MakFly

Process large datasets with Doctrine (ORM 3 toIterable, flush+clear, bulk DQL) and memory management

Optimize Doctrine fetching with DTO hydration (SELECT NEW; partial removed in ORM 3), lazy loading, query hints, and DBAL 4 access

Create and manage Doctrine migrations (lib 4.x) for schema versioning; handle dependencies, rollbacks, and production deployment

Define Doctrine entity relationships (OneToMany, ManyToMany, ManyToOne); configure cascade, orphan removal, multiple entity managers…

Handle Doctrine transactions (ORM 3 wrapInTransaction), optimistic/pessimistic locking, flush strategies, and transaction boundaries

Implement caching with the Symfony Cache component; configure pools, use tags for invalidation, prevent stampede