# `CompletionStats` [interface-CompletionStats]

| Name | Type | Description |
| - | - | - |
| `fields` | Record<[Field](./Field.md), [FieldSizeUsage](./FieldSizeUsage.md)> | &nbsp; |
| `size_in_bytes` | [long](./long.md) | Total amount, in bytes, of memory used for completion across all shards assigned to selected nodes. |
| `size` | [ByteSize](./ByteSize.md) | Total amount of memory used for completion across all shards assigned to selected nodes. |