How data are stored in Google and Facebook Server

• Distributed Storage: Data is spread across multiple servers and data centers. 
• Sharding: Data is divided into smaller "shards" for efficient storage and retrieval. 
• Replication: Copies of data are stored in different locations for redundancy. 
• NoSQL Databases: Used for scalability and handling unstructured data. 
• Object Storage: Large files like images, videos, other files are stored.
• Caching: Frequently accessed data is kept in memory for faster retrieval. 
• Indexing: Data is organized and indexed for quick searches. 
• Load Balancing: Distributes traffic evenly across servers. 
• Security & Encryption: Data is encrypted for protection.