- What is vertical scaling and horizontal scaling in Azure?
- What is the difference between auto scaling and load balancing?
- What is azure advisor?
- What is the default cooldown period in auto scaling?
- What is horizontal and vertical scaling?
- What is horizontal auto scaling?
- Is Azure Traffic Manager a load balancer?
- Which of the following are the options for auto scaling in Azure?
- What is the purpose of auto scaling?
- What is a load balancer in Azure?
- What is the difference between scaling up and scaling out?
- How do I create a load balancer in Azure?
- What are the types of load balancer?
- What is vertical scalability?
- Which of the following does auto scale control?
- What is scale out in Azure?
- How do you scale a web application?
- What are availability sets in Azure?
- What is scale up and scale out in Azure?
- What are the two main components of auto scaling?
- What is Azure CDN?
What is vertical scaling and horizontal scaling in Azure?
Vertical scaling, also known as scale up and scale down, means increasing or decreasing virtual machine (VM) sizes in response to a workload.
Compare this behavior with horizontal scaling, also referred to as scale out and scale in, where the number of VMs is altered depending on the workload..
What is the difference between auto scaling and load balancing?
Load balancing evenly distributes load to application instances in all availability zones in a region while auto scaling makes sure instances scale up or down depending on the load.
What is azure advisor?
Azure Advisor analyses your configurations and usage telemetry and offers personalised, actionable recommendations to help you optimise your Azure resources for reliability, security, operational excellence, performance and cost.
What is the default cooldown period in auto scaling?
300 seconds(The default is 300 seconds.) This gives newly launched instances time to start handling application traffic. After the cooldown period expires, any scaling activities that are triggered after the cooldown period can resume.
What is horizontal and vertical scaling?
With vertical scaling (a.k.a. “scaling up”), you’re adding more power to your existing machine. In horizontal scaling (a.k.a. “scaling out”), you get the additional resources into your system by adding more machines to your network, sharing the processing and memory workload across multiple devices.
What is horizontal auto scaling?
Horizontal Auto Scaling allows a user to create a set of rules to start or stop a previously-provisioned Cloud Server assigned to a VIP when a pre-defined monitoring threshold is breached. This allows users to scale the number of servers servicing a VIP up or down based on monitoring results.
Is Azure Traffic Manager a load balancer?
The Azure Traffic Manager is a cloud-based load balancing service that allows you to control the distribution of user traffic for service endpoints in different datacenters. Traffic Manager is not a proxy or a gateway.
Which of the following are the options for auto scaling in Azure?
Azure provides built-in autoscaling for most compute options.Azure Virtual Machines autoscale via virtual machine scale sets, which manage a set of Azure virtual machines as a group. … Service Fabric also supports autoscaling through virtual machine scale sets. … Azure App Service has built-in autoscaling.More items…•
What is the purpose of auto scaling?
Autoscaling is a cloud computing feature that enables organizations to scale cloud services such as server capacities or virtual machines up or down automatically, based on defined situations such as traffic ir utilization levels.
What is a load balancer in Azure?
An Azure load balancer is a Layer-4 (TCP, UDP) load balancer that provides high availability by distributing incoming traffic among healthy VMs. A load balancer health probe monitors a given port on each VM and only distributes traffic to an operational VM.
What is the difference between scaling up and scaling out?
Scaling out = adding more components in parallel to spread out a load. Scaling up = making a component bigger or faster so that it can handle more load.
How do I create a load balancer in Azure?
Create a Load Balancer ruleSelect All services in the left-hand menu, select All resources, and then click myLoadBalancer from the resources list.Under Settings, click Load balancing rules, then click Add.Use these values to configure the load-balancing rule: Table 3. … Leave the rest of the defaults and select OK.
What are the types of load balancer?
When talking about types of load balancers, it’s also important to note there are hardware load balancers, software load balancers, and virtual load balancers. Hardware Load Balancer: A hardware load balancer, as the name implies, relies on physical, on-premises hardware to distribute application and network traffic.
What is vertical scalability?
Vertical scaling can essentially resize your server with no change to your code. It is the ability to increase the capacity of existing hardware or software by adding resources. … It is the ability to connect multiple hardware or software entities, such as servers, so that they work as a single logical unit.
Which of the following does auto scale control?
You control what metrics to monitor, such as CPU or memory, how long the application load must meet a given threshold, and how many VM instances to add to the scale set. … If this decreased load is consistent over a period of time, you can configure autoscale rules to decrease the number of VM instances in the scale set.
What is scale out in Azure?
A scale out operation is the equivalent of creating multiple copies of your web site and adding a load balancer to distribute the demand between them. When you scale out a web site in Windows Azure Web Sites there is no need to configure load balancing separately since this is already provided by the platform.
How do you scale a web application?
So, if we take this one step at a time:Step 1: Ease server load. … Step 2: Reduce read load by adding more read replicas. … Step 3: Reduce write requests. … Step 4: Introduce a more robust caching engine. … Step 5: Scale your server.
What are availability sets in Azure?
An Availability Set is a logical grouping capability for isolating VM resources from each other when they’re deployed. Azure makes sure that the VMs you place within an Availability Set run across multiple physical servers, compute racks, storage units, and network switches.
What is scale up and scale out in Azure?
Scale-up – Upgrade the capacity of the host where the app is hosted (PAAS environment). … Scale-out – Upgrade the capacity of the app by increasing the number of host instances (PAAS Environment). Ex: Having a Load Balancer where your app is hosted on multiple instances.
What are the two main components of auto scaling?
AutoScaling has two components: Launch Configurations and Auto Scaling Groups.Launch Configurations hold the instructions for the creation of new instances. … Scaling Groups, on the other hand, manage the scaling rules and logic, which are defined in policies.
What is Azure CDN?
Azure Content Delivery Network (CDN) lets you reduce load times, save bandwidth and speed responsiveness—whether you are developing or managing websites or mobile apps or encoding and distributing streaming media, gaming software, firmware updates or IoT endpoints.