Receiving EM load exceeds hardware capacity error

Products

• CA Application Performance Management (APM / Wily / Introscope)

Issue/Introduction

Our APM server became unavailable due to the following error:

EM load exceeds hardware capacity

Environment

APM 10.8 SP1

Resolution

On all EM's, added the following properties to IntroscopeEnterpriseManager.properties file

transport.outgoingMessageQueueSize=8000
transport.override.isengard.high.concurrency.pool.max.size=14
transport.override.isengard.high.concurrency.pool.min.size=14

 

On all EM's, in the EMService.conf file added the below property

-XX:MaxGCPauseMillis=200

and removed these from the EMService.conf file.

-XX:ParallelGCThreads=4
-XX:ConcGCThreads=2