How to disable full GC triggered by System.gc()

Article Id: 129927

Status: Published

Updated On: 30-09-2019 07:33

Products:

STARTER PACK-7 , CA Rapid App Security , CA API Gateway , CA API Gateway , CA API Gateway

Issue/Introduction:

Customer has a problem with commercial servers. Full GC occurs every 20 minutes. GC occurs and response time increases by 2-3 seconds.

Environment:

Release:
Component: APIGTW

Resolution:

from the gc log, the frequent full gc are triggered by System.gc(), add the following java option can disable it,
-XX:+DisableExplicitGC

Steps:
1. vi /opt/SecureSpan/Gateway/node/default/etc/conf/node.properties
2. add one line
node.java.opts = -XX:+DisableExplicitGC
3. restart the ssg to take effect.
Do the same on all the nodes