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AWS Cloudwatch API Guide

AWS Cloudwatch API Guide


For DevOps engineers, developers, site reliability engineers (SREs), and IT managers,  CloudWatch provide a monitoring and observability solution. To monitor your applications, respond to system-wide performance changes [ AWS Cloudwatch API Guide ], optimize resource use, and receive a single view of operational health, CloudWatch offers you with data and actionable insights. CloudWatch ( AWS Cloudwatch API Guide ) gathers monitoring and operational data in the form of logs, metrics, and events to give you a single view of AWS resources, applications, and services running on both AWS and on-premises servers. (AWS Cloudwatch API Guide) maybe used to detect unusual behavior in your settings.


How It works [AWS Cloudwatch API Guide]

CloudWatch collects monitoring and operational data in the form of logs, metrics, and events, and visualizes it using automated dashboards to provide you a single view of your AWS ( AWS Cloudwatch API Guide ) resources, applications, and services that run on-premises and in the cloud. You may correlate your metrics and logs to have a better understanding of your resources’ health and performance. You can also set alarms based on metric value thresholds you designate, or use machine learning methods to look for unusual metric behavior. To help reduce mean-time-to-resolution, you can set up automated steps to notify you if an alarm is triggered and automatically start auto scaling, for example. You may also delve into your analytics, logs (AWS Cloudwatch API Guide) , and traces to learn more about how to optimize application performance


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AWS Cloudwatch API Guide

Use cases

Monitoring and troubleshooting of infrastructure
To discover and resolve the root cause of performance issues in your AWS resources, monitor key metrics and logs, visualize your application and infrastructure stack, trigger alarms, and correlate metrics and logs. Monitoring your container ecosystem across Amazon ECS, (AWS Cloudwatch API Guide) Fargate, Amazon EKS, and Kubernetes is part of this. Improvement in the mean time to resolution.


Mean-time-to-resolution improvement
CloudWatch enables you to correlate, visualize, and analyses metrics and logs so you can respond fast to issues. You can also combine these with trace data from (AWS Cloudwatch API Guide) X-Ray for end-to-end observability. You can also use user requests to aid in troubleshooting and debugging, as well as to reduce overall mean-time-to-resolution (MTTR).


Resource optimization that is proactive
CloudWatch alerts keep track of your metric values and compare them to thresholds that you set or that create for you based on machine learning. models for detecting unusual behavior If an alarm is raised, CloudWatch can immediately take action, such as enabling Amazon EC2 Auto Scaling or stopping an instance, to automate capacity and resource planning.


Monitoring of the application [ AWS Cloudwatch API Guide]
Monitor your AWS (Amazon EC2, containers, and serverless) and on-premises apps. collects data from all layers of the performance stack, including metrics and logs, and displays it in automatic dashboards.


Analytical logs
To address operational issues and improve application performance, examine, analyze, and visualize your logs. You can use inquiries to help you respond to operational concerns more quickly and efficiently. If an issue arises, you can instantly begin searching with a purpose-built query language to quickly find possible reasons.


Amazon cloud watch Endpoints 
An endpoint is a URL that acts as a web service’s entry point. When making requests, you can use a regional endpoint to reduce latency. See Regions and Endpoints in the Amazon Web Services General Reference for information on the endpoints used with AWS.


Query Parameters 
To manage authentication and action selection, each query request must include some common parameters. Some API operations accept parameter lists. The following format is used to specify these lists: param.member.n. The integers 1 to n are the values of n. This format must be followed by all lists of parameters, even those with only one parameter. A query parameter list, for example, looks like this:


Authentication API Query
Query requests can be sent over HTTP or HTTPS. Every query request must include a signature, regardless of whether protocol is used. See Signing AWS API Requests in the Amazon Web Services General Reference for further information on establishing and including a signature.


Libraries that are available 
For software developers who prefer to construct applications using language-specific APIs rather than command-line tools and the Query API, AWS provides libraries, example code, tutorials, and other resources. To make it easier to get started, these libraries provide fundamental functions (not included in the APIs), such as request authentication, request retries, and error handling. The following languages and platforms have libraries and resources available:


Identifiers for Requests
A ResponseMetadata element is present in every AWS Query API response, and it contains a Requestid element. This string is one-of-a-kind.
AWS assigns this string as a unique identifier to give tracking information. Despite the fact that Requestid is included in every response, it is not listed on the individual API documentation pages in order to improve readability and eliminate redundancy.


Developing API Requests Making Use of the POST Method
If you don’t want to use one of the AWS SDKs, you can use the POST request method to conduct API requests through HTTP. You must specify the operation in the header of the request and supply the data for the operation in JSON format in the body of the request when using the POST method.


Question and Answer

AWS stands for Amazon Web Service; it is a collection of remote computing services also known as a cloud computing platform.  This new realm of cloud computing is also known as IaaS or Infrastructure as a Service.

  • EC2, a Virtual Machine in the cloud on which you have OS-level control. You can run this cloud server whenever you want and can be used when you need to deploy your own servers in the cloud, similar to your on-premises servers, and when you want to have full control over the choice of hardware and the updates on the machine.

Elastic Transcoder is an AWS Service Tool that helps you in changing a video’s format and resolution to support various devices like tablets, smartphones, and laptops of different resolutions.

VPC stands for Virtual Private Cloud. It allows you to customize your networking configuration. VPC is a network that is logically isolated from other networks in the cloud. It allows you to have your private IP Address range, internet gateways, subnets, and security groups.

DNS and Load Balancer are a part of IaaS-Storage Cloud Service

Storage Classes available with Amazon S3 are:

  • Amazon S3 Standard
  • Amazon S3 Standard-Infrequent Access
  • Amazon S3 Reduced Redundancy Storage
  • Amazon Glacier

T2 Instances are designed to provide moderate baseline performance and the capability to burst to higher performance as required by the workload

Key-Pairs are secure login information for your Virtual Machines. To connect to the instances, you can use Key-Pairs which contain a Public Key and a Private Key

You can have 200 Subnets per VPC

Different types of Cloud Services are:

  • Software as a Service (SaaS)
  • Data as a Service (DaaS)
  • Platform as a Service (PaaS)
  • Infrastructure as a Service (IaaS)