Monday, 20 March 2017

Five stars to SAP HANA Express Edition on Google Cloud Platform

Ever since I installed my SAP HANA, express edition (HXE), instances on Google Cloud Platform I have been using them as my main platforms for development and different experiments. My experience has been so good that I feel it has to be shared so others do not miss on it.

What I like about Google Cloud Platform (GCP) is that it makes it extremely easy to get my SAP HANA instances up and running when and how I want them.

The web SSH client and GCloud console stand out as a star feature. Two clicks and you are logged in to the operating system, ready to cast some commands using the web interface.

SAP HANA Tutorials, SAP HANA Materials, SAP HANA Certifications
After building some applications and adding data into them, GCP warned me that my instances were overutilized and suggested a more cost-effective and better configuration. The statistics in the monitoring were in agreement, showing that the instances were hungry for more resources. Feeding more RAM and CPU to them was easy as sliding a bar or entering the exact amount of RAM I want and turning the machines back on.

SAP HANA Tutorials, SAP HANA Materials, SAP HANA Certifications

The only requirement to adding more resources is that the virtual machine is turned off.

This requirement also applies to taking a snapshot of your instance. Other than the traditional uses of HXE, I sometimes like to test different configurations or simply try what I would not dare do in a productive or even shared environment. A snapshot allows me to go back to the point where the virtual machine was up and running before, for example, locking myself out. The best part is that taking a snapshot and recovering it is almost as fast a CTRL+Z.

SAP HANA Tutorials, SAP HANA Materials, SAP HANA Certifications

Now, what you (and your wallet) have been waiting for: The Price. The basic instance can run on as low as 0.20 USD/hour. Because I keep three flavors of HANA Express Edition (server only, Server only + XS Classic Tools and Full XS Advanced installation), I tend to turn them on and off as I need one or all of them. I was expecting a big reduction of the free initial credit that I was lucky to get from Google Cloud Platform when I signed up, but no: Unlike many other providers, Google Cloud Platform bills you by the minute after a minimum of 10 minutes. In other words, not only is it unbelievably cheap but it also takes off the pressure of taking into account what time it is before you turn the instance off. You can take a look at the billing principles and estimate your monthly costs in their comprehensive pricing site.

SAP HANA Tutorials, SAP HANA Materials, SAP HANA Certifications

Google Cloud Platform also sends you weekly emails as well as the bill. Consequently, there are no surprises at the end of the month if, for example, you forgot to turn off one of your instances.

Do I need to remind you that SAP HANA, express edition, comes with a perpetual free license for productive use up to 32 GB RAM? In case this needs translation: You can have the transalytics, predictive, geospatial and real-time power of a world-class in-memory database licensed for free and a very low infrastructure cost.

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