Exact Memory used in ThreadPoolTaskExecutor-

How much memory is used by below method by using bean
Calculate the memory being used by ThreadPoolTaskExecutor ?

@Bean("updateTask")
public ThreadPoolTaskExecutor fixedThreadPool() {
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setCorePoolSize(5);
executor.setMaxPoolSize(5);
executor.setThreadNamePrefix("updateTask");
executor.setQueueCapacity(Integer.MAX_VALUE);
executor.initialize();
return executor;
}