ATul Singh

Collating some of the resources which talks about Database Sharding. https://en.wikipedia.org/wiki/Shard_(database_architecture) [Feb 2019]  http://highscalability.com/blog/2019/2/19/intro-to-redis-cluster-sharding-advantages-limitations-deplo.html Redis Cluster is the Native Sharding implementation available within Redis that allows your to automatically distribute your data across multiple nodes without having to rely on external tools and utilities. Its covers Sharding with Redis Cluster  where Redis Clusters is divided in 16384 slots and these slots are assigned to multiple Redis Nodes. The  Redis Cluster Specification  is the definitive guide to understanding the internals of the technology, while the  Redis Cluster Tutorial  provides deployment and administration guidelines. [ Jan 2019  ]  https://scalegrid.io/blog/scalegrid-hosting-adds-support-for-highly-available-redis-clusters-with-automated-sharding/ ScaleGrid : Fully Manage...

Isolation Levels in Relational Databases [Feb 2011]  http://highscalability.com/blog/2011/2/10/database-isolation-levels-and-their-effects-on-performance-a.html https://en.wikipedia.org/wiki/Isolation_(database_systems)

Designing a URL Shortening Service like TinyURL Lets design a URL Shortening service like TinyURL. This service will provide short short URLs for a large URL. What is the Problem ? URLs can be pretty huge depending upon the resources like the following : https://news.google.com/topics/CAAqIggKIhxDQkFTRHdvSkwyMHZNREZqY0hsNUVnSmxiaWdBUAE?hl=en-IN&gl=IN&ceid=IN%3Aen  ,  I think this Shortening was majorly used in Twittor where there is a limit of 140 characters.  Requirements of the System Its always necessary to clear out the requirements with the Stakeholders on what are the expectations they are making, This will ensure that our System is designed as per the Requirements.  Questions which are already answered  We need to design a system which will store a shorter version of URL that was given. When somebody clicks that shorter URL , request will hit our Service and they will be redirected to the original URL. Questions wh...