The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
0answers
11 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
32 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
vote
1answer
45 views

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 ...
0
votes
1answer
61 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 ...
0
votes
2answers
64 views

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 ...
1
vote
1answer
120 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
49 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 ...
0
votes
1answer
146 views

Can Amazon Elastic Beanstalk auto-scale Amazon RDS?

I'm planning to run a PHP/MySQL application using Amazon Elastic Beanstalk. In the settings I can define when it should launch new instances automatically (Auto-Scaling). However, as I understand ...
3
votes
2answers
183 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
71 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
101 views

High Availability on Windows Azure Websites

One of my main apps is hosted on Windows Azure's Websites platform. Given Friday's downtime, I realized that I need something that allows my app to stay online if Azure has an outage again. My ...
0
votes
1answer
125 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: ...
2
votes
1answer
401 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 ...
1
vote
1answer
277 views

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) ...
0
votes
1answer
108 views

Is memory usage the main cause of instance churn on Google App Engine? [closed]

I am experiencing sharp drops and spikes in instance count every 30 minutes although the request rate has been stable for 2h at 2.4k RPS. Periodically there are a lot of warmup requests after many ...
0
votes
1answer
106 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
51 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
105 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 ...
1
vote
2answers
33 views

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 ...
0
votes
0answers
80 views

SVN and NFS architecture

I have linux servers autoscaled and each mounts NFS drive on boot. The NFS is synced using SVN. When i change something in my files the changes only propagate to new servers. I have a lot of traffic ...
0
votes
1answer
222 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
57 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 ...
2
votes
1answer
610 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
73 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 ...
3
votes
1answer
157 views

EC2 Autoscale policy to terminate instances if not needed but before 1 hour

I have setup EC2 Autoscale policies along CPU monitors and it's working well. I have occasional bursts that triggers autoscale and more servers are added. If the servers are experiencing a burst ...
0
votes
1answer
99 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
349 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
158 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
754 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 ...
2
votes
2answers
569 views

Auto-scaling EC2 Servers and Updating Code

We've come to the point where we need to set up autoscaling for our web server and I'm unsure how to go about the process of scaling servers and updating the the existing code without remaking a new ...
1
vote
1answer
434 views

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 ...
2
votes
2answers
123 views

AWS AutoScaling as a robust unit of deployment?

Some of our apps have a requirement that they "work most of the time". They don't the full multi-AZ & ELB treatment for high availability. The irritating thing with EC2 is that, when a single ...
1
vote
1answer
391 views

Need a recommendation for shared storage on auto-scaling ec2 w/ scalr

I have come across so many answers to this question that I am completely lost! I am moving our 2 sites to a load balanced ec2 system with scalr as our cloud manager. Now the question is coming up ...
1
vote
1answer
99 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
308 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 ...
3
votes
2answers
296 views

EC2 - How do you tell the ELB when the machine is “ready”

I have a autoscaling setup with monitoring and all is well. The process for code deployment is now well in hand and basically does this. Create a new launch_config which defines the git commit to ...
0
votes
2answers
117 views

EC2 cost-effective webapp scaling

I have a webapp running in a Media Temple VPS account, and I'm currently evaluating the gains to switch to Amazon EC2. It's running under Apache 2 web server. This webapp for now has almost no access ...
2
votes
1answer
405 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
510 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
745 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
246 views

Starting Linode instances via StackScripts based on Nagios events

I'm developing a web application (django/gunicorn/nginx) that needs to be scaled out according to load. The app will be hosted on Linodes so I intend to use StackScripts (and maybe Puppet) to start ...
2
votes
2answers
2k views

Auto scaling AWS EC2 instnaces based on memory utilization

I am setting up auto scaling based on memory consumed by the particular instance. I went through the link posted at awsforums. I was able to set my metrics and using the bash script given and with the ...
0
votes
1answer
938 views

Can someone help me figure out an efficient auto scaling configuration? [closed]

This is my first time releasing a web app. I'm going to using Django with Nginx and a couple of other scripts that have been piped. I wanted to know which auto scaling strategy I can use. Right ...
2
votes
1answer
296 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 ...
3
votes
2answers
1k views

Amazon EC2 AutoScaling WordPress

I am currently looking to autoscale my wordpress installation on Amazon EC2. Everything is working, I can bundle my EBS instance, put some policy and then amazon run automatically instances behind my ...
1
vote
1answer
367 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
279 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
9
votes
6answers
2k views

EC2 Auto Scaling for mortals? Does that exist?

I have very simple EC2 setup with Eastic Load Balancer and two web servers under it. I need to automatically start additional instance when CPU on one of them reaches 100% or some instance fails. The ...
1
vote
1answer
150 views

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 ...
0
votes
0answers
214 views

Amazon EC2 AutoScaling, DNS, Domain and IP Problems

I have assigned AutoScaling to my instance. The problem is that I have to use a given DNS which is associated with my ElasticLoadBalance. Not the DNS with the single instance. Also I know that I ...