Quiz: What does an Auto Scaling Group (ASG) do when traffic surges on an application?
An Auto Scaling Group dynamically adjusts instance count to maintain steady performance during traffic spikes and reduce costs during quiet periods.
Find tutorials, system documentation, dynamic pages, and interactive quizzes in one place.
An Auto Scaling Group dynamically adjusts instance count to maintain steady performance during traffic spikes and reduce costs during quiet periods.
Read Replicas allow read traffic (SELECT queries) to be handled by replica instances, freeing the primary database to handle write transactions.
Prometheus acts as the time-series metric collector and alerting engine, while Grafana provides rich visualization dashboards.
GraphQL enables clients to construct precise queries, preventing transfer of unnecessary payload attributes common in fixed REST responses.
makemigrations inspects `models.py` to compile SQL migration files; migrate applies pending migrations to the database.
Q objects allow developers to build complex keyword queries combining logical conditions in Django ORM filters.
Custom Template Tags and Filters allow developers to execute specialized formatting or data fetching inside HTML templates.
Django's TestCase creates a fresh test database (e.g. `test_db`), executing each test inside a transaction rolled back upon completion.