# `NodesPool` [interface-NodesPool]

| Name | Type | Description |
| - | - | - |
| `max_in_bytes` | [long](./long.md) | Maximum amount of memory, in bytes, available for use by the heap. |
| `peak_max_in_bytes` | [long](./long.md) | Largest amount of memory, in bytes, historically used by the heap. |
| `peak_used_in_bytes` | [long](./long.md) | Largest amount of memory, in bytes, historically used by the heap. |
| `used_in_bytes` | [long](./long.md) | Memory, in bytes, used by the heap. |