Let’s Dig Down in AWS…!!

EC2 by AWS

As we know that there are many services which are offered by AWS , lets pick few and try to understand their usage and utility it has for us:

AWS EC 2 (Virtual Servers on Cloud)

  • EC2 stands for Elastic Compute Cloud
  • It is one of the most famous offerings by AWS
  • It is a IaaS platform
  • It is basically renting of VMs
  • Storing data on Virtual Drives (EBS , ELB) and Distributing load across machines
  • Scaling of service using an auto-scaling group (ASG)

There are wide variety of Amazon EC2 Instance types comprise varying combinations of CPU, memory, storage, and networking capacity that gives you the flexibility to choose the appropriate mix of resources for your applications.

Each instance type includes one or more instance sizes, allow you to scale your resources either up or down and in or out to the requirements of your target workload.

Types of EC2 Instance Types

  • General Purpose
  • Memory Optimized
  • Compute Optimized
  • Accelerated Computing
  • Storage Optimized
InstancevCPU*CPU Credits / hourMem (GiB) StorageNetwork Performance
t2.nano130.5EBS-OnlyLow
t2.micro161EBS-OnlyLow to Moderate
t2.small1122EBS-OnlyLow to Moderate
t2.medium2244EBS-OnlyLow to Moderate
t2.large2368EBS-OnlyLow to Moderate
t2.xlarge45416EBS-OnlyModerate
t2.2xlarge88132EBS-OnlyModerate

T2 instances – General Purpose Instance

Source: AWS Website , for more information, click here

EC2 Purchase Options

  • On-Demand Instance
  • Reserved Instance, Convertible Instance and Scheduled Reserve Instance
  • Spot Instance
  • Dedicated Hosts and Dedicated Instance

For more information on these, contact the undersigned

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Services by AWS

AWS

Databases (DB) in AWS : These are stored on EFS, EBS, EC2 , Instances , S3

  • Relational DB : – These are like Excel spreadsheets , which can use SQL language to perform Lookups.
  • No SQL DB: – It is build for specific purpose/data, flexible schemes.

Benefits of DB:

  • Flexibility
  • Scalability
  • High Performance
  • Highly Functional

Benefits of AWS:

  • Quick Provisioning
  • High Availability (HA)
  • Vertical & Horizontal Scaling
  • Auto Backup & Restore
  • OS Monitoring
  • Alerting

AWS RDS

Relational DB service managed for DB use SQL as a query language. It allows you to create db in the cloud.

Kinds of RDS
  • PostGress
  • My SQL
  • Maria DB
  • Oracle
  • MSSQL Server
  • Aurora (AWS property DB)

Amazon Aurora

It is a proprietary tech from AWS:

  • Post gresSQL & mySQL are both supported
  • Cloud Optimized
  • 5X performance improvement
  • Storage auto grows increments of 10 GB
  • Cost 20% RDS, more efficient

Note: Aurora is cloud native AWS RDS technology based to manage service.

Note: Relational DB will look like a Excel doc or .csv with relations between tables.

Database Migration Service

It helps you to migrate db to AWS quickly & securely. It minimizes downtime to app.

Amazon ElasticCache

  • It is use to get managed redis or memcached
  • These are in-memory db with high-performance

DynamoDB

  • It is fully managed highly available with replication across 3 AZ
  • No SQL DB
  • Serverless DB
  • Million of request
  • Integrated with IAM
  • Data type – Key/value d/b

RedShift

It is based on Postgress SQL, but not for OLTP (online transition processing)

  • 10 x better performance than other db warehouses
  • Massively parallel query execution
  • Pay as you go based
  • Has a SQL interface for performing the queries
  • Integrated with BI Tools

Amazon EMR

  • Elastic Map Reduce
  • Creates Hadoop Clusters (Big data) analyze process vast a mount of data
  • Apache, Spark , KBase
  • Autoscalling

AWS Athena

  • Fully Serverless db with SQL cap
  • used for query data in S3
  • Pay per query
  • o/p resul back to S3

Note: One-time SQL queries serverless queries on S3 , log analytics

For more information on these devices, click here

About DocTooLss :

We make Technology EaZy via Docs” 

Follow us @doctools8 | Website: www.doctoolss.com| Tumblr: https://www.tumblr.com/blog/doctoolss | Medium: https://medium.com/@doctoolss| Facebook: https://www.facebook.com/DTdoctoolss/| Linkedin: https://www.linkedin.com/in/doc-tools-a302311a9/

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