Tomcat server 

1.       Set autoDeploy = false.  This will apply to the /conf/server.xml

a.       This addresses an issue where if autoDeploy=true, and there is a failed deploy, DS files get deleted, and prevents hot deploys if war file is prestaged.

2.       Add XX:+HeapDumpOnOutOfMemoryError, -XX:HeapDumpPath= java options. This will apply to /home/tomcat/<JVM_NAME/bin/setenv.sh

a.       Produce heapdumps realtime, instead of manually after the fact.

3.       Remove -verbose:gc java option

a.       logs duplicate gc logs in Catalina.out

Tomcat server needs to restart to effect the above changes.