Day 3.2: Application Scalability - Replication | System Design and Application Architecture Workshop
Day 3.2: Application Scalability - Replication | System Design and Application Architecture
Replication is a fundamental strategy in system design, aimed at bolstering application performance and reliability. By creating and maintaining duplicate copies of data, services, or entire systems across multiple servers or locations, replication ensures uninterrupted service even in the face of failures or high demand.
In practical terms, consider the example of a popular e-commerce platform like Amazon. With millions of transactions occurring daily, Amazon relies on replication to maintain seamless operations. Multiple server instances spread across different regions, house replicated copies of essential data such as the product catalog and user information. This redundancy guarantees that if one server experiences a surge in traffic or hardware failure, others can seamlessly take over the workload without disruption.
Moreover, replication goes beyond redundancy; it also optimizes performance by caching frequently accessed data closer to users, thereby reducing latency and improving the overall user experience.
Timestamps
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00:00:27 Application Scalability Part 2
00:00:46 Replication
00:04:16 Data Replication and Component Replication
00:07:07 Components
00:09:11 Stateless Replication
00:13:06 Stateful Replication
00:14:48 Stateful Replication - Web Application
00:20:08 Stateful Replication - Sticky Session
00:22:17 Stateful Replication - Session Cluster
00:23:46 Stateful Replication - Database
00:24:55 Master Slave (Primary Secondary)
00:33:00 Master Master (Peer to Peer)
00:35:59 Thank You
00:36:19 QNA
00:39:42 Quiz
00:40:37 Result
00:44:33 QNA
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