aws auto scaling scenarios Auto Scaling refers to the increase and decrease of instances for our application according to the need. , time-based or seasonal variations; unplanned news events), and the addition of new applications. Various templates known as launch configurations can be used to launch EC2 instances in an Auto Scaling group. Open the Amazon EC2 console at https://console. Use this service with AWS Auto Scaling, Amazon CloudWatch, and Elastic Load Balancing. - Defining Scaling polic AutoScaling in AWS is the advanced cloud computing feature that provides automatic resource management based upon the load to the server. Aug 23, 2018 · 7 min read. Model 2: Networking • Basic Networking • VPC • Subnet • Rout table • NAT • SG,NACL • Peering connection. com > Infrastructure > AWS, then select one of the AWS Auto Scaling integration links. Step 3 AWS has multiple auto-scaling services for different products; you can auto scale Aurora and DynamoDB read replicas, and auto scale Amazon’s Elastic Container Service (ECS). In this blog, we will cover the basics of AWS Virtual Private Cloud (VPC), NAT Gateway, NAT Instances and explain the working of a High Availability version of NAT instance deployment. You create collections of EC2 instances, called Auto Scaling groups. Auto Scaling is designed to dynamically adjust the number of instances in an auto scaling group to handle a given compute/processing requirement. The most common scenario for using a termination policy is when Amazon EC2 Auto Scaling launches Amazon EC2 instances using scaling policies, and then terminates those instances when they are no longer needed as part of a scale-in event. 4 Amazon CloudWatchとは？ . Auto Scaling refers to the increase and decrease of instances for our application according to the need. It all started with the creation of the Auto Scaling group which is the collection of EC2 instances. First correct me if I am wrong. Terraform 0. Conventionally, Scheduled Actions are used for scaling out for certain amount of time or at specific time of the day (e. To use it, update your ASG, setting a Launch Configuration or Launch Template containing your desired AMI, and then call StartInstanceRefresh. aws_subnets min_size = var. For --auto-scaling option to work properly, it needs to make an EC2 API call to obtain the Auto Scaling group name. AWS Auto Scaling. ” You use policies to “set the thermostat,” and under the hood, Auto Scaling controls the heat by adding and subtracting Amazon EC2 resources on an as-needed basis in order to maintain the “temperature” (capacity). Lambda function – In our scenario, the AWS Lambda function mainly does two tasks: *Recommendation: I recommend you to implement AWS Auto Scaling on your e-commerce application to reduce cloud hosting costs and have the flexibility to use the capacity resources according to the AWS’ Recently Launched Auto Scaling Feature In January 2018, AWS launched their brand-new service called AWS Auto Scaling which now allows you to manage DynamoDB, ECS, Spot Fleets and Aurora, in addition to the existing ability to scale in and out EC2 instances. Today, we’re pleased to announce that we’ve extended the original NGINX Plus on AWS Cloud Quick Start to now include full support, dynamically handling EC2 Auto Scaling events. See About adding AWS accounts for details on adding an AWS account. From the Monitoring tab, select Auto Scaling Metrics > Enable Group Metrics Collection or Display > Auto Scaling. It will also cover partial topics needed for AWS Professional Certification, tune in for Part 2 of this course which wil cover rest of the topics to take up Automatic scaling is the ability to increase or decrease the desired count of tasks in your Amazon ECS service automatically. This article demonstrated how log analytics facilitates that trust by reliably monitoring your entire AWS web application. Auto scaling groups are created mainly for resiliency. one AZ name), as shown in the example above, the selected AWS Auto Scaling Group can launch EC2 instances only within a single Availability Zone (in this case us-east-1a), therefore its auto-scaling configuration is not multi-AZ. With Auto Scaling, users can create collections of EC2 instances, called Auto Scaling groups. One can access Auto Scaling by signing into the AWS Management Console. You can use Auto Scaling to launch or terminate EC2 instances based on scaling policies, scheduled scaling, and health checks. Two new instances were added to my Auto Scaling Group (ASG) and both are healthy. aws_application_scaling_policy: state: present policy_name: test_policy service_namespace: ecs resource_id: service/poc-pricing/test-as scalable_dimension: ecs:service:DesiredCount policy_type: StepScaling minimum_tasks: 1 maximum_tasks: 6 step_scaling_policy_configuration: AdjustmentType: ChangeInCapacity Phase 1: Trigger Auto Scaling. The AWS GWLB service takes care of all these challenges and provides a full fault tolerant, auto-scalable, bump-in-the-wire service. Amazon Route 53 E. AWS Auto-scaling helps you if you are using language-specific APIs rather than submitting requests over HTTP or HTTPS Auto Scaling provides a benefit of libraries, Sample code, tutorial, and other resources for the development of the software. While creating a Kubernetes cluster with Amazon Web Services (AWS), you can configure the cluster for horizontal auto-scaling. Let’s suppose you are running a government result website. You can set a limit on EC2 instances such that the number doesn’t go below this. This is Mike Pfeiffer, and welcome to Auto Scaling AWS Resources. To do this, first I like to reboot my instance to ensure it comes up and is fully operational: reboot Aurora Auto Scaling. Ensure AWS Auto Scaling Group is using the appropriate health check configuration to determine the health status of its instances. ) When the server reboots, AWS Auto Scaling can detect this, terminate the instance, and spin up a fresh new instance. AWS Auto Scaling does not automatically suggest load-based scaling. CentricMinds' platform powers large-scale Intranet & Internet sites, & is designed to automatically scale in the cloud or on-premise to deal with growing demands. aws. 04 (trusty) as our OS of choice. See Add AWS cloud accounts for details on adding an AWS account. AWS Lambda, which provides the core Amazon EC2 Auto Scaling functionality between FortiGate instances. But if you visit Amazon Web Services and spin up an instance, you will quickly discover that public cloud does not “come with” auto scaling. aws_application_scaling_policy – Manage Application Auto Scaling Scaling Policies Note This plugin is part of the community. Step 04 - Exploring KMS Customer Master Keys - CMKs. Auto Scaling Groups define a resource maximum and minimum that define when resources will be launched or deleted dynamically. https://aws. With auto scaling, you can configure a metric to automatically launch a second instance when the CPU utilization gets to 75% of the first instance. Because Amazon EC2 Auto Scaling uses EC2 instances, you pay for only the instances that you use when you use them. The TTL on this is 6 hours, so if your AMI has this cache, the query will use the wrong instance id for up to 6 hours after the instance is created which results in it failing to retrieve the auto scaling group name. Services accumulate credits while stopped or underutilized, saving credits for auto scaling scenarios. Your manager asks you how to improve the performance and availability of the application. Auto Scaling makes sure that Amazon EC2 instances are enough to run your application. Scale Up in AWS: Scale up is equivalent to scale ability of systems. Command to describe auto scaling group. With AWS Auto Scaling, decision making is now made savvy. You can query and explore your data using these event types: AutoScalingInstanceSample; AutoScalingGroupSample; AutoScalingLaunchConfigurationSample; AutoScalingPolicySample; AutoScalingRegionLimitSample; Metric data Auto Scaling can also be configured via the AWS Command Line Interfaces (CLI) or APIs. See also: AWS API Documentation. Auto Scaling is the appropriate solution for your app when you are not certain about your app’s traffic or in cases where the traffic is really high or expected to go high during a Learn about AWS Auto Scaling Groups to scale in and out EC2 Learn about AWS Auto Scaling Groups to scale in and out EC2 instances! If you want to learn more: https://links. Key Management Service (KMS) The AWS KMS key is created. Scenario: if one server running a website and having less traffic on that website , some times traffic increased with a higher value, then AWS with auto-scaling will launch a new instance with same configuration automatically and distribute the traffic equally and Application Auto Scaling also uses this endpoint to adjust the relative capacity of the custom service (with HTTP PATCH). A "horizontally scalable" system is one that can increase capacity by adding more computers to the system. 3. Auto Scaling is one of the most compelling features of AWS from an administrative and automation viewpoint. And you save money because you pay for only the resources you use. This feature perfectly fits the needs of a For this you can create a target tracking scaling policy and then health checks are performed to ensure resource level is maintained. 05 Select the Details tab from the dashboard bottom panel and click the Edit button: to edit the selected group configuration. , the average CPU usage is too low) AWS chooses one of the existing instances and changes its state from InService into Terminating:Wait The amount of time, in seconds, that Amazon EC2 Auto Scaling waits before checking the health status of an EC2 instance that has come into service. AWS Autoscaling ensures that your group has a sufficient amount of servers. Platform9 Managed Kubernetes (PMK) Overview Other AWS APIs may automatically add special tags to their associated Auto Scaling Group for management purposes, such as ECS Capacity Providers adding the AmazonECSManaged tag. AWS Auto Scaling. • AWS Auto Scaling - AWS Auto Scaling — Autoscaling, also spelled auto scaling or auto-scaling, and sometimes also called automatic scaling, is a method used in cloud computing that dynamically adjusts the amount of computational resources in a server farm - typically measured by the number of active servers - automatically based on the load on the farm. Default polling information for the AWS Auto Scaling integration: An ordered list of criteria used for selecting instances to be removed from the Auto Scaling group when reducing capacity. AEM is frequently used in scenarios that have unknown or significant variations in traffic volumes. After you have added an AWS Account in the Deep Security Manager, instances that no longer exist in AWS as a result of Auto Scaling will be automatically removed from the Deep Security Manager. Step 2. The ASG will be used by cluster-autoscaler to scale up and down. AWS EC2 Auto Scaling – Weird Customer Scenario 1. The problem is that within an Auto-Scaling Group – AWS treats an EC2 instance and its associated EBS volume as a single, atomic unit. Afterward, we synchronize the code, right before the Elastic Load Balancer starts health checks, and finally brings the new webserver (s) into service. Not only does auto-scaling add computing power to handle increased application load, but it also reduces it to conserve resources when demand goes back down. datacumulus. With right sized resources, your applications always have the capacity to handle current traffic demand. We can specify a minimum number of EC2 instance in that group and auto-scaling will maintain and ensure the minimum number of EC2 instances. AWS enables allocating Autoscaling Groups to Elastic Load Balancers (ELBs) to make sure that newly created resources are seamlessly discovered and utilized. However, the application’s performance is impacted. Auto scaling is very functional when your application needs additional server resources to accommodate the number of page requests or rendering. Application Auto Scaling automatically scales supported AWS services with an experience similar to Auto Scaling for EC2 resources. A huge improvement, as there was no built-in way to scale the EC2 instance for an ECS cluster automatically before. The application available at AWS requires space and load and the Auto Scaling helps us by providing surety that there is a sufficient number of Amazon EC2 instances available to handle that load. You will also verify the auto-scalable EC2 virtual machine and then terminate your scaling infrastructure. Sometimes, only the Auto Scaling group is in place, with the desired instance count set to 0. Auto Scaling works with the old and new database servers which can be enabled for the existing servers with zero additional charges. Amazon Simple Storage Service (Amazon S3) to host artifacts for Lambda functions and logs. Reliability. Auto Scaling resources come into play for short bursts of time, based on your workload demands. Meaning, the EC2 instances under control of auto-scaling won't be changed or updated. Posted on February 10, 2021, by Alex Berber | 4 minute read. In this scenarios the servers sizes are increased in terms of RAM, CPU utilization or instance size. However, there are fees applied to EC2 instance usage and CloudWatch detailed monitoring. The elasticity of Auto Scaling groups makes them highly-attractive options for enterprises who do not want to invest in purchasing expensive hardware only to respond to sudden or temporary spikes in application demand. ). Auto Scale requires that you “image” your EC2 instance so that it can automatically create new instances from this image. Step 1: Building web server. 12. Multiple FortiGate-VM instances form an Auto Scaling group to provide highly efficient clustering at times of high workloads. Amazon EC2 Auto Scaling helps you ensure that you have the correct number of EC2 instances available to handle the load for your application. Expanding Your Scaled and Load-Balanced Application to an Additional Availability Zone. Amazon Web Services. Configuration and polling . Amazon Redshift Answer: A,B 13. g. So, we decided to go for Amazon’s Auto Scaling feature. The EC2 health check is almost always too simplistic for most purposes as it essentially only confirms that the instance is running and is reachable via the network, obviously necessary but not nearly sufficient. Auto-scaling automatically modifies the EC2 instance as per your demand changes. After some initial configuration, Auto Scaling can automatically create EC2 instances to meet increased demand on a Relativity web, agent, or worker server. As a demo we will be using auto scaling for our web server. Auto Scaling Group - Maintain configured number of instances (using periodic health checks). This scenario is defined by multiple staging environments (Dev/Test/Prod), CI/CD, DevOps, AWS Auto Scaling, RDS replication, and multi A-Z, Clustering, and microservices (Docker). The scenarios are problems or tasks that a SysOps admin may encounter in the real world. This means that if the EC2 instance is terminated, the EBS drive is deleted – along with the dataset Cassandra it was using. It helps dynamically adapt Amazon EC2 capacity based on user-defined policies, schedules, and health checks. AWS Auto Scaling Group receives an alarm that the specified metric is exceeded (e. g. Table of Contents hide Exam Question Scenario Description Troubleshooting key points :- Exam Question Scenario EC2 instances fail to launch with Autoscaling configuration Description Autoscaling configuration requires the following :- Autoscaling launch configuration which allows you to select an AMI Instance type IAM role (optional) Security group Key pair file Autoscaling group configuration The Palo Alto Networks auto scaling template for AWS help you integrate and configure the VM-Series firewall with a GWLB to protect applications deployed in AWS. See Deploying auto scaling on AWS. Auto Scaling policy uses CloudWatch alarms to trigger auto-scaling activities and have Elastic Load Balancers distribute traffic to EC2 instances running within the Auto Scaling group. An ASG enables to use EC2 Auto Scaling features such as health check replacements and scaling policies. Go to Actions dropdown at the top on the right side of Create New Auto Scaling Group and click Edit. being ready for high traffic in advance) and later scale back in. Amazon DynamoDB to store information about Amazon EC2 Auto Scaling condition states. aws collection (version 1. With right sized resources, your applications always have the capacity to handle current traffic demand. 0). Then I went ahead and stopped one of the instance (instance id ending with XX9fb) that is part of Auto AWS Auto Scaling lets you build scaling plans that automate how groups of different resources respond to changes in demand. Exam Question Scenario. I think still you have doubt let’s understand with scenario. AWS NAT Gateway and High-Availability NAT Instances with Auto-Scaling. sh to false. After you have added an AWS Account in the Deep Security Manager, instances that no longer exist in AWS as a result of Auto Scaling will be automatically removed from the Deep Security Manager. You create an auto-scaling group with a "pool" of floating EIPs allocated to it. asg_min_count max_size = var. Since AWS treats all instances within an Auto Scaling Group equally we’ll need to roll our own solution. Auto Scaling Policy is defined at the time of creating the Auto Scaling group. It all depends on the budget, traffic, and AWS infrastructure size. 4. As of 6/16/2020 EC2 AutoScaling supports Instance Refresh - a single API call to replace every instance in an ASG safely and autonomously. so maybe get some ami to deploy? 1. See About adding AWS accounts for details on adding an AWS account. ). Screenshot: Amazon What auto-scaling will do, it ensures that we have a correct number of EC2 instances to handle the load of your applications. First, Auto Scaling is a way to set the “cloud temperature. Cloud resources with auto scaling capabilities change the equation. Terraform AWS Auto Scaling Module. helps you deploy AWS services such as Amazon Elastic Compute Cloud (EC2), Amazon Elastic Block Store (EBS), Elastic Load Balancing, and Auto Scaling groups to build reliable, scalable, and cost-efficient applications. In this post, we will set up our EC2 instance to auto-scale based on demand. However you need to use auto scaling as per your need. Centilytics helps AWS users by showing the status of their EC2 auto scaling groups’ limit in a particular region. Automatic scaling is the ability to increase or decrease the desired count of tasks in your Amazon ECS service automatically. aws. e. amazon. With dynamic scaling, AWS Auto Scaling will spin up and shut down EC2 instances based on the value of a metric of your choice. As with so many of its other services and products, Amazon Web Services (AWS) created Auto Scaling to solve its own scaling issues, and now provides the service to its customers for free. Alexander Savchuk. aws autoscaling create-auto-scaling-group --auto-scaling-group-name test --instance-id i-0dee875e --load-balancer-names Testing --availability-zones "us-east-1a" --max-size 3 --min-size 1 --desired-capacity 2 . This is in contrast to a "vertically scalable" system, which is constrained to running its processes on only one computer; in such systems the only way to increase performance is to add more resources into one computer in the form of faster (or more) CPUs, memory or If the array returned by the describe-auto-scaling-groups command output contains just one value (i. When scaling policies are set, the desired capacity is adjusted between the minimum and maximum amount. AWS offers an Auto Scaling feature, which allows to dynamically provision EC2 instances depending on specific metrics (CPU, network traffic, etc. AWS Code Deploy is a very beautiful The dharma. For this article, we’ll discuss EC2 Auto Scaling, as it’s what you’ll likely want to scale anyway. Learn more Auto scaling can automatically scale out by instantiating additional FortiGate instances at times of high workloads. Using Terraform for zero downtime updates of an Auto Scaling group in AWS. Module stack supporting multiple deployment scenarios of an Auto Scaling Group to an AWS VPC. When one Availability Zone becomes unhealthy or unavailable, Amazon EC2 Auto Scaling launches new instances in an unaffected zone. Auto Scaling helps to ensure that you have the correct number of EC2 instances available to handle the application load. Auto Scaling refers to the increase and decrease of instances for our application according to the need. AWS Auto Scaling enables you to centrally configure automatic scaling for the multiple scalable AWS resources used by your application from a single interface. In this course, we introduce you to this service and some of its benefits and main functionality. We can also specify a maximum number of EC2 instances in each auto scaling group so that auto-scaling will ensure instances never go beyond that maximum limit. Introduction. AWS Aurora autoscaling adjusts the number of Aurora replicas dynamically. AWS Auto Scaling automatically creates all of the scaling policies and sets targets for you based on your preference. When a deploy starts, there is a chance that the instance starts running through the deploy steps before our Lambda has fired which could cause problems for us. In the AWS Cloud, Amazon EC2 Auto Scaling allows you to automatically provision EC2 instances when demand spikes and terminate them when they’re no longer needed. You can specify a minimum number of instances and AWS EC2 Auto Scaling ensures that your group never goes below this size. Go to your SNS topic and click “Create subscription”, choose “AWS Lambda”, select the Lambda function you just created, and then click “Create subscription”. (EC2), Amazon Elastic Block Store (EBS), and Auto Scaling groups to build reliable, scalable, and cost-efficient applications. With AWS Auto Scaling, you can change the number of EC2 instances in an Auto Scaling group, either manually or automatically, based on schedule or demand. There are two important things to know about Auto Scaling. A CloudGen Firewall Auto Scaling Cluster scales with demand, thereby creating a cost-effective, robust solution for securing and connecting to your cloud resources. Slack fingers AWS auto-scaling failure in January outage postmortem 'We attempted to add 1,200 servers to our web tier' – but with a saturated network it did no good Tim Anderson Tue 2 Feb 2021 // 12:51 UTC AWS EC2 Auto Scaling based on a schedule allows you to scale your application in response to predictable load changes. com When a situation arises where servers get overburdened due to the increased load on the application, the AWS auto scaling service will scale up the servers by creating more servers with exactly the same configurations. CloudWatch alarms track the metric (Is CPU utilization >80%? or < 60%) and trigger the auto scaling action (+5 EC2 instances or -3 EC2 instances) 03 In the navigation panel, under AUTO SCALING section, choose Auto Scaling Groups. Beyond Amazon EC2 Auto Scaling, you can use AWS Auto Scaling to automatically scale resources for other AWS services, including: AWS Infrastructure. There are two important things to know about Auto Scaling. After you have added an AWS Account in Workload Security, instances that no longer exist in AWS as a result of Auto Scaling will be automatically removed from Workload Security. 3. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services. Amazon EC2 Auto Scaling is well-suited for applications that have stable demand patterns and for ones that experience hourly, daily, or weekly variability in usage. AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. To simplify deployment of FortiGate inside an optimal architecture, FortiGate uses Amazon EC2 Auto Scaling provisions instances until the desired capacity is totally fulfilled, even if this results in an overage. An ASG contains a collection of EC2 instances that are treated as a logical grouping for the purpose of automatic scaling. All you need to do is specify the percentage of healthy instances to keep in the group while ASG terminates and launches instances, and the warm-up time which is the time period that ASG waits between groups of instances that it will refresh via Instance Refresh. Data that is uploaded to such EC2 instances is usually saved somewhere off the instance (off instance database, S3 object store, etc. That’s it! Integration with AWS Auto Scaling. In this course you will learn concepts that are important for the AWS Certified SysOps Administrator Associate level exam. Amazon S3 D. Step 05 - How does Server Side Encryption Happen with KMS. Practice: Create Launch Configuration & Autoscaling for both scale-out and scale-in scenarios. As you set up a given scaling threshold, AWS Auto Scaling actually can create a set of scaling policies automatically, based on your configuration. 2. In addition, we provide some basic Windows PowerShell scripts for a more detailed configuration of the Windows-based Amazon EC2 Auto Scaling could be difficult to debug and nasty situations may occur like: A group of instances starting while you are away or a new instance starting and stoping every 20 seconds with bad billing consequences (AWS will charge you a full hour for any started instance, despite it has been only one minute running). amazon. By completing the steps in this guided project, you will successfully launch an auto-scaling Amazon EC2 virtual machine using the AWS console within the AWS Free Tier. Pre-configured AWS VPC; Requirements. Fortinet provides FortiGate Autoscale for AWS deployment packages to facilitate each deployment. Conditional: Required if you are adding an ELB health check. Using AWS Auto Scaling to control the resource provisions when your application utilizes Amazon EC2, Amazon DynamoDB, is a case in point. AWS Auto Scaling provides unified scaling and predefined guidance, which makes scaling configuration faster and easier in this scenario. For example, if there are 2 units remaining to fulfill capacity, and Amazon EC2 Auto Scaling can only provision an instance with a WeightedCapacity of 5 units, the instance is provisioned, and the desired capacity is exceeded by 3 units. 0). Elastic Load Balancing and EC2 Auto Scaling are widely used features within AWS to help you maintain reliability, availability and reduce costs within your environment. during lulls to reduce costs. Scaling up new web servers takes about 1 to 2 minutes. A brief architectural overview and demonstration of how the VM-Series integration with AWS Auto Scaling works. Amazon EC2 B. When EC2 Auto Scaling removes EC2 instances because the traffic is minimal, it keeps removing EC2 instances until it reaches a minimum capacity. Even without navigating to different consoles, you can witness the average utilization of your scalable resources. To ensure that your application environment is protected from cyberattacks, security will need to scale at the same pace as your workloads. Amazon Auto Scaling: Getting Started with AWS. Dynamic Scaling Policies - Target tracking scaling, Simple scaling and Step scaling. To determine the best metric for your instances, you can graph, compare, and correlate resource metrics across your Auto Scaling groups. Using termination_policies=Default when modifying an existing AutoScalingGroup will result in the existing policy being retained instead of changed to Default . com/blogs/compute/introducing-instance-refresh-for-ec2-auto-scaling/. AWS Auto Scaling Test. Auto Scaling refers to the increase and decrease of instances for our application according to the need. aws collection (version 1. It scales Aurora replicas to handle a sudden increase in the database connectivity or the workload. See Add AWS cloud accounts for details on adding an AWS account. When the unhealthy. Horizontal scaling. GWLB works in a transparent way (i. com Additionally, AWS Course will help you gain expertise in cloud architecture, starting, stopping, and terminating an AWS instance, comparing between Amazon Machine Image and an instance, auto-scaling, vertical scalability, AWS security, and more. 04 Select the AWS ASG that you want to reconfigure (see Audit section part I to identify the right resource). Live - 100s of Live Shows focused on learning and professional growth aws-lambda-lifecycle-hooks-function Using Auto Scaling lifecycle hooks, Lambda, and EC2 Run Command Introduction Using Auto Scaling lifecycle hooks, Lambda, and EC2 Run Command Set up the environment Step 1 – Create an SNS topic to receive the result of the backup Step 2 – Create an IAM role for your instances and your Lambda function Step 3 – Create an Auto Scaling group and configure the lifecycle hook Step 4 – Create an S3 bucket for files Step 5 – Create the SSM document Step 6 Create Horizontally Auto-Scaling Cluster on AWS. 3 Implement backup and restore strategies 1. In this article, you will learn about AWS Load Balancer and Auto scaling. e. We set up a dashboard of custom KPIs tailored to monitor our specific stack. On its own, Auto Scaling monitors your environment to ensure that the desired systems stay running. 1. Then, we can add each scalable resource that supports our application to the scaling plan, and define the utilization targets based on which those resources should scale. Since the EC2 instance you launch on Outpost is essentially the same EC2 that you use in AWS Regions, you can use it in combination with other instances in AWS Region to manage it using Auto Scaling Group or attach it behind a LoadBalancer (ALB). How can you add an existing instance to a new Auto Scaling group? Here’s how you can add an existing instance to a new Auto Scaling group: Open EC2 console; Select your instance under Instances; Choose Actions -> Instance Settings -> Attach to Auto Scaling Group; Select a new Auto Scaling group; Attach this group to the Instance Handle all the 3 load scenarios (Candidates)• Scale out Amazon EC2 instances seamlessly and automatically when demand increases• Scale down unwanted Amazon EC2 instances automatically and save money when demand subsides• Decide the scaling based on AWS CloudWatch metrics• Auto Scale your Web servers(Amazon EC2) in combination with AWS Elastic Load Balancing See full list on pulumi. aws. In this course, we'll take a look at everything you need to know to implement elasticity for your applications with the AWS Auto Scaling service. In reality, one can argue that auto scaling’s most frequent uses relate to high-availability and redundancy, rather than elastic scaling techniques. In this scenarios the servers sizes are increased in terms of RAM, CPU utilization or instance size. The application attracts more and more global customers. my_launch_config. 1. h Engineering Team experienced this atypical scenario during the execution of a With the AWS Auto Scaling service, you can configure one unified scaling policy per application resources, such as an AWS CloudFormation stack or the set of resource tags. Defines the action the Auto Scaling group should take when the lifecycle hook timeout elapses or if an unexpected failure occurs. aws autoscaling describe-auto-scaling-groups --output text . Like the original, this update ( NGINX Plus on the AWS Cloud Quick Start reference deployment) is a joint release with AWS, publicly available on the AWS Community Quick Starts landing page and the AWS Quick Start Hi Geoff I also have a use case that requires Scenario 2 (or similar), namely that; You already have a bunch of EIPs provisioned. Your company has a successful web application deployed in an AWS Auto Scaling group. AWS Auto Scaling lets you select the specific Amazon services that make up your application and choose scaling options for each resource, helping you maintain availability and performance at scale. An Auto Scaling group could also be attached to different versions of the launch configuration to enable blue-green Auto scaling, as we know today, is one of the most powerful tools leveraging the elasticity feature of public cloud – Amazon Web Services (AWS). Create an AMI from the EC2 instance. Various templates known as launch configurations can be used to launch EC2 instances in an Auto Scaling group. One of the filters it uses when getting the auto scaling group name is the instance id. The template leverage AWS scalability features to independently and automatically scale VM-Series firewalls deployed in AWS to meet surges in application workload resource demand. Amazon EC2 Auto Scaling is designed to automatically launch or terminate EC2 instances based on user-defined scaling policies, scheduled actions, and health checks. A web tier deployed across 3 AZs with 2 EC2 (Elastic Compute Cloud) instances in each A2 inside an Auto Scaling Group behind an ELB (elastic load balancer) and an application tier deployed across 3 AZs with 2 EC2 instances in each AZ inside an Auto Scaling Group behind an ELB and one RDS (Relational Database Service) Instance deployed with read replicas in the two other AZs. Autoscaling group: Nodes that will be part of the EC2 Auto Scaling Group (ASG). Auto scaling offers the following advantages: Automatic scaling allows some servers to go into sleep mode during low load times, reducing costs. Auto Scaling supports four plans: maintain current levels; manual scaling; scheduled scaling, dynamic scaling. As such, it's fundamental that if you are designing, operating or managing services within AWS you should be familiar with ELB and auto scaling concepts and configuration. You create collections of EC2 instances, called Auto AWS Auto Scaling is a service that automatically monitors and adjusts compute resources to maintain performance for applications hosted in the Amazon Web Services public cloud. Platform9 Managed Kubernetes (PMK) Overview Scale Up in AWS: Scale up is equivalent to scale ability of systems. Recently, we’re about to launch a new app but we did not have any idea about the traffic we’ll get. The AWS CloudFormation Template deploys an initial VM-Series firewall Auto Scaling Group using a bootstrapped image stored in AWS S3. Amazon Redshift Answer: A,B 13. Here we havedecided to increase the number of instance by 1 one whenever the average CPUusage reaches 60% and decreases by 1 when that averageis below 60%of theCPU usage. Auto scaling is easy. 12. Amazon EC2 B. Delete instances from Workload Security as a result of Auto Scaling. We use Ubuntu 14. 8. # Create step scaling policy for ECS Service-name: scaling_policy community. Auto Scaling is a web service designed to launch or terminate Amazon EC2 instances automatically based on user-defined policies, schedules, and health checks. Now I want to ask. autoscale Hey everyone. 2. com/ec2/. 31. The value for this parameter can be either CONTINUE or ABANDON: string "ABANDON" no: initial_lifecycle_hook_heartbeat_timeout: Defines the amount of time, in seconds, that can elapse before the lifecycle hook times out. This feature perfectly fits the needs of a Hazelcast cluster. It lets you deploy and scale the usage of ready-to-use 3D optimization scenarios that are pre-configured to connect to your 3D on your AWS Simple Storage Service. this includes the ability to operate and test the workload through its total lifecycle. Q148: A user is identify that a huge data download is occurring on his instance he has already set the auto scaling policy to increase the instance count when the network Input Output increase beyond a threshold limits how can the user ensure that this temporary event does not result in scaling The network I/O are not affecting during data download Auto Scaling. For more information, see Health check grace period in the Amazon EC2 Auto Scaling User Guide. Model 3: Storage and permissions • S3 • Storage Classes • Version • Object Lifecycle AWS Infrastructure. Terraform 0. Auto scaling can automatically scale out by instantiating additional FortiGate-VM instances at times of high workloads. Amazon ECS leverages the Application Auto Scaling service to provide this functionality. Its ability to improve the availability of an application or a service, while still keeping cloud infrastructure costs under check, has been applauded by many enterprises across verticals, be it fleet management services or NASA’s research base. Amazon AutoScaling | Autoscaling Setup | AWS Services | AWS Tutorial For Beginners#Autoscaling #Amazon #AWS #EC2SUBSCRIBE my channel:https://www. The scenario in which you can use Auto Scaling properly is in which you have an application When you want to dynamically grow or shrink a set of servers in AWS, you need to understand Auto Scaling. To run auto scaling, you must enable/subscribe to coexisting AWS services: Route 53; API gateway; Load Balancer; CloudWatch; Lambda; SNS; DynamoDB; Simple Storage Services (S3) (BYOL only) AWS Auto Scaling ensures that an organization always has the correct number of Amazon EC2 instances available to handle the load of your application. Open the EC2 Auto Scaling Groups console. g. When government will announce any result lot of traffic will increase on your website for limited time of period. If you can see that there is network performance bottleneck or IO is not performing as expected and causing huge delays. You should create a scaling plan for your application’s resources with AWS Auto Scaling if you want automatic scaling for multiple resources across multiple services. Auto Scaling Group Cooldown Period. Command to describe launch configuration AWS Auto Scaling is an AWS service that allows users to increase or decrease the number of EC2 instances within their application’s architecture. The on-demand nature of the AWS platform allows you to scale your workloads to support your unique traffic peaks during key events, such as Black Friday (the big shopping day after the US Thanksgiving holiday) or the Amazon EC2 Auto Scaling groups, Elastic Load Balancing, Amazon FSx, Amazon RDS) Implement fault-tolerant workloads (for example, Amazon Elastic File System [Amazon EFS], Elastic IP addresses) Implement Route 53 routing policies (for example, failover, weighted, latency based) 2. For more information, see What Is Amazon EC2 Auto Scaling. After you have added an AWS Account in the Deep Security Manager, instances that no longer exist in AWS as a result of Auto Scaling will be automatically removed from the Deep Security Manager. From the navigation pane, select Auto Scaling Groups > (select your group). Delete instances from Deep Security as a result of Auto Scaling. 5. AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The Auto scaling policies are instructions given to the Auto Scaling group to launch or kills instances based on certain criteria. To view integration data, go to one. Usage An AWS Auto Scaling group (ASG) is a fleet of EC2 instances that can scale up or down depending on application demand. When we are not sure or predict the volume. To get started, you need to create a capacity provider associated with the Auto Scaling Group that manages the EC2 instances forming your ECS cluster. Select the check box for your Auto Scaling group. FortiGate-VM instances can be scaled out automatically according to predefined workload levels. the "auto scaling" aws service refers to creating and terminating load balanced instances based on alarms. First, Auto Scaling is a way to set the “cloud temperature. Terraform module which creates Auto Scaling resources on AWS. youtube. If the array returned by the describe-auto-scaling-groups command output contains just one value (i. Use it from time-to-time or extensively without friction as it natively takes benefit from formidable AWS container service elasticity and orchestration. Various templates known as launch configurations can be used to launch EC2 instances in an Auto Scaling group. An ordered list of criteria used for selecting instances to be removed from the Auto Scaling group when reducing capacity. Auto Scaling Group Health Check. An Auto Scaling group could also be attached to different versions of the launch configuration to enable blue-green In this post we will show you how to use Terraform to spin up an AWS Auto Scaling Group that uses instance memory utilization as the trigger for adding/removing instances from the group. For more information, see Rebalancing activities in the Amazon EC2 Auto Scaling User Guide. Auto Scaling is a web service designed to launch or terminate Amazon EC2 instances based on user-defined policies, schedules, and health checks. layer-3 [1] auto-scaling information in the original packet headers is preserved) which eliminates the need for making any changes to the application stack. We’ve defined three distinct groups and IAM profiles to configure on AWS. Amazon Route 53 E. Amazon DynamoDB C. IOT Virtual Conference - Register now to book your ticket and get updates x TRY CSharp. AWS Auto Scaling groups provide two basic ways to handle this: the EC2 health check or an ELB health check. All you need to do is specify the percentage of healthy instances to keep in the group while ASG terminates and launches instances, and the warm Open the Amazon EC2 console at https://console. Autoscaling configuration requires the following :-Autoscaling launch configuration which allows you to select an AMI; Instance type; IAM role (optional) Security group; Key pair file I have read about those that auto scalling is to add/subtract instances with respect to traffic and load balancing is to balance loads between instances. asg_max_count desired_capacity = var. The problem is that AWS Auto Scaling will have spun up an instance based on the original Amazon Machine Image (AMI) that was used. Amazon ECS leverages the Application Auto Scaling service to provide this functionality. The Amazon Auto Scalingservice allows launching or terminating Amazon EC2 instances automatically. IaaS platforms make auto scaling possible, usually in a way that is much more straightforward than scaling up in a datacenter. CentricMinds can be used in an automated scaling scenario, being added and removed as desired, without any on-going assistance from AWS or CentricMinds. Fixed Auto Scaling ensures that AWS replaces instances that fail, while manual Auto Scaling adds or removes instances by hand. It could have been in hundreds or even thousands. AWS Auto Scaling automatically discovers and tracks the performance of all the scalable resources -- which can span various cloud services -- that support a user's application. After you have added an AWS Account in Workload Security, instances that no longer exist in AWS as a result of Auto Scaling will be automatically removed from Workload Security. EC2 Auto Scaling automatically adds or removes instances to match the desired capacity number. AWS announced Cluster Auto Scaling for ECS in December 2019. We can specify a minimum number of EC2 instance in that group and auto-scaling will maintain and ensure the minimum number of EC2 community. Placement group cannot span multiple Availability Zones. Which aws services may be scaled using aws auto scaling? A. amazon. These types of resources are supported: Launch Configuration; Auto Scaling Group; Terraform versions. AWS Auto Scaling continuously monitors our RDS server and scales up or scales down the server automatically accordingly to the workload. 2 Agenda • Amazon CloudWatch • Auto Scaling 3. This key is used for encrypting and decrypting Access Manager credentials stored in the AWS EC2 Parameter store. The console window will appear as shown below: Click on Create Auto Scaling Group to start creating your AWS Auto Scaling Group. ” You use policies to “set the thermostat,” and under the hood, Auto Scaling controls the heat by adding and subtracting Amazon EC2 resources on an as-needed basis in order to maintain the “temperature” (capacity). Scheduled Auto Scaling is used when your load varies by date/time only and dynamic Auto Scaling is for when your load changes unpredictably. What is even more powerful is that you can tie the Auto Scaling is a web service designed to launch or terminate Amazon EC2 instances automatically based on user-defined policies, schedules, and health checks. PAN-OS bootstrapping can also automatically attach the VM-Series firewall to Panorama if it has been deployed. The firewall cluster can be deployed either to integrate with existing resources in an AWS region, or as part of an auto scaling application. name initial_lifecycle_hook {name = "lifecycle-launching" default_result = "CONTINUE" heartbeat_timeout = 60 lifecycle_transition = "autoscaling:EC2_INSTANCE_LAUNCHING" notification_target_arn = module. Auto scale to adjust to load. Elastic scaling is more widely used than fixed-size auto scaling. AWS Auto Scaling provides a single user interface that makes using scaling features for multiple AWS services an organized, easy process. For example, if the traffic to your web application consistently increases on Wednesday, remains high on Thursday, and starts to decrease on Friday, you can use scheduled Auto Scaling to automatically increase capacity to match the predictable traffic patterns of your web EC2 Auto Scaling supports cooldown periods when using simple scaling policies, but not when using target tracking policies, step scaling policies, or scheduled scaling. Firstly we need to configure web server which will be used in our demo. See About adding AWS accounts for details on adding an AWS account. Auto Scaling is enabled by CloudWatch and does not carry additional fees. With AWS Auto Scaling, you can change the number of EC2 instances in an Auto Scaling group, either manually or automatically, based on schedule or demand. So, coming back to our scenario: one might wonder if these Scheduled Actions can be used to update the ASG’s min-desired values to 0-0 and then again, reset the min-desired values to desirable values like, say, 1-2. Select the Auto Scaling Group for which you want to manually scale the number of EC2 instances. Scale-in events. This service provides a single user interface used to automatically scale your applications using multiple AWS services. Steps to configure-setup auto scaling in AWS for web server. Now that our Lambda function is handling suspending and resuming Auto Scaling processes for us, we can change HANDLE_PROCS in common_functions. Predictive scaling. It offers you a scalable capability to automatically scale or shrink to meet your needs. With Auto Scaling we can make sure that we have the desired number of EC2 instances always running. If you can see that there is network performance bottleneck or IO is not performing as expected and causing huge delays. com/ec2/. Auto Scaling. com. In Datadog, each Auto Scaling metric is tagged automatically with its autoscaling_group. EC2 instances fail to launch with Autoscaling configuration. Amazon CloudWatch 4. Description. aws. Auto scaling in AWS is used for scalability,fault tolerance and high availability of servers/applications/websites automatically. The FortiGate Auto Scaling solution utilizes AWS native tools, templates, and infrastructure including: nn CloudFormation: Enables you to use a template file to create and provision a collection of resources together as a single unit (a stack) Create Horizontally Auto-Scaling Cluster on AWS. We need a ELB style 'connection draining' for when a web server is nominated to be terminated, so there is a window where the server will not accept any new connections. Auto Scaling. In order to configure web server in AWS follow Below link: Setup AWS Target tracking scaling policies simplify how you configure dynamic scaling. Predictive is only available for EC2 auto scaling groups and the scaling can work in a number of ways: Delete instances from Deep Security as a result of Auto Scaling. EC2 auto scaling launch configuration and auto scaling groups are created. Auto Scaling helps reduce cost by Auto Scaling could be difficult to debug and nasty situations may occur like: A group of instances starting while you are away or a new instance starting and stoping every 20 seconds with bad billing consequences (AWS will charge you a full hour for any started instance, despite it has been only one minute running). aws. Simple Deployment to an Auto Scale Group — with EC2 Instances. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services. This tip will only cover Dynamic Auto Scaling. one AZ name), as shown in the example above, the selected AWS Auto Scaling Group can launch EC2 instances only within a single Availability Zone (in this case us-east-1a), therefore its auto-scaling configuration is not multi-AZ. See ‘aws help’ for descriptions of global parameters. CloudWatch metrics and alarms – KPI to monitor and trigger an alarm directed to the Application Auto Scaling endpoint. com/ HOW TO CREATE AWS STEP AUTO SCALING POLICY: Login to your AWS console and go to AutoScaling Groups in EC2 service. Pin module version to ~> v3. AWS offers an Auto Scaling feature, which allows to dynamically provision EC2 instances depending on specific metrics (CPU, network traffic, etc. What is Auto Scaling and what we are going to do in this post? Most Cloud services provides the advantage of auto scaling and Amazon Web Services provides the AWS Auto Scaling service which means that based on incoming traffic, Amazon ec2 instances will increase and decrease to handle the traffic. Solutions like AWS Auto Scaling automatically scale the amount of computational resources allotted to your operation up or down based on application load. Amazon CloudWatch & Auto Scaling AWS Black Belt Tech Webinar 2014 (旧マイスターシリーズ) アマゾンデータサービスジャパン株式会社 ⼭山本教仁 2. You are an AWS Solutions Architect. Aws auto scaling is a service by which we can scale up and scale down our EC2 instances. Solutions like AWS Auto Scaling automatically scale the amount of computational resources allotted to your operation up or down based on application load. Desired capacity should be set greater than or equal to the min value and less than or equal to max value. The boot process of an instance takes about 45 to 60 seconds. Is the scenario I outline possible, or do we need our web app to be stateless and sharing session across the web servers? Auto scaling in DHS allows dynamic response to varying workload demand throughout the day, without having to size environments to peak demand. Amazon EC2 Auto Scaling marks an instance as unhealthy if the instance is in a state other than running , the system status is impaired , or Elastic Load Balancing reports that the instance failed the health checks. Submit pull-requests to master branch. asg_desired_count launch_configuration = aws_launch_configuration. We want to use Auto-scaling groups with our web servers. An Auto Scaling group could also be attached to different versions of the launch configuration to enable blue-green An autoscaling group will start by launching as many instances as specified as the desired capacity. AWS Auto Scaling is about trust. With one look at this dashboard, we had all the information required to assess our AWS Auto Scaling behavior. Prerequisites. These generally should be included in the configuration so Terraform does not attempt to remove them and so if the min_size was greater than zero on creation, that these tag(s) are applied to any initial EC2 Instances in the Auto Scaling Group. g with an EC2 instance, if one is unhealthy it is auto terminated and a new one is started. You can trigger an Instance Refresh using the EC2 Auto Scaling Management Console, or use the new StartInstanceRefresh API via the AWS CLI or any AWS SDK. See Deploying auto scaling on AWS . Which service should be used to estimate the costs of running a new project on AWS? A. Which aws services may be scaled using aws auto scaling? A. © pexels. Correct Answer: B. Instance Refresh is an EC2 Auto Scaling feature that enables automatic deployments of instances in Auto Scaling groups in order to release new application versions or make infrastructure updates. The Resources associated with a server cluster generally scale up and scale down dynamically through mechanisms such as load balancer, AutoScaling groups, Amazon Machine Image (AMI), EC2 Instances and Snapshots. By load balancing traffic evenly, it would reduce the demand put upon each instance and reduce the chance of the first web server failing or slowing due to high CPU usage. You can optimize availability, costs, or a balance of both. AWS Auto Scaling automates the process of adding (scaling up) OR removing (scaling down) EC2 instances based on the traffic demand for your application. Created below Auto Scaling Group configuration in my lab. Make sure that the IAM account you are using is allowed to invoke operation DescribeTags from EC2 API set. EC2 Placement Groups. You can trigger an Instance Refresh using the EC2 Auto Scaling Management Console, or use the new StartInstanceRefresh API via the AWS CLI or any AWS SDK. The Reliability pillar includes the ability of a workload to perform its intended function correctly and consistently when it’s expected to. To change the size of your Auto Scaling group from AWS console, follow these steps - Step 1. A placement group is a logical grouping of EC2 instances within the same Availability Zone. The default value is 0. The course is designed around 20 scenario based questions. This scenario could cost around $2,000 – $6,000 USD or even MUCH more. You can define the scaling policy and Aurora acts accordingly. ec2_asg_info – Gather information about ec2 Auto Scaling Groups (ASGs) in AWS Note This plugin is part of the community. Instances can be automatically added when things are busy, and terminated when things are less busy. e. Ensure app-tier Auto Scaling Group has an associated Elastic Load Balancer. Horizontal auto-scaling of a Kubernetes cluster is possible with spot instances or by enabling auto-scaling on the cluster. An Auto Scaling group could also be attached to different versions of the launch configuration to enable blue-green community. Because it operates on your AWS tenant, Pixyz Scenario Processor keeps your 3D data safe. Auto Scaling helps you maintain application availability and allows you to scale your Amazon EC2 capacity up or down automatically according to conditions you define. Amazon EC2 Auto Scaling helps you ensure that you have the correct number of Amazon EC2 instances available to handle the load for your application. Auto Scaling makes sure that Amazon EC2 instances are enough to run your application. AWS EC2 Auto Scaling. Common Auto Scaling scenarios include unplanned traffic spikes (e. How Auto Scaling works. Which service should be used to estimate the costs of running a new project on AWS? A. The users also get severity warnings when the limit is about to be crossed so that they can put a request for increasing the defined limit. Learn more Amazon EC2 Auto Scaling tries to rebalance the group, and rebalancing might terminate instances in other zones. Step 02 - Getting Started with AWS Key Management Service KMS. We also provide a demonstration of the service. AWS Auto Scaling. This is where AMIs come into the picture. AWS Auto Scaling Group (ASG) Terraform module. Various templates known as launch configurations can be used to launch EC2 instances in an Auto Scaling group. 0. ASG(Auto Scaling Group) feature comes along with EC2 (Elastic Compute Cloud) service of AWS(Amazon Web Services) Cloud. Amazon Elastic Compute Cloud is the service you use to create and run virtual machines (VM), also known as instances. Auto Scaling helps reduce cost by adjusting the number of instances to the right number for the current workload. The group module will provision security group, launch configuration and auto scaling group resources. Step 03 - Connecting AWS KMS with S3 - Server Side Encryption SSE. autoscale_dns. A lot has been written about the benefits of immutable A brief architectural overview and demonstration of how the VM-Series integration with AWS Auto Scaling works. Using termination_policies=Default when modifying an existing AutoScalingGroup will result in the existing policy being retained instead of changed to Default . Model 1: Elastic Cloud Computing (EC2) • EC2 • EBS • ELB • Cloud Watch • SNS • Auto Scale • R53 . It is easy to setup a Auto Scaling group if you have a ELB configured in front of your webservers, but in some scenarios if a customer wants to do auto scaling without using EBL it becomes difficult. We can create an auto-scaling group which contains a collection of EC2 instances. The Windows PowerShell scripts provided with this Step 01 - Understanding Data States, Encryption, KMS and Cloud HSM. If I auto scale some instances, do I need to do installations on all instances or some one instance? If one then what will be my primary instance? 12. Preparing the pilot light environment is no small task. e. We can create an auto-scaling group which contains a collection of EC2 instances. In this video, get an introductory overview to the Auto Scaling capabilities of AWS. This scenario facilitates a much faster recovery time than the backup and restore scenario, but it obviously requires much more front end work as well as a greater financial investment. Amazon DynamoDB C. Delete instances from Workload Security as a result of Auto Scaling. this paper provides in-depth, best practice guidance for implementing reliable workloads on aws. Delete instances from Deep Security as a result of Auto Scaling. Amazon S3 D. 0 or newer; AWS provider; Group Module. Informed and Smart Decisions. newrelic. Ensure Amazon Auto Scaling Groups are utilizing cooldown periods. Scenarios 1 and 2: Auto-scaling is designed to be used with "immutable" EC2 instances. Create Horizontally Auto-Scaling Cluster on AWS. IAM profile: Required by k8s nodes where cluster-autoscaler will be running. With Auto Scaling we can make sure that we have the desired number of EC2 instances always running. To run Auto Scaling, coexisting AWS services must be enabled/subscribed: Auto Scaling AWS Black Belt Online Seminar 2017 アマゾン ウェブ サービス ジャパン株式会社 ソリューションアーキテクト 千葉 悠貴 This course will build your foundation on AWS and its multiple services, it will also thoroughly prepare you for AWS Solutions Architect Associate and SysOps Administrators Certifications. This number can only be within or equal to the minimum or maximum. The next window will appear as shown : resource "aws_autoscaling_group" "my_asg" {name = "myASG" vpc_zone_identifier = var. We’ll use Auto Scaling Event Notifications to trigger a Lambda function which will perform leader election for us, keeping our solution completely transparent from our application and maintaining automatic scalability . Auto Scaling. - How to setup AWS Auto-scaling from scratch?- How to choose subnets correctly?- Configuring a Public ELB with Private EC2 instances. On the navigation pane, choose Auto Scaling , Auto Scaling Groups . The actual exam too will test you using similar questions. In addition, Windows PowerShell scripts can be used for a more detailed configuration of the Windows-based Amazon EC2 instances. aws auto scaling scenarios