Disk-intensive ECSs

Overview

D2 ECSs are developed based on KVM virtualization. They use local storage and provide high storage performance and intranet bandwidth for distributed Hadoop computing, large data warehouse, distributed file system, and log/data processing.

Specifications

Table 1 D2 ECS specifications

Flavor

vCPUs

Memory (GiB)

Maximum/Assured Bandwidth (Gbit/s)

Maximum PPS (10,000)

NIC Multi-Queue

Virtualization Type

Local Disks (GiB)

Hardware

d2.xlarge.8

4

32

4/1.4

40

2

KVM

2×1675

CPU: Intel® Xeon® Gold 6151

d2.2xlarge.8

8

64

6/2.8

80

4

KVM

4×1675

d2.4xlarge.8

16

128

10/5.6

160

6

KVM

8×1675

d2.6xlarge.8

24

192

15/8.5

250

8

KVM

12×1675

d2.8xlarge.8

32

256

17/11

320

8

KVM

16×1675

d2.15xlarge.9

60

540

17/17

500

16

KVM

24×1675

Scenarios

Features of D2 ECSs

Table 2 Specifications of a single SAS HDD disk attached to a D2 ECS

Metric

Performance

Disk capacity

1800 GiB

Maximum throughput

230 MB/s

Access latency

Millisecond-level

Notes on Using D2 ECSs