UIM wasp probe on Primary hub utilizing huge memory

Products

• NIMSOFT PROBES
• DX Infrastructure Management

Issue/Introduction

 

 

In our Production environment UIM 8.5.1, the UIM primary hub wasp probe is utilizing huge memory on the server. Below are the screenshots for reference. Please help us finding the reason for this spike.

Windows task manager

 

Environment

Release : 8.51

Component : UIM - UMP_USM

Resolution

Below is the detail explanation how to  alter the configuration for better performance behavior:

Changes:
Includes: two config in options

1) -XX:MetaspaceSize=8192m

2) -XX:+UseG1GC



Removed configs:

min_perm_size = -XX:PermSize=128m

max_perm_size = -XX:MaxPermSize=512m

java_gc_conc_marc_sweep = -XX:+UseConcMarkSweepGC

java_cms_classunloading_enable = -XX:+CMSClassUnloadingEnabled





Old configuration:





options = -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9010 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.local.only=false







java_mem_max = -Xmx6144m



java_mem_init = -Xms4096m



java_stack_size = -Xss6m



min_perm_size = -XX:PermSize=128m



max_perm_size = -XX:MaxPermSize=512m



java_gc_conc_marc_sweep = -XX:+UseConcMarkSweepGC



java_cms_classunloading_enable = -XX:+CMSClassUnloadingEnabled











New Configuration after alter:







options = -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9010 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.local.only=false -XX:MetaspaceSize=8192m -XX:+UseG1GC







java_mem_max = -Xmx6144m



java_mem_init = -Xms4096m



java_stack_size = -Xss6m