Need to give more context about the service internals/impact during rebalance.
-how the partitions are handled during a rebalance
-any impacts on the live traffic updates.
-tips for faster rebalance operations.
how to enable the quick recovery of partitions during failover upgrade - recovery of a node.
-how to deal with rebalance failures.
-Is it safe/recommended to retry a failed rebalance.
-things to keep in mind before doing a rebalance.
-things to keep keep track of during a rebalance.