On Thursday, January 2, 2020, PG Doc comments form <nore...@postgresql.org> wrote:
> The following documentation comment has been logged on the website: > > Page: https://www.postgresql.org/docs/12/creating-cluster.html > Description: > > In 18.2, a database cluster is said to be "a database storage area on > disk", > and then shortly afterward is is defined as "a collection of databases that > is managed by a single instance of a running database server". Those seem > very different things. Sometimes in the manual I can't tell which usage is > intended. > A garage is a “car storage area for a house”. A garage can (typically) store multiple cars just as a database cluster can store multiple databases. The files are only useful if there is a running instance and all databases stored in the cluster are managed by a single shared instance. You will need to better explain your confusion because the documentation is describing a complex system accurately but in parts that are related - two sides of the same coin, if you will. David J.
