This week's book giveaway is in the Performance forum. We're giving away four copies of The Java Performance Companion and have Charlie Hunt, Monica Beckwith, Poonam Parhar, & Bengt Rutisson on-line! See this thread for details.
The correct answer to this question is: you should register listener to NodeSync mBean.
this bean is performing syncronization every once in a while, you can obtain this information if you have