Gateway V10 - High memory usage

Products

• CA API Gateway
• API SECURITY
• CA API Gateway Precision API Monitoring Module for API Gateway (Layer 7)
• CA API Gateway Enterprise Service Manager (Layer 7)
• STARTER PACK-7
• CA Microgateway

Issue/Introduction

We are observing high memory usage, around 23 GB for gateway.jar in CA Gateway V10. But Memory usage was around 4 GB in V9.4.

Could you please let us know the reason for this high usage?

Also please let us know how we can fix it, if its not expected 

Environment

Release : 10.0

Component : API GATEWAY

Resolution

The java heap size can be modified/added from node.properties

https://techdocs.broadcom.com/us/en/ca-enterprise-software/layer7-api-management/api-gateway/10-0/reference/troubleshoot-the-gateway/optimize-gateway-for-large-file-uploads.html

Add/modify node.java.heap = <less than half of the total GW memory>