Environment

Table 1 lists the required software versions.

**Table 1** Required software versions
Software	Version
OS	CentOS 7.6/openEuler 20.03/openEuler 22.03
JDK	OpenJDK version 1.8.0_262
HDP	3.1.0
Kafka	2.11-1.1.0
Flink	1.7.2
Redis	3.0.7
Yahoo-streaming-benchmark test tool	0.2.0 (modified based on the open-source version)

Parent topic: Introduction