AWS Cloud Trail

AWS CloudTrail is an AWS service that helps you enable governance, compliance, and operational and risk auditing of your AWS account.

Actions taken by a user, role, or an AWS service are recorded as events in CloudTrail.

  • Events include…



SNS is a fast, flexibility, fully managed push notification service

Its a web service that coordinates and manages the delivery or sending of messages (from the cloud) to subscribing endpoints or clients.

It allows for sending individual messages or fan-out messages to…

AWS: Amazon Aurora

Aurora Read Replicas

Up to 15 Aurora Replicas can be distributed across the Availability Zones

  • DB cluster volume is made up of multiple copies of the data for the DB cluster
  • The data in the cluster volume is represented as a single, logical volume to the primary…

AWS: RDS (Relational Database Service)

Manual Backup (Snapshots)

Are not used for point in time recovery

Are user initiated, not RDS service initiated

Stored in Amazon S3

They are not deleted automatically when you delete your RDS instance, rather, they wills tay on S3 until you go ahead and delete…

AWS: RDS (Relational Database Service)

It is an fully managed Relational DB Engine service where aws is responsible for:

Security and patching of the DB instance

Automated backup for your DB instances

Software updates for the DB engine

Easy scaling for storage and compute as required

If selected, Multi-AZ with…

AWS:Introduction of Databases

What is Database?

Data access (reads and writes) is needed on a recruiting basis.

It allows multiple user access for reads and writes

It safeguards against unintentional mistakes, or unexpected power or hardware failure, and can recover the last known state.

Relation Database:

A relation database…

AWS: Auto Scaling 2nd Part

ASG Health Checks

Auto Scaling classifies its EC2 instances health status as either Healthy or Unhealthy.

By default, As uses EC2 Status Checks only to determince the health status of an instance.

When you hve one or more ELBs defined with the AS Group, you…

AWS: Auto Scaling

It is an AWS feature that allows your AWS component needs (EC2 instances fleet) to grow or shrink depending on your workload requirements.

Auto scaling ensures that you have the right number of AWS EC2 instances for your needs at all times.

Auto Scaling helps you save…

Network Load Balancer 2nd part

Client Source IP address Preservation

If you use Instance ID as target type, NLB preserves the clients source IP addresses, and provide them to the targets.

On the other hand, If you use the IP address s the target, the source IP addresses are the…

Bharathi Batthula

Bharathi is a self driven and purpose-oriented person.The main mission is to create profound change in her career. contact her on

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