Module 11
Key technologies
Interview-sized notes on the tools you will name in a design: what each is for, when to reach for it and what to say about it.
By the end of this module you can
- Name the right tool for a requirement
- Explain how it scales in one breath
- Know the limits interviewers probe
Data stores
Databases, caches and search.
- RedisPremiumSoon
- PostgreSQLPremiumSoon
- Cassandra and DynamoDBPremiumSoon
- ElasticsearchPremium
- Blob storage (S3)PremiumSoon
Plumbing
Moving data and coordinating services.
- KafkaPremiumSoon
- CDNsPremiumSoon
- ZooKeeper and etcdPremiumSoon