stankv

gistfile1.md

How we're assessing you

As part of this interview you will develop a MVP in Java.

We will measure you on the following criteria:

• Overall clarity of communication.
• Problem solving methodology.
• Architecture and design.
• Implementation of tests, unit and integration ideally.
• Use of appropriate conconcurrency and datastructures.
• It is not expected you complete the solution in the call.

Problem Outline

Your task is to design and implement a key-value store based on the following protocol specification:

> RET stan
NOT FOUND
> ADD stan rocks
OK
> RET stan
rocks

You can clone the instana/stankv repo as a basis to start.

Scope

In Scope

• Handle multiple client requests.
• Simple comms over a TCP socket.

Out of Scope

• Persistent storage (e.g saving to disk).
• Compare and Set operations.

Suggestions

• This is not a HTTP protocol.
• Outline implementation before coding: testing, parsing, concurrency, etc.
• Identify gaps in knowledge and outline how you'll resolve them.
• It is preferable you drive the implementation from tests.
• You can use Google, StackOverflow and any other resources you normally would.
• We expect some of these concepts to be new to many candidates.
• We're interested in how you approach dealing with new problems.
• Not knowing is Ok.
• Asking questions is strongly encouraged!