Virtual Machine Requirements for the Azure Platform

This topic covers the virtual machine requirements, including memory and data storage, for installing the Delphix Engine on the Azure public cloud and Government Cloud.

Component	Requirements	Notes
Instance Types	General Purpose
	DS5_v2 - 16 CPUs, 56GB, 32 devices	Network bandwidth, and IOPS limits are specific to each instance type. See DSv2 specifications for more details.
	D16s_v3 - 16 vCPUs,64GB, 32 devices
	D32s_v3 - 32 vCPUs, 128GB, 32 devices
	Memory Optimized
	DS14v2 - 16 CPUs, 112GB, 32 devices	Network bandwidth, and IOPS limits are specific to each instance type. See DSv2 specifications for more details.
	DS15v2 - 20 CPU, 140GB, 40 devices
	GS3 - 8 CPUs, 112GB, 16 devices	Network bandwidth, and IOPS limits are specific to each instance type. See GS specifications for more details.
	GS4 - 16 CPUs, 244GB, 32 devices
	GS5 - 32 CPUs, 448GB, 64 devices
Network Configuration	Azure Virtual Network (VNet)	The Delphix Engine and all the source and target environments must be accessible within the same virtual network
	Network Security Group (NSG)	You must modify the security group to allow access to all of the networking ports used by the Delphix Engine and the various source and target platforms. See General Network and Connectivity Requirements for information about specific port configurations. See Network Performance Configuration Options for information about network performance tuning.
Storage Configuration	Azure Premium Storage	Premium storage utilizes solid-state drives (SSDs) Devices up to 4096GB are supported Maximum of 256TB is supported Cache setting TBD I/O requests of up to 256 kilobytes (KB) are counted as a single I/O operation (IOP) for provisioned IOPS volumes. IOPS vary based on storage size with a maximum of 7,500 IOPS.
General Storage Configuration		Allocate initial storage equal to the size of the physical source databases. For high redo rates and/or high DB change rates, allocate an additional 10-20% storage Add storage when storage capacity approaches 30% free Add new storage by attaching new data disks of the same size Maximize Delphix Engine RAM for a larger system cache to service reads Use at least 3 data disks to maximize performance. This enables the Delphix File System (DxFS) to make sure that its file systems are always consistent on disk without additional serialization. This also enables the Delphix Engine to achieve higher I/O rates by queueing more I/O operations to its storage See Optimal Storage Configuration Parameters for the Delphix Engine

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