load-balance-group-policies.md
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ROUNDROBIN (default) rotates among the available members of the load balancing group. The initially-contacted node keeps track of which node it chose last time, and chooses the next one in the cluster.
Note
Each node in the cluster maintains its own round-robin pointer that indicates which node it should pick next for each load-balancing group. Therefore, if clients connect to different initial nodes, they may be redirected to the same node. -
RANDOM chooses an available node from the group randomly.
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NONE disables load balancing.