This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori 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