for questions about cloud computing: running servers or services in a virtualized environment that is usually run off-site by a third party.
Questions tagged [cloud]
51 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
- 11,747
- 7
- 43
- 82
26
votes
5 answers
How can I experiment with Cloud (Azure, AWS, Google, etc) without going broke?
Cloud technologies are very hot right now, but they can be expensive. What are the best strategies for learning/trying cloud services without racking up a huge bill?
Dave Swersky
- 4,068
- 2
- 21
- 33
16
votes
3 answers
How to avoid "retry storms" in distributed services?
A "retry storm" is caused when clients are configured to retry a set number of times before giving up, a retry policy is necessary because of packets loss will occur in normal operation of a service.
Take this example:
If for example the services…
Richard Slater
- 11,747
- 7
- 43
- 82
12
votes
7 answers
Is there one website that contains all relevant DevOps news and gets updated on a daily basis?
I am looking for some DevOps news channel like https://nos.nl/teletekst#101 that shows the headlines of the Dutch news. I am aware of https://tweakers.net/ and github.com, but this does not contain all interesting news on one page.
Basically, I…
030
- 13,383
- 17
- 76
- 178
8
votes
6 answers
Cheapest and easiest way to run a periodic Docker process
I have a dockerized Python process that a client would like to run once or twice a month. It calls a number of Google APIs and stores the results in a Google Sheet. It does not accept network requests. I want to provide one "magic button" that will…
asciimo
- 81
- 4
8
votes
3 answers
Running unmanaged Hardware Security Modules (HSMs) in the Cloud
I have to admit to never having asked, or been asked, the question if it is possible to have a Hardware Security Module in a public cloud, by which I mean Google, Amazon or Azure. Has anyone found any techniques for enabling organizations to use…
Richard Slater
- 11,747
- 7
- 43
- 82
6
votes
2 answers
Securing communication between cloud VMs without private networks. Any strategy besides building own VPN? Spiped?
I am working on an application that requires a number of different services (web application + database + worker queues, XMPP server for messaging, redis, central authentication via LDAP, etc). For my first attempt at designing the thing, I am…
lullis
- 161
- 1
6
votes
2 answers
What is a "mesh"?
In this context and cloud computing, I read about "service mesh" and/or "serverless mesh" but I don't fully understand what it is. Can you explain?
Niklas Rosencrantz
- 497
- 3
- 11
5
votes
1 answer
Large number of host emulation
What would be the best way to emulate (or really to instantiate) a large number of hosts / virtual machines / docker containers in the cloud?
Assume I want to run a scenario where 10,000 hosts are running the same application. Is there a cloud…
mkholod
- 51
- 3
5
votes
1 answer
Geographically, where are the travis-ci jobs run?
Where are the travis-ci servers located? Does travis-ci leverage AWS EC2?
JSmooth
- 53
- 2
5
votes
2 answers
How to shut down a stateless app gracefully?
Quote from CF training on twelve-factor app’s processes are disposable:
Apps should also shut down gracefully (but can also die unexpectedly).
Cloud Foundry stops routing traffic nearly instantaneously to failed
or shutdown instances.
Cloud…
Sybil
- 472
- 4
- 11
5
votes
1 answer
Defined start sequence of containers
AFAIK you cannot influence the order how Docker Swarm starts containers for services.
Is that possible with:
Mesos?
K8s (Kubernetes)?
Rancher?
Other?
This question is not about specific orchestration of dependent services but the problem that if…
Ta Mu
- 6,792
- 5
- 43
- 83
4
votes
1 answer
CI/CD with a GPU cluster
With typical continuous integration environments, you configure an environment capable to execute compilation and test batches (agent, slave..) coordinated by a scheduler (master, server..)
But what if your "client" environment is a Graphics…
Ta Mu
- 6,792
- 5
- 43
- 83
4
votes
1 answer
How can I calculate costs of deploying 1000 instances of Drupal?
What are the things that should I investigate for making an estimate of the cost of deploying 1000 instances of Drupal, for example?
I was thinking in:
Database space
Database usage (in ops/second? how can I test it?)
Application uploads…
JorgeeFG
- 253
- 1
- 6
3
votes
2 answers
How to install a private managed Kubernetes on-premise?
Where do you start in case you need something like a managed Kubernetes solution to setup a multi-tenant orchestration solution on-premises?
Any entity with its own container infrastructure has an access to the centrally managed orchestration…
Ta Mu
- 6,792
- 5
- 43
- 83