Java Client Applications May Use Significantly More Memory and CPU after Upgrading to JDK 11 or Later (Doc ID 2769976.1)

Last updated on SEPTEMBER 14, 2022

Applies to:

Java SE JDK and JRE - Version 11 and later
Information in this document applies to any platform.

Symptoms

When migrating a small Java client application from Java SE 8 HotSpot 32-bit Client Virtual Machine (VM) to Java SE 11, the following issues may be seen:

Significant CPU usage increase, by a factor of 2-3 at application launch
Memory footprint increase, by as much as twice
Slower start times

Cause

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In this Document

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Java Client Applications May Use Significantly More Memory and CPU after Upgrading to JDK 11 or Later (Doc ID 2769976.1)

Applies to:

Symptoms

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!