Sizing an Azure VM

tommym121 used Ask the Experts™
I have never sized a Azure VM.   I have an application that has the following minimum requirement:

2.0 GHz processor or higher
2 GB installed RAM
180 MB available disk space
Ethernet Card (100 Mb)
Super VGA (800x600) or higher resolution video
windows server 2012 std

Would someone give me some tips how to choose the right Azure VM for the above requirement? Thanks.
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Distinguished Expert 2018

This is least requirement as compared to todays high performance machines

You can simply select any VM with 1 core / 3.5 GB with D1 series, while creating azure VM you will get the config details as well

If you have recommended sizing, use that one instead of minimum...and select your VM size accordingly
Philip ElderTechnical Architect - HA/Compute/Storage

What IOPS and Throughput requirements are there for the application's disk subsystem? That will play on the size and type of VM.

Does it use a SQL setup either via SQL Express on the VM or on another system?



I am not sure how I can find out the IOPS for the application.  The software vendor does not have that info.  I do not need to communicate with the SQL server. However, I will be using TCP/IP to communicate between this VM and another run to continuously transferring data (1K) every few seconds
Technical Architect - HA/Compute/Storage
PerfMon on the server hosting the app and database would be a good way to create a baseline for performance.

CPU, IOPS, Throughput, and network I/O would be the measurement sets to work with.


Thanks for the info. That give me a way to measure

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