[LOG4J2-2792] Performance issue in log4j 2.12.1 and log4j 2.13.0

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 2.12.1, 2.13.0
• Fix Version/s: 2.14.0
• Component/s: API, Core

Environment

System configuration: Redhat Linux 7,12-core,16Gb RAM

Application server: Apache tomcat 9.0.16

• Assignee: Unassigned
• Reporter: Riya Reji
• Created: 27/Feb/20 08:39
• Updated: 31/Jul/20 04:25
• Resolved: 31/Jul/20 04:25

Description

Hi,

When log4j2 was upgraded from 2.11.0 to 2.12.1 or 2.13.0,the cpu utilization was spiking to 100 %. When 2.11.0 version was used the CPU utilization was below 40%.

 

PFA image of CPU utilization when 2.13.0 was used

Issue Links

• is related to: LOG4J2-2880 High CPU consumption using StackWalker