0
votes
0answers
3 views

Static IP address for outgoing traffic from AWS autoscaling group

I'm going to have a number of EC2 instances in an Elastic Beanstalk autoscaling group in a default subnet in a VPC. The app on these EC2 instances needs to connect to a third party service who uses an ...
0
votes
0answers
6 views

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 ...
1
vote
1answer
90 views

How do I create DNS entries for EC2 instances created by Auto Scaling?

I'm looking into using auto scaling groups for a tier of webservers that would be fronted by an ELB. One of the things I'm having a hard time with is how to give each new instance the proper DNS ...
1
vote
2answers
331 views

Spot instances frequently terminated in AWS auto scaling group (failing system health check)

We have 2 auto scaling groups (one for on-demand and one for spot instances) which are both set to a static number of instances (min, max, and desired are all the same - 5 in our case). The instances ...
0
votes
0answers
17 views

Silencing a CloudWatch alarm when MinServers is not exceeded

We have two CloudWatch alarms used to scale up and down an AutoScaling group based on CPU usage. We also have a minimum of two instances running at a time. This means that when CPU load is low on both ...
0
votes
0answers
134 views

AWS Cloudformation Bootstraping with S3 File and Autoscaling

I just started trying to use CloudFormation and am using it for some autoscaling. I am new to all this so bare with me. I am using the sample template for autoscaling found here. ...
-1
votes
1answer
154 views

How do I autoscale windows servers w/ amazon ec2

I'm building a distributed app which consists of a load balancer, web-server, database server, messaging queue, and backend workers. Workers consume messages off the queue, perform tasks and then ...
1
vote
1answer
433 views

AWS EC2 Instance Auto Scaling Confusion

So first off I'm completely new to AWS so bear with me. I have had one instance running for a few months now and I now need to autoscale it as I am getting bigger traffic spikes and it gets ...
0
votes
1answer
82 views

AWS Alarms in “ALARM” state not triggering Policy actions

Today I created an AutoScaling Group with several policies, each with an Alarm associated with a CloudWatch metric. The AutoScaling Group launched two instances, because that the minimum that I ...
3
votes
2answers
522 views

EC2 Update my existing AMI

I'm using Elastic Load Balancing to load balance my Auto Scaling Group, for that I have a private AMI that hold my application server (Tomcat) and my web app deployed to it as war ... Now everything ...
0
votes
1answer
111 views

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 ...
0
votes
1answer
252 views

Cloud formation - updating a stack behind an elb doesnt update the AMI

We are powering our AWS EC2 instances using cloud formation. We have 3 different stacks - testing, staging and production. Our workflow to update the images for any of the stacks is as follows: ...
4
votes
1answer
652 views

How to automatically update nginx upstream server list when aws ec2 hostname changes or increases?

I want to setup autoscaling in AWS. I don't want to use Elastic Load Balancer. Autoscalling in Amazon creates EC2 instances seamlessly during demand spikes to maintain performance, and decreases ...
0
votes
1answer
149 views

Creating auto scale group fails, “Launch configuration name not found”

I'm trying to create an autoscale group on Amazon. The load balancer is created and is up n' running. I've successfully created the launch configuration in eu-west-1 and it shows up when I run ...
0
votes
1answer
59 views

Amazon Auto Scaling and IP access control

We hava a project where we have to access a SOAP WS that is access-restricted via IP firewalling. So each one of our machines need to be added to the firewalling rules by our clients' security team. ...
0
votes
0answers
139 views

How to configure Cloudwatch and Autoscaling for our setup?

I have a few questions that I can't seem to find the answer to or figure out. I am confused about AS groups with our Websocket services. AFAIK, the groups will terminate a server, and then send the ...
0
votes
1answer
395 views

Approach to auto scale celery servers based on broker(redis) queue size

I am working on a project which requires rolling out new celery servers if the broker(redis) queue is consistently higher than a predetermined threshold size and killing the new boxes when the queue ...
0
votes
2answers
61 views

AWS Autoscaling Not Launching Correct Instance

I have an instance in AWS that I set up my entire environment (I'll call it my ready instance) on and is running perfectly. I then created a load balancer (ELB) with an autoscaling policy. When I ...
3
votes
1answer
900 views

ELB Instance Out of service

After implementing ELB and Autoscalling on Amazon AWS. There's a wierd issue happens and we don't know either the reason or the fix. We installed Auto Scalling configuration to add instance of AMI ...
1
vote
1answer
78 views

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 ...
0
votes
1answer
119 views

Switching between ondemand and spot instances depending on spot price

We are using EC2 spot instances for crawling data. At any given time we need to have 20 instances running. We are aiming for high availability as well as cost optimization. The scheme we want to ...
0
votes
1answer
529 views

What will happen to my EBS data when autoscaling my EC2 instance?

I have various websites hosted on 1 same single EC2 instance so far. In the root EBS volume of such instance I have: Codes and files of the websites which change every hour if not every minute Apache ...
0
votes
1answer
192 views

Time between AWS Notifying of Scale Down and Terminating instance

Here is the scenario, there are multiple EC2 instances behind a load balancer. When traffic dies down, the SCALE_DOWN policy is triggered from a CloudWatch alarm. What I would like, is for the ...
4
votes
1answer
923 views

EC2 Auto-Scaling with Spot and On-Demand Instances?

I'm looking to optimize the cost of our auto-scaling EC2 groups by having them launch spot instances instead of on-demand instances. What I really want is to be able to keep some servers in the group ...
1
vote
1answer
107 views

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 ...
0
votes
1answer
374 views

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 ...
2
votes
1answer
520 views

Bootstrapping in CloudFormation with Autoscale

My CloudFormation template creates an autoscale group and bootstrap it with utility script /opt/aws/bin/cfn-init. When I remove the bootstrap part out of my template the, autoscale get created without ...
2
votes
1answer
612 views

Approach to auto-scaling with Amazon AWS

I want to know about the possible options for auto-scaling my web app architecture. What I have in architect is web-app (Tomcat), middleware (RabbitMQ), database(MongoDB), worker(standalone Java app). ...
2
votes
3answers
1k views

How can I automatically cycle a new image in an AWS Auto Scaling Group?

I have a web application setup with a load balancer and auto scaling group to manage scaling. The source code is in a git repository so I don't have to update the images when the code changes, but ...
2
votes
1answer
340 views

using AWS autoscaling to reboot unhealthy instance

I intend to reboot a running AWS instance which has been marked as unhealthy behind an ELB. I have a setup where 2 instances are behind a Load Balancer and one of them contains lot of (>200 Gb) data ...
2
votes
1answer
423 views

AWS Cloud formation plus auto scaling

I have created a cloud formation script to launch two instances, attach a volume on startup, and setup a load balancer. Now I am looking at setting up auto scaling and I am confused by the launch ...
2
votes
1answer
290 views

AWS - Is there an UI tool for setting/editing auto-scaling groups?

Is there a tool that simplifies the auto-scaling group management? XML-based, UI-based, etc. Thanks
1
vote
3answers
359 views

How to quickly start an EC2 instance based on another instance?

I'm not even sure how to properly phrase this question, so please bear with me as I'm new with EC2 lingo/terminology. What I want to be able to do, is configure a template, if you must, and that ...
1
vote
1answer
854 views

Autoscaling and NFS Server

I have a WebServer say WS-1 and a NFS server say NFS-1 setup on AWS. WS-1 is being managed by an elastic load balancer and also autoscaled. It also has an EBS mounted on /var/www which contains all ...
1
vote
1answer
422 views

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 ...