Azam's Blog on System Design & Architecture

There are several ways to improve the performance of a system using system design concepts: Caching: Use caching to reduce the response time for frequently accessed data. This can be done at various levels, such as application-level caching, in-memory caching, and CDN caching.   Load balancing: Use load balancing to distribute the workload across multiple servers or nodes. This can help to improve the throughput and reduce response times.   Database optimization: Optimize the database by using indexing, query optimization, and database replication. This can help to improve the database performance and reduce response times.   Sharding : Use database sharding to horizontally partition data across multiple servers or nodes. This can help to improve scalability and reduce response times.   Asynchronous processing: Use asynchronous processing to offload non-critical tasks to background threads or queues. This can help to reduce response times and improve the...

Database replication is the process of creating and maintaining multiple copies of a database in different locations or on different servers. The purpose of replication is to provide redundancy and improve availability and performance of the database.   In database replication, changes made to the primary or master database are replicated to one or more secondary or replica databases in real-time or near-real-time. This process can be done synchronously or asynchronously, and in different topologies such as master-slave or master-master. Replication can be done within the same data center or across geographically dispersed locations.   Advantages of Database Replication:   Improved availability : Database replication provides redundancy and failover capabilities, ensuring that the database remains available even in the event of a hardware or network failure.   Improved performance : Replication can improve database performance by offloading read queries to ...