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Introduction

Use the Kunpeng DevKit Java Profiler to perform real-time profiling and sampling profiling on a running Java program, locate program problems, and tune the program based on the analysis results to achieve optimal running of the Java program.

Networking Environment

**Table 1** Networking environment
Item	Description
CPU	Kunpeng 920
OS	CentOS 7.6
Tool	Kunpeng DevKit
Practice demo	Link

Tuning Strategy

Use the Java Profiler to obtain and parse online logs of the Java process.
Use the Java Profiler to import and parse offline GC logs.
Perform tuning based on the tuning suggestions obtained after the parsing.
Observe the logs of the optimized Java program and check whether the problems are resolved.

Parent topic: Practice 2: Tuning GC Logs