Rails 8.2 makes enqueue_after_transaction_commit the default
Rails 8.2 changes the default behavior for job enqueueing. Jobs are now automatically deferred until after the database transaction commits.
Rails 8.2 changes the default behavior for job enqueueing. Jobs are now automatically deferred until after the database transaction commits.
Rails 7.2 makes Active Job transaction-aware, automatically deferring job enqueueing until after the transaction commits to prevent race conditions.
Rails 8.2 adds Rails.app.creds to provide a unified API that checks environment variables first, then falls back to encrypted credentials.
A deep dive into how PostgreSQL checkpoints work, from Write-Ahead Logging to persisting data on disk, with practical monitoring commands.
Learn the essential PostgreSQL monitoring tools and system views for understanding database internals, WAL activity, and checkpoint behavior.
Deep dive into PostgreSQL's Write-Ahead Logging: how it works, what's inside WAL records, and how it enables both durability and crash recovery.
Learn the performance trade-offs database systems face: write amplification, I/O batching, and why PostgreSQL makes the design choices it does.
Learn what database transactions are, why ACID properties matter, and how PostgreSQL ensures your data stays consistent even when things go wrong.
Learn how PostgreSQL organizes data on disk using pages, tables, and indexes. Understand the building blocks of database storage.
Understand the fundamental difference between memory and disk performance, and why this matters for database systems like PostgreSQL.