High CPU and Performance Issues on RHEL with ControlM

Products

• Carbon Black App Control

Issue/Introduction

Linux servers with Control-M that generate child processes of ksh93 see high CPU usage for the Agent and ksh93 process.

Environment

• Carbon Black Application Control Agent: All Supported Versions
• RHEL 9

Cause

ksh93 is generating many short lived temporary files

Resolution

1. Create a performance optimization rule
   • Create a Performance Optimization Rule to Ignore File Modifications
2. For "Path or File" enter: 

   /shm/sf??.???

3. For "Process" enter: 

   /usr/bin/ksh93

4. Set the platform to Linux