Selecting a Microsoft Azure Virtual Machine Type and Size

Microsoft Azure offers many types of VM images in various sizes. Choosing the right VM image for your workload is an important factor for a successful Tableau Server deployment. You can choose from a wide range of Microsoft Azure VM images. For a complete list of all available VM image types and sizes, see the Sizes for Windows virtual machines in Azure page.

It is important to select an image that can run Tableau Server. The VM image must meet the Tableau Server hardware guidelines (a minimum of 8 cores and 32 GB of RAM). We recommend that you choose an instance that supports Azure premium storage.

At minimum, a 64-bit Tableau Server requires a 2-core CPU (the equivalent of 2 Azure vCPUs) and 8 GB RAM. However, a total of 8 CPU cores (8 Azure vCPUs) and 64GB RAM are strongly recommended for a single production Microsoft Azure VM. If you're using a Microsoft Azure VM that uses Hyper-Threading Technology (HTT), you'll need twice the number of vCPUs.

Typical VM types and sizes for development, test, and production environments

  • D Series – D13, D14, D16

  • DS Series – DS13, DS14

Note: We recommend that you use the DS series VMs with Premium Storage, which is best for database and other high performance applications. Typically, the D16s_v3 or DS13_V2 instances are a good choice. For testing and proof-of-concept purposes, you may find a virtual machine with only four cores acceptable (such as the DS12_V2).

Use two or three disks in RAID 0 configuration in order to get enough input/output operations per second (IOPS) on a single volume to provide high disk throughput. Two disks striped as a single volume provides good enough performance for an additional node not hosting repo. If you are running Tableau Server on a single computer, use three drives striped as a single volume (RAID 0) to provide enhanced disk performance, since more disk operations will happen on that computer.

Component/Resource Microsoft Azure

CPU

8 cores

Operating System

Windows:

  • Windows Server 2012r2, 64-bit

  • Windows Server 2016, 64-bit

Memory

64+ GB RAM (4GB RAM per vCPU)

Storage

Two volumes:

30-50 GiB volume for the operating system

100 GiB or larger volume for Tableau Server

Storage type

Premium Storage P20 (512GB)++

For more information, see High-performance Premium Storage and managed disks for VMs at the Microsoft Azure website.

Disk latency

Less than or equal to 20ms as measured by the Avg. Transfer disk/sec Performance Counter in Windows.

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