Environmental Requirements

Before tuning, ensure that the environment meets the hardware and software requirements. The hardware configuration includes CPUs, memory, and NICs. The software configuration includes the OS and applications.

Environment Configuration

Table 1 lists the recommended hardware.

**Table 1** Hardware requirements
Item	Requirement
Server	Kunpeng server
CPU	Kunpeng 920
NIC	TM210 with electrical ports
Memory	16 DIMMs at 2,666 or 2,933 MT/s

Table 2 lists the software versions recommended for openEuler 20.03.

**Table 2** Software versions recommended for openEuler 20.03
Name	Remarks
OS	Host: openEuler 20.03 for Arm (default kernel: 4.19) Guest: openEuler 20.03 for Arm (default kernel: 4.19)
Compiler	GCC 7.3.0 glibc 2.27
libvirt	6.2.0
QEMU-KVM	4.1.0

Table 3 lists the software versions recommended for CentOS 7.6.

**Table 3** Software versions recommended for CentOS 7.6
Name	Remarks
OS	Host: CentOS 7.6 for Arm (default kernel: 4.14) Guest: CentOS 7.6 for Arm (default kernel: 4.14)
Compiler	GCC 7.3.0 glibc 2.27
libvirt	5.6.0
QEMU-KVM	4.0.1

Parent topic: Basic Tuning Guide (CentOS 7.6 & openEuler 20.03)