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Questions tagged [autoscaling]

282 questions
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OpsWorks Auto Healing instances that fail ELB (load balancer) test

From the AWS documentation I understand that some kind of unresponsiveness from an instance will cause it to be terminated. There is nothing in the docs that would suggest that ELB health checks can be used to mark instance as failed. What, if…
Tjunkie
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How can I level out my auto scaling checks?

So, I have been playing around with my auto scaling config and my Cloudwatch alarms to try and keep all my instances purring but not roaring. I can't seem to get rid of a constant yoyo. CPU usage goes up, introduce an instance, CPU usage goes down,…
Christian
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Elect which instance to tear down in Azure

Suppose I want to scale up/down my Azure Cloud Service Programmatically. The scaling up case is easy. But when scaling down, can I control which instance gets torn down? Is this predictable? In my particular use case I have a queue of very…
Michael Haren
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m/monit and ec2 autoscaling

I've been using monit for some time and have really liked it thus far. I recently decided to give m/monit a try and the UI looks great and is super informative. My only hang up is monitoring servers that are autoscaling on amazon AWS and getting a…
tonyl7126
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The Foreman EC2 Auto Scaling Cleanup

OK, so I have setup in the user-data section of my launch configuration, a way for an instance to automatically register itself with Foreman, and put itself into the correct host group through API calls. Now with the ephemeral nature of auto…
seemach1
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When EC2 instance goes down, how to bring up new machine with existing EBS volume?

We've got an app where customers upload data and documents to a number of EC2 instances. We store the uploads on EBS volumes. Occasionally our app will fail. Sometimes it's something in our app server, and sometimes it's bad EC2 hardware. How can I…
Shef
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AWS auto scaling setup bootstrap script and ssh access

I'm not a specialist in networking and I'm struggling at the moment trying to setup auto scaling for a web application. I have one server - we can call it master - (outside the auto scaling group) which I use for memcache and beanstalkd queue. I…
maxwell2022
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What tooling already exists to scale down Azure Web and Worker roles during off peak times?

Having inherited a large number of Dev, Test, UAT and Integration environments I notice that a very large number of deployments are left idle during evenings and weekends. We have done what we can to educate owners of those environments to delete…
Richard Slater
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Control ELB by Traffic load

We recently used Amazon AWS. Now our application is on the cloud. And we configured ELB with Auto Scalling and it works fine. We need to modify the ELB and control how it works. I checked all the configuration and couldn't do it. How could we…
Bassam Gamal
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Autoscaling EC2 with NFS mounts

I'm trying to set up a shared filesystem on EC2 and I've read tutorials such as this: http://blog.ronaldmccollam.com/2012/07/configuring-nfs-on-ubuntu-in-amazon-ec2.html In step 2 it talks about configuring the exports, for this I need an IP range…
Jamie Taylor
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Autoscaling EBS volumes

I've had a quick look for metrics in Cloudwatch and couldn't see anything but forgive me if I missed it. I would like to know if it's possible to watch and EBS volume and add more when it is nearing capacity. Is this something I can do through…
Jamie Taylor
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Persistent Spot Instance Request with CloudFormation

Is it possible to create "Persistent Spot Instance" with AWS CloudFormation ? I'm going through the Autoscale and EC2 CloudFormation's template references but there is no mention how to set a property so the Spot requests stay persistent. When the…
PapelPincel
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What is the auto-scaling policy priority?

Asked this over at the AWS forums with no response, so I thought I'd give it a go here. If I have two auto-scaling priorities: 25% increase 50% increase And I have two separate alarms on CPU utilization for them: 50% CPU Utilization = 25%…
Bazman
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Can I associate my spare Elastic IP addresses to an Amazon EC2 instance started in an Autoscale group and Monitoring?

I want to know if I can reserve a number of Amazon Elastic IP addresses and assign them to instances started by Autoscale. So basically, when a new instance is started because a trigger has been triggered can I also set the API to look for a spare…
undefined
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AWS EC2 auto-scaling Windows server: how to set the hostname ("computername")?

I have an elaborate framework for autoscaling UNIX servers to configure their hostname with a script on launch (startup) using an NFS (EFS) where they look up what their hostname should be, then set hostname and move on. When trying to do the same…
Gunther Schadow
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