How to migrate data from one postgres cluster to another?

Question

linux

There is a cluster with databases on postgresql 9.6.2, compiled from source codes. I want to install the one in the repository - 9.6.8.
Is there any way to transfer data without full backup and restore? Just by slipping the data folder?

Answer 1

Minor releases are installed in this way: the executable binaries are updated and the database is restarted in the same datadir.
What is a note in each release notes: https://www.postgresql.org/docs/9.6/static/release...
The release notes are worth a look for any missed updates, there may be important notes to update.
By the way, please note that 9.6.9 has already been released and it is worth updating to it.

Answer 2

For minor versions, you can slip it. For major ones:
https://www.postgresql.org/docs/10/static/pgupgrad...