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Questions tagged [cloud-computing]

Cloud-Computing: Marketing term for clustered resources

320 questions
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Error when configuring Hudson EC2 Plugin

I want to run Hudson on EC2 and use Hudson's EC2 plugin to create Hudson slaves to run my tests. I installed it, but when trying to configure it, I get a lot of errors: What's going on? How can I solve this?
Ram Rachum
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What is "Cloud Computing"?

Everywhere I turn, I keep seeing the term "cloud computing". I've done the usual drill of reading Wikipedia, searching around a bit, but it's hard to sort the wheat from the chaff. Can someone provide a buzzword-free definition of clouding…
Zimmy-DUB-Zongy-Zong-DUBBY
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(*nix) Cloud/cluster solutions for scalable web-services

I'm going to build a high-performance web service. It should use a database (or any other storage system), some processing language (either scripting or not), and a web-server daemon. The system should be distributed to a large amount of servers so…
kolypto
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Comparison of cloud hosting providers

Is there a place where we can compare* the many new arising cloud hosting providers? From reading into each of them, they seem very different and range from just hosting applications (google) to a semi-full enterprise web serving framework…
Abel
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Is Amazon EC2 reliable for benchmarking?

I've been rethinking the compiler shootout and I began to wonder: is Amazon EC suitable for benchmarking? The environment is totally virtual, so are there any guarantees that benchmarking results will be repeatable? Or should I assume that the…
jldugger
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How can I calculate how much a high volume site would save with cloud computing Vs. traditional hosting?

How can I calculate the required bandwith and cost of hosting a site that would have around 3 million unique visitors per year? I wanted to come up with an estimate of how much cost could be saved by using a cloud computing service like Amazon EC3…
MikeN
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What is Ubuntu enterprise cloud?

If I install Ubuntu 10.04 Server, will it provide me with virtual machines which I can use to install different OSes? I need Debian Lenny on a VM for example. What facilities does it provide? Is it a good idea to install it on one server (not a…
Ivan
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Choosing a monitoring system for a dynamically scaling environment: Nagios v. Zabbix

When operating in the cloud and scaling boxes automatically, there are certain monitoring issues that one experiences. Sometimes we might be monitoring 10 boxes and sometimes 100. The machines will scale up and down based on a demand. Right now,…
wickett
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Does Cloud Computing COST a premium? (or is it competitive with shared/managed/co-location)

Since cloud solutions (Google AppEngine, Amazon, etc.) do more for you, at the end of the day do they cost significantly more than doing it "yourself" with co-location hosting, etc. Not just starting out, but when the website is mature and getting…
Pete Alvin
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Is it possible to host email and DNS on AWS

We are working towards moving our app to AWS. I have heared that email and DNS cannot be hosted on AWS, is this correct? If this correct, then what are my options?
April
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Expecting High traffic on website..How to manage

I am expecting high traffic on a corporate website i am managing.At present the website is hosted on godaddy shared hosting. As it will be an IPO for my clients company so i don't have any idea what kind of traffic surge there would be. How should i…
sunny
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error: unknown OS type hvm - help deploying VM - OpenNebula

I have the following errors when I try to create a VM: Log: Tue Mar 12 16:57:23 2013 [DiM][I]: New VM state is ACTIVE. Tue Mar 12 16:57:23 2013 [LCM][I]: New VM state is PROLOG. Tue Mar 12 16:57:23 2013 [VM][I]: Virtual Machine has no context Tue…
Michaela
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MySql Data Loss - post mortem analysis - RackSpace Cloud Server

After a recent 'emergency migration' of a RS cloud server, the mysql databases on our server snapshot image proved to be days out of date from the backup date. And yet files that were uploaded through the impacted webapp had been written to the…
marfarma
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Migration between OpenStack and RackSpace cloud

So I am deploying a OpenStack private cloud in my business. As I understand from research the OpenStack project was created by RackSpace and that their own cloud platform uses OpenStack. So my question is would it be possible to migrate or move…
David Maitland
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3 answers

Using Load Balancer in Rackspace cloud for website HA

I have tested tomcat specific clustering with apache mod_jk and mod_proxy on ubuntu local VMs for our website high availability and load balancing. The real servers are hosted by Rackspace cloud server provider. I tested tomcat clustering with 1…
user53864
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