Environment Requirements

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

Hardware Requirements

Table 1 shows the hardware components of the SPECjvm test environment.

**Table 1** Hardware requirements
Item	Required Specification
Server	Kunpeng server
CPU	2 x Kunpeng 920 processor
Memory	16 × 32 GB 2,933 MHz DDR4 NOTE: Populate one DIMM Per Channel (1DPC) to maximize the memory performance. That is, populate the DIMM 0 slot of each channel. Configure and expand the memory by referring to Kunpeng Computing Memory Configuration.
System drive	No special requirements

Software Requirements (openEuler)

If openEuler is used, the software requirements listed in Table 2 must be met.

**Table 2** OS and software requirements
Item	Version	How to Obtain
OS	openEuler 22.03 LTS SP2	Link
OS image	openEuler-22.03-LTS-SP2-aarch64-dvd.iso	Link
Kernel	5.10.0-153.12.0.92.oe2203sp2.aarch64	-
Docker	Default (18.09.0)	-
Container image	openEuler 22.03 LTS SP2	-
java-1.8.0-openjdk	BiSheng JDK 1.8.0_XXX-XXX	Contact Huawei technical support.
SPECjvm	2008	-

Software Requirements (CentOS)

If CentOS is used, the software requirements listed in Table 3 must be met.

**Table 3** OS and software requirements
Item	Version	How to Obtain
OS	CentOS 7.6	-
OS image	CentOS-7-aarch64-Everything-1810.iso	Link
Kernel	4.14.0-115.el7a.0.1.aarch64	-
Docker	Default (1.13.1)	-
Container image	CentOS 7.6	-
java-1.8.0-openjdk	BiSheng JDK 1.8.0_XXX-XXX	Contact Huawei technical support.
SPECjvm	2008	-

Parent topic: Overview