Edit log file for nodelabel written in wrong order if StoreNewClusterNodeLabels addition is delayed and UpdateNodeToLabelsMappingsEvent is added to dispatcher.
Configure RM admin client thread count to 2
Add node label to cluster X - Client 1
Delay event addition to dispatcher
Replace node label on node1 to X - Client 2
Make sure UpdateNodeToLabelsMappingsEvent added to dispatcher first.
Restart resource manager