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Elastic Cloud Server (ECS) In the cluster that runs the CSS vector database used by KooSearch, each node is an ECS. When you create a cluster, ECSs are automatically created. Elastic Volume Service (EVS) The CSS vector database used by KooSearch uses EVS to store index data.
For details, see ECS Types. Node Storage Type When Instance Specifications is set to GP-accelerated, select a node storage type, which can be Common I/O, High I/O, or Ultra-high I/O.