EC2 Fleet and Spot Fleet are designed to be a useful way to launch a fleet of tens, hundreds, or thousands of Amazon EC2 instances in a single operation.

October 4, 2024 - When you request a Spot Instance, you define a maximum Spot price you’re willing to pay. The hourly Spot price varies based on demand for unused capacity in AWS. As long as the current Spot price is lower than your max price, your instance will be launched.

The following example launches Spot Instances in a capacity-optimized fleet. Request-EC2SpotFleet ` -SpotFleetRequestConfig_TargetCapacity 50 ` -SpotFleetRequestConfig_AllocationStrategy "CapacityOptimized" ` -SpotFleetRequestConfig_IamFleetRole "arn:aws:iam::123456789012:role/my-spot-fleet-role" ` -SpotFleetRequestConfig_LaunchTemplateConfig @($launchConfig)

June 30, 2025 - The Amazon EC2 Spot Instances launch steps (Source: https://aws.amazon.com/) A Spot fleet is a collection of Spot instances (note that this collection can optionally contain On-Demand instances as well).

Scaling your fleet on a schedule enables you to scale your application in response to predictable changes in demand. By creating scheduled actions, you can instruct Spot Fleet to perform scaling activities at specific times. To create a scheduled action, you must specify an existing Spot Fleet, the time when the scaling activity must occur, and the desired minimum and maximum capacity.

Answer: Spot fleet as the name suggests is a fleet of spot instances and at times On-Demand instances. Spot instances have a deficiency that they can be terminated by AWS whenever they want that too just with a warning of 2 minutes.

Depending on the selected EC2 instance type, AWS Region, and Availability Zone, AWS claims that Spot Instances can offer a 90 percent cost reduction compared to on-demand pricing. ... Spot Fleet is a collection of Spot Instances that attempts to maintain the capacity specified by customers.

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Because your Spot Instance capacity is sourced from pools with optimal capacity, this decreases the possibility that your Spot Instances will be interrupted when Amazon EC2 needs the capacity back. Get access to a wider set of capabilities. For workloads that need a launch-only API, and where you prefer to manage the lifecycle of your instance rather than let EC2 Fleet manage it for you, use the EC2 Fleet of type instant instead of the RunInstances API.

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Yes, you can access Isaac Sim on Brev, which gives one-click access to NVIDIA GPU instances on popular cloud platforms. You can also download it as a container from NGC and run it on your preferred CSP (cloud service provider). For AWS users, the Isaac Sim container is available on the AWS marketplace for easy deployment.

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April 1, 2025 - For example, if there’s a surge in demand for m5.large On-Demand instances, AWS may terminate your m5.large Spot Instances, leaving you without capacity, which can affect the performance of your application. Spot Fleet allows you to specify various EC2 instance types across different families.

December 15, 2022 - A Spot fleet is a collection of Spot instances which attempts to maintain the capacity you've specified. For example, when you run your application on a single m4.large On-demand instance, you can use Spot fleet to specify that your application ...

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IamFleetRole must be set up to point to the ARN of an IAM role that grants the Spot Fleet the permission to request, launch, terminate, and tag instances on your behalf. For this purpose, you are going to first retrieve the ARN of the Service-Linked role named AWSServiceRoleForEC2SpotFleet.

If your fleet includes Spot Instances and is of type maintain, Amazon EC2 will attempt to maintain your fleet target capacity when your Spot Instances are interrupted. ... Creating an EC2 Fleet is available only through the Amazon EC2 API, AWS CLI, AWS SDKs, and CloudFormation.

August 25, 2023 - By default, Spot Fleets are set to maintain target capacity by launching replacement instances after Spot Instances in the fleet are terminated. You can submit a Spot Fleet as a one-time request, which does not persist after the instances have been terminated. You can include On-Demand Instance requests in a Spot Fleet request. For more details, refer to the AWS documentation.

October 16, 2015 - My completely random ramblings :)