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We have more traffic in the daytime and less traffic at night for our website. I want to enable a minimum of 2 servers to run in the day and only one at night so that we can cut costs by minimizing server run time.
There is the Scheduled actions feature in the Autoscaling group. This feature allows you to set a min, max, and desired capacity based on a schedule:
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Use Case: I will have a separate ec2 instance for each client - all of the instances will host identical web apps and db (at the moment, I'm keeping the db in the ec2 instance and not breaking it out).
If I am trying to provide security for each client, would you recommend creating a separate VPC for each ec2 instance, even if they are in the same region? Or would that be overkill?
Thanks! So far, I have not been able to find this on multiple google searches.
See Isolating Resources in a Multi-Tenant Environment from AWS.
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We run a handful of Amazon RDS and are usually able to view basic monitoring metrics (such as free space, freeable memory, CPU utilisation etc.) in the appropriate tab via the AWS Console.
At present, none of our RDS instance monitoring tabs shows any data. I've tried extending the window of time reported, but to no avail.
Has anyone else experienced this issue and, if so, what was the cause/how did you overcome it? Screenshot here:
Missing Cloudwatch Data
EDIT: It's been this way for >36 hours and our account doesn't include technical support.
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I was going through this tutorial http://dockerlabs.collabnix.com/kubernetes/beginners/Install-and-configure-a-multi-master-Kubernetes-cluster-with-kubeadm.html
but facing issue while running HAPROXY even few things are not clear.
I can install 1 Master and n number of nodes but facing challenge for 3 master 3 nodes.
Can some one help me ?
For High Availability K8s Control Plane Implementation, you can refer to this documentation: https://kubernetes.io/docs/tasks/administer-cluster/highly-available-master/
If you are in the cloud, There are many libraries that can help you implement it using only a setting toggle.
Multi-Cloud : Kops
AWS Only: AWS EKS (Manage Services, highly available by default)
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is there any benchmark of how long it takes to transfer a 1GB, 5GB, 10GB file from S3 bucket to EC2 volume in AWS (Same Geo, Same A-z)
We are experimenting with backup/restore and these benchmarks are needed for planning
Found this 2015 benchmark and this network performance experiment.
I think it can be summed up to this:
BTW, I also don't think this question belongs to SO.
** Average upload time of 10MB in seconds from EC2 server locations to S3 locations.
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I need to add some capacity to a Spark cluster and seem to have run into the upper limit w/re which instance types I can use without starting a VPC.
The code I've inherited to start said cluster is a bit of Groovy spaghetti and doesn't seem to be lending itself to incorporating a VPC too readily. Hence the need to work w/out.
Are you sure it's not just the instance limit on the account that you can easily request Amazon to raise?
According to the documentation, these are the only instance types restricted to a VPC at this time:
C4
M4
T2
X1
All other instance types should still be available in EC2 Classic.