Dallas Gimpel

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since Apr 05, 2006
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Recent posts by Dallas Gimpel

Thanks! As expected, I did find answers to most of the original questions. It's not clear to me yet how I can use the calculator to produce a reasonably accurate estimate. In fact, pricing in general is a bit unclear but I did find this white paper Amazon has available:
http://media.amazonwebservices.com/AWS_Pricing_Overview.pdf

In my (admittedly simple) mind, a 15-page white paper suggests that their pricing model is fairly complex but maybe I'll do some "light reading" over the weekend. In any event, thanks again for your help.

respectfully,
dgg
8 years ago
Hi Andreas & Michael -
I just recently started considering AWS as an alternative and I have a few of questions. I apologize in advance if they seem elementary:
  • If I set up an Ubuntu VM, do I get a root account on it? Am I able to install stuff just like a physical machine sitting in my office?
  • If I don't want a public-facing server, does AWS have a VPN implementation (eg, between my office network and VM)?
  • Once I have a VM set up the way I want it, is there a way to "clone" that configuration?


  • Also, I'm not sure what to expect in terms of pricing. My impression is that they're fairly reasonable but can you give me a ballpark range as to what a vanilla Linux VM might run? If that's too vague, I understand.

    Again, I apologize if these are elementary questions but I just started looking at AWS a couple of days ago. I found the "Getting Started" guide yesterday - I'm sure some of these are answered there, but I noticed the book promotion today and thought it must be fate.

    respectfully,
    dgg
    8 years ago
    Thanks for taking the time to visit us, Sam. I don't claim to be an expert and I certainly haven't written a book but my understanding of the term "microservice" is that it refers to an architectural implementation methodology whereas a design pattern refers to a particular approach to a solution for a set of requirements. One might be presented with a programming challenge/problem and decide to implement, for example, a programming solution using the visitor pattern for it whereas one might potentially implement a set of microservices as a part of the underlying design pattern. Is that accurate or did I just muddy the waters? Or both?

    respectfully,
    dgg
    8 years ago
    Happened to come across this today . . . I had also posted my question to the Hibernate forum where it was eventually answered (thanks again, Max) so I thought I'd post a link to the resolution in case anyone else has a similar problem.
    dgg
    After years of JDBC, I've finally been given a chance to take the Hibernate plunge. We have a legacy database that resides on an AS/400 for which I'm generating entity and dao code using the Hibernate Tools plug-in for Eclipse. The following is a snippet of a Subscriber.reveng.xml file I've built:


    NOTE: In the xml above, <ttable> is intentionally spelled with two Ts to prevent it from being interpreted as html. In the actual reveng.xml file, it's spelled correctly.

    Among others, I used the reverse engineering feature of Hibernate Tools as part of my pro-Hibernate argument. But to my disappointment, the customizations I've added to my Subscriber.reveng.xml file seem to have no effect whatsoever on the source code produced via Hibernate Tools & Eclipse. The class specified in ttable is ignored so that the entity classes produced are Customerdb, CustomerdbHome, and CustomerdbId (with every single field in the table defined as part of a composite key). The customizations I've added for the columns -> properties and the primary key definition are also completely ignored. I realize that I can refactor the names, etc., but according to Java Persistence with Hibernate this should work.

    What am I missing???

    thanks in advance,
    dgg