Tagged Questions

0
votes
0answers
25 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
43 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
38 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 ...
1
vote
1answer
111 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
52 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
55 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
135 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
108 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
390 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
88 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
177 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 ...
1
vote
1answer
249 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
327 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
309 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
212 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 ...
1
vote
1answer
309 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
223 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
308 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
646 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
338 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 ...