Questions tagged [infrastructure]

15 questions
53
votes
3 answers

How do you calculate the compound Service Level Agreement (SLA) for cloud services?

Cloud services hosted by Amazon Web Services, Azure, Google and most others publish the Service Level Agreement, or SLA, for the individual services they provide. Architects, Platform Engineers and Developers are then responsible for putting these…
Richard Slater
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Artifactory vs Git for Infrastructure Version Control / Configuration Management

I'm trying to understand the difference between managing configuration files for the purposes of simplifying automated deployment. We have 5 environments to build. So far 2 have been built with no versioning at all. Right now we're using Artifactory…
9
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2 answers

Application calling AWS internal load balancer in same subnet is timing out

Some background: I've created a moderately complex network using Amazon's vpc. It's a three-tiered network across two availability zones. Each layer has a subnet in zone-a and zone-b. The presentation layer is at the top, there’s an application…
7
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1 answer

What are the measures of size and complexity of IT infrastructure

How can I compare different infrastructure in regards to size and complexity. What can I measure and compare e.g. number of nodes, number of servers, architectures etc. How do those measures and variables differ in what they compare? Which of them…
7
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1 answer

What is a minimal viable number of hosts for an experimental Kubernetes cluster?

For example, to play with Docker Swarm in a way which makes sense you need 2 or better 3 hosts, right? What is that number for K8S?
Ta Mu
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4
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1 answer

Infrastructure Stability Report

We are using Azure IAAS to host our applications, and these are hosted on a number of virtual machines for different tiers Our client have recently asked us to provide monthly report on the Infrastructure Stability, so that they could know the…
Yogi
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3
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Is there a system which automates everything (OS release, and above) to host websites on?

This is not really a DevOps question but more of a System Automation question (which DevOps covers only a part of, by popular opinion, so I hope it's okay). I feel like some 5 USD IaaS VPS with Ansible could give me the peace of mind of technical…
user5176
3
votes
2 answers

Open source private cloud VM provisioning for container workload

There is a new generation of tooling developed that tries to integrate different IaaS providers (Azure/AWS/GCE/DigitalOcean) into one "infrastructure codebase". It's dubbed "Cloud Native" and it's supposed to result in "one tool to rule them all".…
3
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1 answer

availability calculation of a azure service fabric stateful application

I have looked at the question and answer in How do you calculate the compound Service Level Agreement (SLA) for cloud services? I have a service fabric application which has a stateful service which stores the data in the disks of the VMs…
Vicky
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2
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1 answer

Data processing infrastructure

We are building a system for data science in AWS and our flow is pretty simple. Get the data - From redis get the model - From FSx/EBS run. This process script should take something like 5-10 seconds depends on the size of the data and model. So…
Amorphis
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If we are using Kubernetes do we need to implement HA on both the infrastructure and application level?

Is this something that's going to be covered at the application level with pod autoscaling? Or should we implement both horizontal pod autoscaling and infrastructure high availability within our cloud provider? The goal is for us to see minimal…
1
vote
1 answer

Describe the machine and service infrastructure with a diagram

We have a provider that manages a Baremetal server where there are many VPSs inside and each VPS manages some services. We would like to have the infrastructure described in terms of machines (servers, disks, etc.), services and communications, so…
BOES
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Docker image delivery lead time SLA

What is the best practice either reference value in terms of an SLA spec to expect the infrastructure to: deliver a Docker image say for 100MB and 1GB size as reference? unpack the above? instantiate a container of the above? Sure you can say "how…
Ta Mu
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Webhook SaaS for ingesting long'ish lived sensitive info

Does any service exist that supplies a callback webhook for you to ingest and authorize access to sensitive info, like tokens not used for direct access but for long lived secondary vendor tokens? I know I can always write something to deploy as a…
rubixibuc
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What is the DevOps Best Practices for Hybrid environments?

I want to learn best practices, and I hope you could help me with your expertise. In a large organization that uses cloud services and taking advantage of Infrastructure as Code (IaC). My two questions are as follows: 1) What is the best way to…