E1: KER: Frequently Asked Questions About Kernel Resource Manager and Its Related Parameters in Server Manager
(Doc ID 1102467.1)
Last updated on JUNE 01, 2023
Applies to:
JD Edwards EnterpriseOne Tools - Version 8.98 and laterInformation in this document applies to any platform.
Purpose
What is Kernel Resource Manager?
This document provides Questions and answers on Kernel Resource Manager (KRM) and its related parameters in Server Manager. KRM was first introduced with Tools Release 8.98.2v.
KRM captures data at various levels. They are:
- Instance Level Data
- Kernel Level Data
- User Level Data
- On-Demand Diagnostics (includes CPU / Memory Diagnostics)
- Real Time Diagnostic
KRM helps troubleshoot the following issues:
- Zombie Kernels - memory consumption
- High DB connections
- Hung Kernels
- Long DB queries
- High Memory usage
- Memory leaks and excess memory consumption
- Subsystem leaks
- Runaway kernels
- Check system health
- Deadlock transactions
Questions and Answers
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In this Document
| Purpose |
| What is Kernel Resource Manager? |
| Questions and Answers |
| Minimum Requirements for KRM |
| What is the minimum Tools Release requirement to capture diagnostic information for KRM? |
| What is the minimum requirement to display the diagnostic information in Server Manager Console? |
| What is the impact of a version mismatch between Server Manager and KRM? |
| KRM Monitors |
| What is the default number of data points that can be collected by Monitors? |
| What is the default collection interval for data collection by Monitors? |
| What happens if the monitor collection interval is set to less than 20 seconds (which is default)? |
| What happens to the data collected by monitors when Server Manager Console (SMC) services are stopped and restarted? |
| Using KRM |
| What is the format in which data is stored for the graphical representation? |
| What is the usage of 'Corrective Actions section'? |
| What is 'Query Exceeding a Threshold'? |
| When running BMD, what does zero delta mean? |
| What is JADE? |
| Performance |
| How to determine abnormal memory usage using KRM? |
| Where to find the memory limit for 'CallObject' and 'Runbatch'? |
| How to identify the abnormal processes in EnterpriseOne? |
| What is the usage of the 'Connected Users section'? |
| What is the usage for 'Diagnostics section'? |
| After upgrading from Tools Release 8.98.2 to 9.1.0.4, there are many messages in JDEDEBUG.LOG that still mention TR 8.98.2.0. Was any step missed while upgrading the Tools Release? |
| New Features |
| What are the two new metrics added in TR 8.98.3? |
| What are the new columns added with TR 8.98.3 for the process list? |
| What should be added to the JDE.INI to get the contextual information in TR 8.98.3.0 and above on Windows platforms? |
| What is the purpose of the new functionality called 'Recycle Kernel' button? |
| What is the purpose of the new role 'enterpriseServerDeveloper' in SMC? |
| References |