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Agent Metric GC Heap Used % calculation

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Article ID: 134690

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Updated On:

Products

CA Application Performance Management Agent (APM / Wily / Introscope) CA Application Performance Management (APM / Wily / Introscope) INTROSCOPE

Issue/Introduction

Would like to know how Heap Used % metric is calculated with 10.7 Agents / EM? 

Environment

Release : 10.7.0

Component : APM Agents

Cause

NA

Resolution

As per engineering:


Pre 10.7 Agents calculate GC metrics:

old way (GC Heap:Bytes In Use ÷ GC Heap:Bytes Total) * 100 

10.7 Agent calculates GC Monitor Metrics: 

- new way (GC Heap:Bytes In Use ÷ Xmx) * 100