How to improve performance of SimpleDateFormat wrapped in ThreadLocal?

Question

This is on Java 7 (51) on RHEL with 24 cores We are noticing a rise in average response times of a java SimpleDateFormat wrapped in thread local as we increase the thread po

Answer 1

Our usecase was write once(single thread) and read many times(concurrently). So i converted Date to String at the time of storing the data, instead of doing this each time a request needs to be responded.