Missing Diagram

How does databases sync in multiple servers ?

About the order of estimation

What is best strategy to use no of databases to host partitions

Should the URL table UserID column be a UUID instead of int to match other interfaces?

wrong line in MD5 hashing section?

Why do we need Data Partitioning and Replication if we have decided on NoSQL?

Tips on calculating back of the envelope numbers.

Memory estimates for caching

Memory estimates: Calculation -

Max alias length == 16?

Zoop Keeper VS Key Generation Services.

Store sequence number

KGS hosting

Cache Memory Requirements

Solving Hash Collision for URLs

Another option instead use the KGS - randomUUID.

How do we make sure KGS won't generate duplicate keys?

401 vs 403

Analytics was one of the requirements, but I don't see any treatment of this in ...

Hi, are there any downsides to partitioning 1 keys table instead of creating 2 s...

For the database selection, why are we proceeding with a NoSQL database? I thoug...

What's the point of key generation service and all the complexity related to it?...

If we have multiple replicas of the KGS and we are pulling the keys into memory ...

Another question that came up in my mind:we calculate the scale of the system in...

Few more :1)Why does the KeyDB have a table for used keys? Can't we can just del...

Few questions:1)When we say "We can compute a unique hash (e.g., MD5 or SHA256, ...

With regards to System APIs, don't we also need a "getURL(url_key)" ? We have sp...

Shouldn't the redirect use 301 instead of 302? Browsers cache when the returned ...

I noticed that 20K requests per second for the link service is not out of the ra...

Why should the amount of cache be estimated based on the total number of request...

Why does createURL use an api_dev_key instead of a user id or something similar?...

Hello! Why do we need to apply base64 encoding? Why is applying the MD5 algorith...

Hi Team,"Our service will ensure that only expired links will be deleted, althou...