Getting "OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N" after upgrading to java 8

Issue

This warning appears when i restart slave service.
i can see it on my server console :

service jboss-as-SLAVE.sh restart
Stopping jboss-as: [ OK ]
Starting jboss-as: [Server:SG_IHMS_MAQ_node1] OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
[ OK ]