Sharding Doctrine, what to read?

Question

symfony

The task was to organize sharding on Doctrine 2.4+.
In the official documentation, everything is extremely superficially and briefly described, where can I read it in more detail?
UDP:
found a guide in Japanese: d.hatena.ne.jp/cloned/20120919
but the search for sane guides continues

Answer 1

Read the documentation:
doctrine-orm.readthedocs.io/projects/doctrine-dbal...