to false. 2 NODES CONFIGURATION One node dedicated to context server, 1 node for elasticsearch storage. Node A : node.data=true numberOfReplicas=0 monthlyIndex.numberOfReplicas=0 Node B : node.data=false numberOfReplicas=0 3 NODES CONFIGURATION One node dedicated to context server, 2 nodes for elasticsearch storage with fault-tolerance Node A : node.data=false numberOfReplicas=1 monthlyIndex.numberOfReplicas=1

Elasticsearch cluster must have enough capacity to handle the migration. At a minimum, the required capacity storage capacity must be greater than the size of the dataset in production + the size of the largest index