7 Monitoring and Aanlytics

• Watch how things are going, use metrics and observing them to decide what to do

• Alert to things that could go wrong in system

• Gain insights into usage of system

• Need visibility into the state of the system

Amazon Cloudwatch

• Monitor applications and infrastructure in real time

• tracking and monitoring metrics

• Metrics

  • variables that are tied to your resources

• Can apply rules around metrics (ie when reach a number)

  • Can alert monitoring users (people or apps) to perform some action that will turn off the alert

  • Cloud watch alarm (The rules to trigger alarm and action in Cloudwatch)

    • Integrated with SNS, so a notification can be sent to another service to perform an action

• Dashboard

  • a feature that allows a user to view the metrics in real time

  • auto refreshing

• Beneifts

  • access to metrics from all places in a central locations

  • visibility into your apps, infras and services

  • system wide view

  • Reduce MTTR (mean time to resolution) and improve TCO (total cost of ownership)

    • Frees up developers from fixing or spending time fixing issues and focus on features

    • Thus reducing costs and time

  • Drive insights and optimise apps and resources

AWS CloudTrail

• Trust but verify

• Everything is recorded (auditing)

• Auditing tool for recording api calls

  • everything in AWS is an api call

• Every request is recorded in cloud trail

• Save logs in secure S3 buckets

• Includes

  • api called

  • time of call

  • source ip address

  • how it was made

  • etc

• Events are updated in cloud trail withing 15minutes

  • use of SNS/SQS or some streaming system like kafka

• Cloudtrail insights

  • optional

  • automatically detects anomalies in api activities

AWS Trusted Advisor

• Automated advisors

• evaluate your resources against the following pillars:

  • cost optimization

  • performance

  • security

  • fault tolerance

  • service limits

• Some are free

• can see in console

  • shows three areas for each pillar

    • green: all good

    • red: action recommended now

Links

• https://aws.amazon.com/products/management-tools

• https://aws.amazon.com/products/management-tools/use-cases/monitoring-and-observability/

• https://aws.amazon.com/products/management-tools/use-cases/configuration-compliance-and-auditing/

• https://aws.amazon.com/blogs/mt/

• https://docs.aws.amazon.com/whitepapers/latest/aws-governance-at-scale/introduction.html