Limitations of AWS (Amazon Web Services) EC2 Autoscaling
There are several limitations to consider when using Amazon EC2 Auto Scaling:
- Number of instances: Amazon EC2 Auto Scaling can support a maximum of 500 instances per Auto Scaling group.
- Instance health checks: Auto Scaling uses Amazon EC2 instance health checks to determine the health of an instance. If an instance fails a health check, Auto Scaling will terminate it and launch a new one. However, this process can take some time, which can impact the availability of your application.
- Scaling policies: Auto Scaling allows you to set scaling policies based on CloudWatch metrics, but these policies can be complex to configure and may not always scale your application as expected.
- Application dependencies: If your application has dependencies on other resources or services, such as a database or cache, it may not scale as expected if those resources become overloaded or unavailable.
- Cost: Using Auto Scaling can increase the cost of running your application, as you may be charged for the additional instances that are launched.
Overall, it’s important to carefully consider the limitations of Amazon EC2 Auto Scaling and how they may impact your application when deciding whether to use this service.To know the difference between Auto scaling and load balancing refer to Auto Scaling vs Load Balancer.
Amazon Web Services – Auto Scaling Amazon EC2AWS(Amazon Web Services) Auto ScalingBenefits of Auto Scaling
Scalability refers to the capacity of a software solution to manage rising workloads. In simple terms, it is the ability of a system to readily add extra processing resources to handle the increased loads. Scaling Amazon EC2 means you start with the resources you require at the time of starting your service and build your architecture to automatically scale in or out, in response to the changing demand. As a result, you only pay for the resources you really utilize. You don’t have to be concerned about running out of computational power to satisfy your consumer’s demand.
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