System Design doubt class

• Wed, Jan 24th, 2024
• Ishjot Singh advices to focus more on High Level Design for me being more in UI and architect side.
  • Load Balancer
  • Caching
    • 1. Client
    • 2. Server side
    • 3. Distributed Caching (Use when going withhorizontal_scaling and you want to create environment of shared cache)
    • TTL
    • Expiry time
    • Invalidations
    • Cache headers
      • Max age
      • Shared max age
      • public/ private
      • no cache
      • no store
      • https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
  • Scaling
    • horizontal_scaling (We add more machine so if scaling is more)
    • vertical_scaling (You can’t exceed beyond a scale so for small, because we increase the power of machine)
    • Sharding don’t fall under scaling. If allows to do horizontal scalability because the machines have got distributed.
    • Sharding can be done on table level as well and not just on Database level.
    • Shard key will help to identify which table partition need to be referred.
  • Monolithic vs Microservices
    • Microservices can scale individually, else you have to scale the full application.
    • Microservices have error isolation
    • task Q. How to the same concept fit for Micro frontend?
    • Monolithic are more cost effective and debugging.
    • Candidate shared this link, https://medium.com/@anshita.bhasin/exploring-amazon-prime-videos-architecture-migrating-from-microservices-to-monolith-for-aacbf9fabc73
    • In above link they moved to Monolithic to save around 70% of the cost and moved some of the code to Serverless functions.
  • Rest API??
    • API vs Rest API? Rest follows Rest protocols (GET, PUT, PATCH, DELETE)
  • DB Index. What all topics are more important?
    • SQL joins
    • Normalization
    • ACID
    • SQL vs NoSQL

anirudhpundhir@gmail.com

Notes

• Try to make your cheatsheet or hint sheet.

Questions

• Q. Are there doubt classes for DSA as well? Which course to buy I have the self paced course. Connect with Rohan