Performance degradation with RHEL 6.5 and Apache Camel 2.15.0

I am using Apache Camel 2.15.0 version in my web application and using the Rest Component for defining the REST endpoints using Java DSL.
The application runs properly with Windows platform, and Ubuntu 16.04. however I had seen the performance is very poor and it hardly finishes the request tested in RHEL 6.5. and 7.3.
After enabling the logs in RHEL, I had noticed that for each HTTP request it takes long time from Servlet Filter to the RouteBuilder.

What can be the possible causes behind this ?