final case class LoadBalancingPolicyConfig(class: String = LoadBalancingPolicyConfig.Default.`class`, localDatacenter: Option[String] = LoadBalancingPolicyConfig.Default.localDatacenter, filter: Option[FilterConfig] = LoadBalancingPolicyConfig.Default.filter) extends Product with Serializable

The policy that decides the "query plan" for each query; that is, which nodes to try as coordinators, and in which order.

localDatacenter

The datacenter that is considered "local": the default policy will only include nodes from this datacenter in its query plans. This option can only be absent if you specified no contact points: in that case, the driver defaults to 127.0.0.1:9042, and that node's datacenter is used as the local datacenter. As soon as you provide contact points (either through the configuration or through the cluster builder), you must define the local datacenter explicitly, and initialization will fail if this property is absent. In addition, all contact points should be from this datacenter; warnings will be logged for nodes that are from a different one.

filter

A custom filter to include/exclude nodes.

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Instance Constructors

  1. new LoadBalancingPolicyConfig(class: String = LoadBalancingPolicyConfig.Default.`class`, localDatacenter: Option[String] = LoadBalancingPolicyConfig.Default.localDatacenter, filter: Option[FilterConfig] = LoadBalancingPolicyConfig.Default.filter)

    localDatacenter

    The datacenter that is considered "local": the default policy will only include nodes from this datacenter in its query plans. This option can only be absent if you specified no contact points: in that case, the driver defaults to 127.0.0.1:9042, and that node's datacenter is used as the local datacenter. As soon as you provide contact points (either through the configuration or through the cluster builder), you must define the local datacenter explicitly, and initialization will fail if this property is absent. In addition, all contact points should be from this datacenter; warnings will be logged for nodes that are from a different one.

    filter

    A custom filter to include/exclude nodes.

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  8. val filter: Option[FilterConfig]
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  11. val localDatacenter: Option[String]
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    (Since version 9)

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