Questions tagged [autoscaling]

273 questions
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How to share a EFS/s3 with code in a auto scaling group?

the main problem is: Infrastructure: Autoscaling (min 1 - max 3) RDS ELB elasticache (redis) elasticsearch I want to share a volume (EFS / S3) with the code of my application; The size of it is about 1.3 Gb. With EFS: The first attempt I tried to…
sysalam0
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Host discovery in AWS VPC

I just have a basic question. What is the recommended way to handle automatic host discovery in an AWS VPC? I have these Servers running and I want to figure out a neat way to skip having to configure the /etc/hosts file on every machine to get them…
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Nosql autoscaling of compute

Most of the nosql autoscaling faces issue due to the fact the data have to be migrated during peak load. What if data is stored in a shared storage like CLVM which has less overhead(compared to NFS or shared file system). Now if each bucket/shard is…
kalyan
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Searching AWS AutoScalingGroup resources by tags

I'm searching for autoscaling groups by tags - all of our AWS resources have a number of tags applied to them. However I only want to find auto scaling groups, not other types of resources. The should be possible using the tagging API; from the…
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How to use the same target group of instances with 2 ELBs (ALBs) + auto-scaling

I'm trying to route some traffic to one target group from two ELBs (ALBs). One is external & the other one is an internal one. I have the following rules in my external ALB: IF path is /static/* THEN forward to frontends IF path is /media/* THEN…
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AWS auto-scaling policy - scaling-up too often

We have AWS auto-scaling policy configured for our Linux machine, but for some reason when I checked the scaling activity I realised that it triggers multiple 2-3 machines during very short span of minutes as you can see here: Activity…
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Sequential hostnames and auto-scaling?

Is there a logical way to have sequentially numbered hostnames with servers that are autoscaling but not sequentially killed? So if server13 is killed and server14/15 are alive, and the cluster upscales with 2 servers it will add a server with…
ujjain
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Running crontab on AWS auto scaling group

I have the following setup: 1 server with application X, that runs a crontab once an hour. The crontab connects to the database and runs some heavy calculations and exports data to a special data file and restarts the application. The export can run…
dobber
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Auto-heal an EC2 instance with an Auto Scaling Group?

I'm trying to setup an auto-healing EC2 instance using an Auto Scaling Group and a user-data startup script. If the current server has an issue where it is no longer reachable, the instance should terminate and a new one take its place. This is easy…
James Simpson
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Available Instance types for marketplace ami's

I based my autoscaling AMI's on the Turnkey Linux nginx AMI from the marketplace. I am now unable to select any of the newer generation instance types; for instance, my autoscaling uses m3.large type but I'd really like it to use the c3.xlarge type…
Christian
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Is memory usage the main cause of instance churn on Google App Engine?

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 instances get shutdown at the same time. This also…
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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 ID of Windows 2008 R2 x64, SQL Express and IIS. We…
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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 that endures 30 minutes and two more instances are…
Claudio Poli
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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 about persistent storage for the user's uploaded…
john h.
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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 any problem, but I add it the CloudFormation…
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