Cloud Vedas: Crash course

We are starting this series on AWS to give you a decent understanding of different AWS services. These will be short articles which you can go through in 15-20 mins everyday.
You can check the complete series here of AWS Crash Course .
Introduction:-

AWS compute is part of it’s IaaS offerings.
With compute, you can deploy virtual servers to run your applications.
Don’t have to wait for days or weeks to get your desired server capacity.
You can manage the OS or let AWS manage it for you.
It can be used to build mobile apps or running massive clusters.
You can even deploy application serverless.
It provides high fault tolerance.
Easy scalability and load balancing.
You are billed as per your usage.

What is EC2?

EC2 is Elastic Compute Cloud
It’s VM (virtual machine) in cloud.
You can commission one or thousands of instances simultaneously, and pay only for what you use, making web-scale cloud computing easy.
Amazon EC2 reduces the time required to obtain and boot new server instances to minutes, allowing you to quickly scale capacity, both up and down, as your computing requirements change.
Amazon EC2 provides developers the tools to build failure resilient applications and isolate them from common failure scenarios.

What are EC2 pricing models?

On Demand – Pay by hour no long term commitment.
Reserved – Yearly reservations up to 75% cheaper compared to On Demand.
Dedicated – A dedicated Physical server is provided to you. Up to 70% cheaper compared to On Demand.
Spot – Bid on spare Amazon computing capacity. Up to 90% cheaper compared to On Demand.

EC2 Instance Types:-

General Purpose (T2, M4 and M3) – Small and mid-size databases
Compute Optimized (C4 and C3) – High performance front-end fleets, web-servers, batch processing etc.
Memory Optimized (X1, R4 and R3) – High performance databases, data mining & analysis, in-memory databases
Accelerated Computing Instances(P2, G2 and F1) – Used for graphic workloads
Storage Optimized I3 – High I/O Instances – NoSQL databases like Cassandra, MongoDB
D2 – Dense-storage Instances – Massively Parallel Processing (MPP) data warehousing, MapReduce and Hadoop distributed computing

Check out more details in next section . AWS Crash Course – VPC
If you want to try some hands on, you can follow this guide to launch Amazon Linux Instance or this for Windows instance.

AWS Crash Course - EC2