MOI Memory Heap Dump Instructions

Products

• Mainframe Operational Intelligence

Issue/Introduction

In addition to the standard MOI Diagnostic Dump, there is a memory heap dump that can be created and uploaded to a MOI Case for analysis by MOI Engineering.   

The instructions and the attached tar file will produce the needed heap dump files.  

Environment

Release: 2.1

Resolution

Note the attached file to this Knowledge Document:  multidump_20240729.tgz

Instructions:

1.  Upload the attached multidump_20240729.tgz to your MOI appliance server 

2.  Login as root 

3.  Untar the multidump_20240729.tgz file:  tar -xvf multidump_20240729.tgz

4.  Make the script executable:  chmod +x dumpheap.sh

5.  Run the command:   bash dumpheap.sh | tee dumpheap.log

Three new files should appear in the current directory:  hubDump0001.hprof.gz, dumpheap.log, and maasDump0001.hprof.gz         

Please provide all three files to technical support for analysis.