September 18 - Day 2: Late To The Cloud? No Problem - InformationWeek

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September 18 - Day 2: Late To The Cloud? No Problem
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great information thank you

Apprentice

Great class discussion, thanks for hosting it. I learnt a lot.

Ninja

We will surly try to make it!

Ninja

Hopefully I'll see all of you tomorrow at 4pm eastern / 1pm pacific for the next session!

Ninja

I sometimes get the view that sysadmin (in-house) will take on a hybrid role, i.e. IT plus business relations professional.

Ninja

One of the interesting questions about the rise of the cloud is "what happens to the systems administrators"?  Because fundamentally what you're able to do with the cloud is to automate a whole lot of what sysadmins traditionally do, and it's better/cheaper/faster/more stable/more repeatable/less fragile.

 

I think the jury's still out on exactly what happens with sysadmins, and most of the companies that help enable this cloud automation/orchestration argue that it won't cause anyone to lose a job ("sysadmins will just do more strategic tasks than rote ones"), but that's what they should say politically.  I'm personally of the mind that we will need fewer sysadmins in the future, but I'm not exactly sure how many fewer.  We may find that the sysadmin of today is the DevOps developer/engineer of tomorrow, and it just requires a slightly different skillset, but not necessarily a different skill level--and probably does come with better pay.

Ninja

Great point and if in-house IT were to lose their jobs, then the cloud would offer a higher pay check due to specialization and scale.

Ninja

@Brian.Dean--I think that job security may be at the heart of things, but I think that if you're in IT, if you're late to a movement, you have a somewhat knee-jerk reaction to believing that that movement must not be a good movement/must be over-hyped.  (Because otherwise, you would have to admit that you were late to the movement, which must means you're not good at technology, because technology geniuses should be early adopters [or so goes the general trope]).

Ninja

Here are some articles/blogs that I think are good supplemental reading:

Servers are Software: The Advance of Cloud Architecture (http://readwrite.com/2011/03/28/the-advantage-of-cloud-infrastructure-servers-are-software)

High Scalability (http://www.highscalability.com/)

BazaarVoice Architecture (http://highscalability.com/blog/2013/12/2/evolution-of-bazaarvoices-architecture-to-500m-unique-users.html)

Netflix's Blog Posts on Cloud Architecture (http://techblog.netflix.com/search/label/cloud%20architecture)

Ninja

I feel some of the cases against the cloud are due to IT trying to maintain job security.

Ninja

A lot of the grumbling that I see about the cloud from enterprise developers and IT departments stem from not understanding how you get the benefits of the cloud, and that's mostly about changing application architecture paradigms.  But even without changing all of those paradigms, the cloud still has a lot to offer around IT automation--but the problem is that you will likely have less performant applications (because VMs are inferior to bare metal) and you will likely have less fault-tolerant / less reliable applications (because cloud VMs are not built to survive failure on an individual-VM-level as well as a standalone machine)

Ninja

In other words, efficiency is gained but not the maximum efficiency possible.

Ninja

@Brian.Dean--You can still get a lot of benefits out of a traditionally-architected application running on IaaS, even if it's not a cloud-optimized deployment.  In fact, that's really what a lot of applications running on IaaS are (look at how many people are still using relational databases, which really don't fit all that well into true cloud architectures).  But the benefits you'll get are significantly less than what's possible to get--you'll get the automated launch, and you can get the security benefit, but you don't get the scalability/speed or the fault-tolerance.

Ninja

@MukVic--It still is true that if you all you care about is single-CPU throughput (and this probably has relevance to an analytics application written for a specific CPU instruction set), you will do better on bare metal than on VMs, but we are increasingly seeing bare-metal options for the cloud (IBM SoftLayer, Rackspace OnMetal, and some of the work being done with Docker and CoreOS will likely enable bare-metal deployments of Docker containers)

Ninja

@MukVic--I would say that most of the benefits are trivially proven: because you can get infinite resources (on the public cloud at least), if you can design your application to scale horizontally, it will be more scalable and more fault-tolerant.  If you have massively variable workloads, the cloud will be cheaper (at least at some variance, like from 10 servers to 10,000 servers).  On the security side, the (public) cloud should be practically more secure because public cloud providers are subject to far more security audits than any on-premises data center (or even the standard colo data center).  Also, some (public) cloud providers have much granular security permissions, which should enable a more secure deployment.

Ninja

Thank you. A large number of analytics applications have been built in-house around the power architecture, that's what I had in mind.

Ninja

Do applications need to be always be optimized for the cloud or a simple IaaS deployment can get by without modifications?

Ninja

Thanks Joe and Curt for this cloud informative session. Thx

 

Apprentice

@Brian.Dean--What in the application is specific to the Power Architecture?  I would think that you would be fine with most of the common offerings, but if you have some specific CPU-level calls, you would just need to make sure that you could get access to those instructions on the specific VMs available.  Most public cloud providers are now announcing which chips are used for specific instance types (at least for new releases of instance types), and will say which CPU-specific instructions are supported.

Ninja

Great audio class session!

Ninja

Good Presentation Joe!

Apprentice

It's just about time for Joe to join us: If you haven't already done so, now would be a great time to introduce yourself and start getting your questions in place. We're looking forward to a great discussion for the next half hour!

Strategist

Hi Joe,

As mentioned in slide 4: Cloud will be faster, cheaper, fault tolerant and more secure, do you have any study and benchmark ?

Thx

 

 

Apprentice

If an in-house application has been built around the Power Architecture, during a shift to the cloud, it is easy to find cloud providers with similar architecture or would x86 need to be accepted?

Ninja

Remember, everyone: You can ask your questions at any time and Joe will answer them when he ends the lecture and joins us here in the class discussion.

Strategist

Hi all -Audio is live! If you don't see the audio bar at the top of the screen, please refresh your browser. It may take a couple tries. When you see the audio bar, if it doesn't start automatically, hit the play button. If you experience audio interruptions and are using IE, try using FF or Chrome as your browser. Many people experience issues with IE. Also, make sure your flash player is updated with the current version. Some companies block live audio streams, so if that is the case for your company, the class will be archived on this page immediately following the class and you can listen then. People don't experience any issues with the audio for the archived version.

Apprentice

Good morning or afternoon everyone

Apprentice

Good Afternoon Everyone!

Ninja

So, who's here already? We're just about a minute from beginning the class -- this should be a fascinating lecture! If you haven't don't so already, be sure to download today's slide deck from the link above.

Strategist

We'd love to have your voice in the discussion here. To take part, just type your comment into the "Your Post" box and then click on the "Post" button below the box. Feel free to introduce yourself before the show starts -- I think you'll find that we're a very friendly class, here! 

Strategist

Hey, everyone, we're glad you could join us! When the class is scheduled to start at 2:00 PM EDT, an audio player should appear above the "Your Post" window. If it doesn't appear, you might need to refresh your browser until it does. If it appears but doesn't start playing, then you may need to click on the "play" button on the far left of the player. 

Strategist


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