make this change before it on all your replicas. Because if you increase “max_connections” on master and keep lower...
This option you would need for example when you will implement pg-barman. In such case you will need to archive WAL logs on both local machine and on remote pg-barman machine/ instance. In such case you can create simple script like this; #!/usr/bin/env bash...
This text may be “too obvious” but it also can save some nerves to someone 🙂 I might need it if you have PostgreSQL mater and replica(s) virtual instances with streaming replication and suddenly you face a problem with disk being too full and (as usual)...
This script helps you create new PostgreSQL replica by cloning existing one. You have to prepare your new machine/ instance with as much the same environment as possible to your previous one. You definitely need the same main version of PostgreSQL and preferably also...
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