Amazon Web Services
Amazon EC2 Auto Scaling:
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. You create collections of EC2 instances, called Auto Scaling groups. You can specify the minimum number of instances in each Auto Scaling group, and Amazon EC2 Auto Scaling ensures that your group never goes below this size. You can identify the most number of instances in each Auto Scaling group, and Amazon EC2 Auto Scaling ensures that your group never goes above this size. If you specify the preferred capacity, either when you create the group or at any time thereafter, Amazon EC2 Auto Scaling ensures that your group has this many instances. If you specify scaling policies, then Amazon EC2 Auto Scaling can launch or finish instances as demand on your application increases or decreases.
For example, the following Auto Scaling group has a minimum size of one instance, a desired capacity of two instances, and a maximum size of four instances. The scaling policies that you define adjust the number of instances, within your minimum and maximum number of instances, based on the criteria that you specify.
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Auto Scaling Components:
Groups:
Your EC2 instances are ready in to groups, so that they can be treated as a rational unit for the purposes of scaling and running. When you create a group, you can specify its minimum and, desired number of EC2 instances.
Configuration templates:
Your group uses a launch template or a launch configuration as a patter templates for its EC2 instances. You can identify information such as the AMI ID, instance type, key pair, security groups, and block device mapping for your instances.
Scaling options:
.Amazon EC2 Auto Scaling provides several way for you to scale your Scaling groups.For example, you can configure a group to scale based on the incidence of specific conditions(dynamic scaling) or on a schedule.
Elastic Web Scale Computing:
Amazon EC2 enables you to increase or decrease capacity within minutes, not hours or days. You can commission one, hundreds, or even thousands of serves instances simultaneously. You can also use Amazon EC2 Auto Scaling to maintain availability of yours EC2 fleet and automatically scale your fleet up and down depending on its needs in order to maximize performance and minimize cost. To scale multiple services, you can use AWS Auto Scaling.
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. You create collections of EC2 instances, called Auto Scaling groups. You can specify the minimum number of instances in each Auto Scaling group, and Amazon EC2 Auto Scaling ensures that your group never goes below this size. You can identify the most number of instances in each Auto Scaling group, and Amazon EC2 Auto Scaling ensures that your group never goes above this size. If you specify the preferred capacity, either when you create the group or at any time thereafter, Amazon EC2 Auto Scaling ensures that your group has this many instances. If you specify scaling policies, then Amazon EC2 Auto Scaling can launch or finish instances as demand on your application increases or decreases.
For example, the following Auto Scaling group has a minimum size of one instance, a desired capacity of two instances, and a maximum size of four instances. The scaling policies that you define adjust the number of instances, within your minimum and maximum number of instances, based on the criteria that you specify.
.
Auto Scaling Components:
Groups:
Your EC2 instances are ready in to groups, so that they can be treated as a rational unit for the purposes of scaling and running. When you create a group, you can specify its minimum and, desired number of EC2 instances.
Configuration templates:
Your group uses a launch template or a launch configuration as a patter templates for its EC2 instances. You can identify information such as the AMI ID, instance type, key pair, security groups, and block device mapping for your instances.
Scaling options:
.Amazon EC2 Auto Scaling provides several way for you to scale your Scaling groups.For example, you can configure a group to scale based on the incidence of specific conditions(dynamic scaling) or on a schedule.
Elastic Web Scale Computing:
Amazon EC2 enables you to increase or decrease capacity within minutes, not hours or days. You can commission one, hundreds, or even thousands of serves instances simultaneously. You can also use Amazon EC2 Auto Scaling to maintain availability of yours EC2 fleet and automatically scale your fleet up and down depending on its needs in order to maximize performance and minimize cost. To scale multiple services, you can use AWS Auto Scaling.
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