# `ClusterHealthIndexHealthStats` [interface-ClusterHealthIndexHealthStats] | Name | Type | Description | | - | - | - | | `active_primary_shards` | [integer](./integer.md) |   | | `active_shards` | [integer](./integer.md) |   | | `initializing_shards` | [integer](./integer.md) |   | | `number_of_replicas` | [integer](./integer.md) |   | | `number_of_shards` | [integer](./integer.md) |   | | `relocating_shards` | [integer](./integer.md) |   | | `shards` | Record |   | | `status` | [HealthStatus](./HealthStatus.md) |   | | `unassigned_primary_shards` | [integer](./integer.md) |   | | `unassigned_shards` | [integer](./integer.md) |   |