Environment Requirements

Before installing OmniStream, prepare the hardware and software environments to facilitate subsequent installation operations.

Hardware Requirements

Table 1 lists the hardware requirements.

**Table 1** Hardware requirements
Item	Node
Processor	New Kunpeng 920 processor model
Memory size	384 GB (12 x 32 GB)
Memory frequency	2666MHz
Network	Service network: 10GE Management network: 1GE
Drive	System drive: 1 x RAID 0 (1 x 1.2 TB SAS HDD) Data drive: 12 x RAID 0 (12 x 8 TB SATA HDD)
RAID controller card	LSI SAS3508

OS and Software Requirements

Table 2 lists the OS and software requirements.

**Table 2** OS and software requirements
Item	Version	Description
OS	openEuler 22.03 LTS SP4	None
JDK	BiSheng JDK 1.8 (BiSheng JDK 1.8.0_342 recommended)	Deploy the JDK in all containers.
Flink	1.16.3 1.17.1 1.20.0	See Flink Deployment Guide (CentOS & openEuler). Deploy Flink in all containers.
Docker	19.03.15	None
Nexmark	v0.2.0	Perform compilation by following the official instructions. Deploy Nexmark in all containers.
Python	3.9.9	Deploy Python on the container or physical machine from which the job is submitted.
yaml-cpp	0.6.3	Deploy it on the container or physical machine from which the job is submitted.
GCC	10.3.1	None
Maven	3.8.7	Use it to generate the JAR package of UDF test cases.

Obtaining the Software Packages

Table 3 describes the OmniStream software packages and how to obtain them.

**Table 3** OmniStream software packages
Software Name	Package Name	Release Type	Description	How to Obtain
OmniStream package	BoostKit-omniruntime-omnistream-1.1.0.zip	Open source	OmniStream software installation package.	Link
UDF translator	UNT-1.0-35.noarch.rpm	Open source	UDF translator RPM package. After the installation is complete, the UDF translator is added to the /opt directory.	Link
AI4C	AI4C-1.0.4-8.aarch64.rpm	Open source	A framework that allows the compiler to integrate machine learning–driven optimization technologies. Install the RPM package.	Link
KACC_JSON	BoostKit-kaccjson_1.1.0.zip	Closed source	Self-developed C++ implementation package used to replace GSON in UDF translation. This ZIP package contains the adaptation layer and KACC_JSON implementation, and also contains header files and a static library. Obtain the Dependency_library_OmniStream.zip file and decompress it.	Link
KSL	BoostKit-ksl_2.5.1.zip	Closed source	Regular expression acceleration library, which contains the ReplaceAll function for optimizing the basic string library and contains header files and a static library.	Contact Huawei technical support.
Dependency_library	Dependency_library.zip Dependency_library.z01	Open source	Library file on which OmniStream depends. The file is compressed into several volumes. Download all the volumes.	Link 1 Link 2

Verifying the Software Package Integrity

After downloading a software package from the Kunpeng community, verify the software package to ensure that it is consistent with the original one on the website.

Verify a software package as follows:

Obtain the digital certificate and software.
Obtain the verification tool and guide.
Verify the package integrity by following the procedure described in the OpenPGP Signature Verification Guide obtained from the URL.

Parent topic: Installation Overview