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Groups > comp.lang.java.programmer > #28699

Re: Cloud Questions

Date 2014-06-09 18:39 -0400
From Arne Vajhøj <arne@vajhoej.dk>
Newsgroups comp.lang.java.programmer
Subject Re: Cloud Questions
References <76ccp9t1nvcpka81d69uldfatphb9ofp0t@4ax.com>
Message-ID <53963794$0$298$14726298@news.sunsite.dk> (permalink)
Organization SunSITE.dk - Supporting Open source

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On 6/9/2014 6:26 PM, Roedy Green wrote:
> Why website is currently static.  I make all changes on my desktop and
> upload them hourly.  I wondering what would happen if I hosted instead
> on a cloud.
>
> I can see it would work as-is easily on a cloud. Two clouds could
> serve the same content to the closest customers without any change at
> all. My questions are:
>
> 1. how to do you update the files of a cloud? Can I get rid of that
> accursed FTP?
> 2. do you have to update each cloud separately, or is that considered
> an automatic cloud function?
>
> Now lets say I migrate the random functions (e.g random PSAs, random
> ads, random quotations) to the cloud.  Again no problem.
>
> Now lets say I had some SQL databases that get queried to satisfy
> requests.  I guess then I have to upload the entire database from time
> to time and propagate it?  or do I? Is it considered an ordinary
> function to send some sort of delta?
>
> Now lets say I want to keep track of hit counts.  I want to
> consolidate the page hits from each cloud.  I could download each
> cloud's database consolidated and upload to each cloud.  I could have
> only one cloud maintain the database and other clouds access it
> remotely with jdbc or something more secure. Is there some special
> distributed cloud database that lazily keeps all copies in sync?

IaaS : depends on your application
PaaS : depends on your application and the clouds capabilities
SaaS : depends on the clouds capabilities

> I have a lot of static content on my website. Turning every page to a
> JSP servlet would make for one huge server app. What sort of
> techniques are used to separate static and computed parts to glue
> pages together?

A) Just let the servlet container serve both dynamic and static
    content (possibly with different paths)
B) Use a servlet container for the dynamic content and a plain web
    server for static content

> I take it the locations of clouds are not your concern. They could
> wander from server farm to server farm based to where the load is
> coming from and there there is spare compute power. Right?

More or less. You will typical be able to specify region.

> Anything else I should consider in such a move?

There are probably no point in moving your pages to a cloud
instead of the current web hosting solution.

Arne

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Thread

Cloud Questions Roedy Green <see_website@mindprod.com.invalid> - 2014-06-09 15:26 -0700
  Re: Cloud Questions Arne Vajhøj <arne@vajhoej.dk> - 2014-06-09 18:39 -0400
    Re: Cloud Questions Arne Vajhøj <arne@vajhoej.dk> - 2014-06-09 18:58 -0400
      Re: Cloud Questions Roedy Green <see_website@mindprod.com.invalid> - 2014-06-09 23:28 -0700
      Re: Cloud Questions Roedy Green <see_website@mindprod.com.invalid> - 2014-06-10 01:37 -0700
    Re: Cloud Questions Martin Gregorie <martin@address-in-sig.invalid> - 2014-06-10 22:26 +0000
      Re: Cloud Questions Arne Vajhøj <arne@vajhoej.dk> - 2014-06-10 19:16 -0400
  Re: Cloud Questions Roedy Green <see_website@mindprod.com.invalid> - 2014-06-09 23:06 -0700
    Re: Cloud Questions Arne Vajhøj <arne@vajhoej.dk> - 2014-06-10 21:40 -0400

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