How to increase the JVM memory of of arcsight?

 If your connector don't have sufficient java memory, it will be down. In this case go to

<ArcSight Home>\current\user\agent\agent.wrapper.conf

In this file you find:

# Initial Java Heap Size (in MB)

wrapper.java.initmemory=256

# Maximum Java Heap Size (in MB)

wrapper.java.maxmemory=256

Increase these values, save file, and restart connector process.

You may find your connector current memory utilization with console command Send Command->Status->Get Status