This is my button component type import React from 'react' export type ButtonProps = { label: string; color?:'primary' | 'secondary' | 'tertiary'; size?:'mobile' | 'tablet' | 'desktop', handleC...

I have always worked on mobile technologies and now I am stepping into backend systems, more specifically systems design. I keep coming across conflicting statements for the roles of api gate...

I have setup celery, rabbitmq and django web server on digitalocean. RabbitMQ runs on another server where my Django app is not running. When I am trying to add the tasks to the queue using delay I...

I am looking for a best practice solution for the next task. I use ASP.NET Core 6.0. I created an SDK which works with public API. The SDK communicates with API via Http request. I use HttpClient c...

I am reading book 'Designing Data-Intensive Applications' by Martin Kleppmann. At one point author has explained different approaches Twitter takes to publish tweets(fanout) to users. As per one of...

I was asked below object oriented system design question in an interview. There are multiple devices like Echo show, Echo dot, Echo tab, Smart microwave, Fire tv stick etc. Echo show - It has dis...

I am trying to understand how different Load Balancing strategy works. One way is to use consistent hashing algorithm where we divide the entire space into multiple virtual nodes and each physical ...

So I am trying to learn performance metrics of various components of computer like L1 cache, L2 cache, main memory, ethernet, disk etc as below: Latency Comparison Numbers ------------------------...

Back of envelope calculations: Imagine that I have some requirements and after some calculations, I get that I will get about 100k request per second to my server. How many servers would I need? Le...

What is the preferred way of serving static files for an application that is deployed in a microservices architecture (in production)? Let's say for simplicity that I have 3 application servers an...

can someone please explain the difference between system design and object oriented design? Object oriented design involves object modeling and uses object oriented concepts such as Abstraction, E...

Forgive my ignorance as my experience with load balancers and websockets are limited. I'm trying to understand how a client can connect to a cluster of servers that sits behind a load balancer thro...

As Dynamodb store the data in form of key value pairs, where key is the sort of primary key and value is the data associated with it.I want to know whether dynamo db actually understands the value(...

As Per CAP Consistency - All nodes gave the same data Availability means the ability to access the cluster even if a node in the cluster goes down. Partition tolerance means that the cluster conti...

I am building a data pipeline that reads the MySQL binlogs in realtime using Maxwell Daemon and Maxwell Daemon pushes the data to Redis streams. I've built a client that consumes the data from Redi...

What technical detail should programmers consider while developing their own oAuth service? Have been trying to find out guidelines, but found most of the oAuth related articles discuss as a consu...

I have my django website, which I want to make distributed, I know all the concept of system design and distributed system but still cannot figure out how can I serve it using multiple server. I am...

This question was asked in one of the big software company. I have come up with a simple solution and I want to know what others feel about the solution. You are supposed to design an API and a ...

I just started learning load balancers. Taking a server side application (http/https) load balancer as an example, I assume it listens a specific ip address, then forward the http requests to avail...

I failed to find any definite answer on Google or even StackOverflow to answer this question. From my understanding Threads that use locks can break abstraction Locks are not composable But h...

I am in the process of designing a system where there's a main stream of objects and there are multiple workers which produces some result from that object. Finally, there is some special/unique wo...

From a systems design/scalability perspective, what are some industry-standard strategies in dealing with a system that requires heavy writes to a particular table in a DB. For simplicity sake, let...

I want to design a job scheduler cluster, which contains several hosts to do cron job scheduling. For example, a job which needs run every 5 minutes is submitted to the cluster, the cluster s...

When to use service or component in spring? For example, is a module responsible for sending email or common business logic a "service" or a "component"? and what's the difference? Is a ser...

Kong uses Cassandra or Postgres. Cassandra is know for write heavy application.I don't see Kong api gateway is that much write heavy,also none of table uses Cassandra one of the important feature p...