Learn how to optimize G1 garbage collection performance for production Java workloads in this 39-minute technical talk. Explore G1 ergonomics and gain insights into effective tuning strategies. Analyze GC logs and JFR recordings to identify and resolve performance issues, including long requests and mixed collections. Dive into topics such as mix GC count targets, concurrent marking, and adaptive concurrent cycles. Gain practical knowledge to improve application performance using G1 GC, with a focus on data analysis and problem-solving techniques.
G1GC Concepts and Performance Tuning for Java Applications
Overview
Syllabus
Intro
Agenda
Performance Problems
Too long requests
Post target
Joints
Logging
Data Analysis
Mixed Collections
Mix GC Count Target
Mix GC Threshold
To Space Exhausted
Mixed Collection
Junk Collection
Concurrent Marking
Adaptive Concurrent Cycle
Full Collection Analysis
Summary
Recap
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