Design a forum-like systems like Quora, Reddit or HackerNews.

1.	Design a forum-like systems like Quora, Reddit or HackerNews.
Answer» These SITES are meant for posting questions and answering them, showing newsfeed highlighting popular questions based on tags and related topics. What are some of the Required Features? Users should be able to create public posts and apply tags to them. Posts should be sortable based on tags. Post comments in real-time by users. Display posts on newsfeed based on followed tags. What are some of the Common Problems encountered? Should it be just a web APPLICATION? Where to STORE the uploaded images and links? How can you determine the related tags? How can you distribute posts across a server network? Possible tips for consideration: Check on using SQL database for mapping RELATIONAL data between users, posts, comments, likes, tags, posts etc. Incorporate multithreading and load balancer for supporting high traffic. Make use of sharding for distributing the data across different systems. Incorporate machine LEARNING algorithms for finding correlations between the tags.

Answer»

These SITES are meant for posting questions and answering them, showing newsfeed highlighting popular questions based on tags and related topics.

What are some of the Required Features?
- Users should be able to create public posts and apply tags to them.
- Posts should be sortable based on tags.
- Post comments in real-time by users.
- Display posts on newsfeed based on followed tags.
What are some of the Common Problems encountered?
- Should it be just a web APPLICATION?
- Where to STORE the uploaded images and links?
- How can you determine the related tags?
- How can you distribute posts across a server network?
Possible tips for consideration:
- Check on using SQL database for mapping RELATIONAL data between users, posts, comments, likes, tags, posts etc.
- Incorporate multithreading and load balancer for supporting high traffic.
- Make use of sharding for distributing the data across different systems.
- Incorporate machine LEARNING algorithms for finding correlations between the tags.

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