title: Copy/Migrate old zookeeper znode/data to new zookeeper
body: <p>We have an old zookeeper 3-cluster quorum, with some permanent routing info stored in znodes/data. Now we are setting up another brand new 3-cluster quorum on a different data center, and we want to migrate the routing info to it. What's the best reliable way to do this?</p>
  
  <p>Will simply copy the transaction log do?
  Or better with snapshot?
  Or if there are some tools to extract data from old znodes and replay creation onto the new ones?</p>
  
  <p>Similar question found, but not answered <a href="https://stackoverflow.com/questions/29617733/best-way-to-copy-data-across-2-zookeeper-cluster">best way to copy data across 2 zookeeper cluster?</a></p>