Design for Compute Flashcards
What are Azure VM Scale Sets?
Azure VM Scale Sets are an Azure service that enables you to deploy and manage a group of identical virtual machines (VMs) as a single entity, automatically scaling the number of VMs based on demand.
How do Azure VM Scale Sets work?
You define a VM scale set with a desired number of VM instances and a configuration for the VMs.
Azure automatically distributes the VM instances across multiple fault and update domains for high availability.
You can set up auto-scaling rules based on metrics such as CPU usage or network traffic to dynamically adjust the number of VM instances.
What are the benefits of using Azure VM Scale Sets?
Scalability: Azure VM Scale Sets can quickly scale up or down the number of VM instances based on workload demands.
High availability: VM instances are distributed across fault domains and update domains, ensuring availability during hardware failures and planned maintenance.
Load balancing: Scale Sets can be associated with a load balancer to distribute incoming traffic across the VM instances.
Easy management: Scale Sets simplify the management of a group of VMs, allowing you to perform common operations on all instances collectively.
How can you deploy applications on Azure VM Scale Sets?
You can use custom virtual machine images or Azure Marketplace images to create VM instances with pre-configured application environments.
Configuration management tools like Azure PowerShell, Azure CLI, or Azure Resource Manager templates can be used to automate the deployment and configuration of VM Scale Sets.
Are Azure VM Scale Sets limited to a specific VM size or series?
No, Azure VM Scale Sets support a wide range of VM sizes and series, allowing you to choose the appropriate VM configuration for your workload.
Can Azure VM Scale Sets be used in conjunction with Azure autoscaling?
Yes, Azure VM Scale Sets can be integrated with Azure autoscaling to automatically adjust the number of VM instances based on pre-defined scaling rules.