# `XpackUsageDataTierPhaseStatistics` [interface-XpackUsageDataTierPhaseStatistics]

| Name | Type | Description |
| - | - | - |
| `doc_count` | [long](./long.md) |   |
| `index_count` | [long](./long.md) |   |
| `node_count` | [long](./long.md) |   |
| `primary_shard_count` | [long](./long.md) |   |
| `primary_shard_size_avg_bytes` | [long](./long.md) |   |
| `primary_shard_size_mad_bytes` | [long](./long.md) |   |
| `primary_shard_size_median_bytes` | [long](./long.md) |   |
| `primary_size_bytes` | [long](./long.md) |   |
| `total_shard_count` | [long](./long.md) |   |
| `total_size_bytes` | [long](./long.md) |   |