Relational Database: AWS Aurora PostgreSQL (for storing media metadata)
Apple
iCloud: Powered by Cassandra (one of the largest Cassandra deployments in the world)
Slack
Cloud Provider: AWS (cell-based architecture)
Datastores: MySQL
Language: PHP
Quora
Container Orchestration: Kubernetes clusters
Cloud Provider: AWS
Zapier
Web Server: Nginx
Backend Framework: Python Django
Datastores: Postgress, Redis
Task Queue: Celery, RabbitMQ
Message Broker: Kafka
Search: Elasticsearch
Container Orchestration: Kubernetes
Serverless: AWS Lambda
Uber
Database: Docstore (built on top of MySQL)
Cache: Redis (cache-aside strategy)
Airbnb
Architecture: Service-Oriented Architecture
Data Service: Handles all read and write operations on data entities.
Derived Data Service: Reads from data services and applies basic business logic.
Middle Tier: Houses large pieces of business logic.
Presentation Service: Aggregates data from other services and applies frontend-specific logic.
Canva
Database: MongoDB (with sharding)
PayPal
Cache: JunoDB
Primary Datastore: PostgreSQL
Lyft
Datastore: DynamoDB
Cache: Redis cluster
Figma
Database: Amazon RDS
Language: Ruby
Notion
Datastore: PostgreSQL
Cloud Provider: AWS
Zerodha
Database: PostgreSQL
Container Orchestration: Nomad (alternative to Kubernetes by HashiCorp)
Twitter
Search: Elasticsearch
Facebook
Cache: Memcached
Stripe
Database: MongoDB and DocDB Stripe on top of MongoDB.
Pinterest
Analaytics: StarRocks StarRocks is an open-source, OLAP (analytics-focused) database that’s designed for running low-latency queries on data in real-time
