# SHOW LEAVES

Shows the leaves in a cluster.

## Syntax

```sql
SHOW LEAVES;

```

**Output**

| Column                         | Description                                                                                                                                     |
| ------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------- |
| `Host`                         | Host name or IP address                                                                                                                         |
| `Port`                         | Port number                                                                                                                                     |
| `Availability_Group`           | Availability group to which this leaf belongs                                                                                                   |
| `Pair_Host`                    | Pair host                                                                                                                                       |
| `Pair_Port`                    | Pair port                                                                                                                                       |
| `State`                        | Leaf state (see[Leaf States](https://docs.singlestore.com/db/v9.1/reference/sql-reference/cluster-management-commands.md))                      |
| `Opened_Connections`           | Number of opened connections                                                                                                                    |
| `Average_Roundtrip_Latency_ms` | Average round-trip latency in milliseconds, calculated as`SELECT 1`from the master aggregator to the leaf                                       |
| `NodeId`                       | The unique`ID`of a given leaf node.                                                                                                             |
| `Grace_Period_in_Seconds`      | Time left for the node to recover after failing and coming back online. This is set by engine variable`failover_initial_grace_interval_seconds` |
| `Minimum_Pre_Prepare_Ts`       | The timestamp of the cluster-wide oldest distributed transaction among all participants (master aggregator and leaves).                         |
| `Runtime_State`                | Internal                                                                                                                                        |

## Remarks

* Refer to the [Permissions Matrix](https://docs.singlestore.com/db/v9.1/reference/sql-reference/security-management-commands/permissions-matrix.md) for the required permissions.

## Example

```sql
SHOW LEAVES;

```

```output

+---------------+-------+--------------------+---------------+-----------+--------+--------------------+------------------------------+
| Host          | Port  | Availability_Group | Pair_Host     | Pair_Port | State  | Opened_Connections | Average_Roundtrip_Latency_ms |
+---------------+-------+--------------------+---------------+-----------+--------+--------------------+------------------------------+
| 192.168.1.110 |  3306 |                  1 | 192.168.1.112 |      3306 | online |                  5 |                     0.299    |
| 192.168.1.111 |  3306 |                  1 | 192.168.1.113 |      3306 | online |                  5 |                     0.293    |
| 192.168.1.112 |  3306 |                  2 | 192.168.1.110 |      3306 | online |                  1 |                     0.271    |
| 192.168.1.113 |  3306 |                  2 | 192.168.1.111 |      3306 | online |                  1 |                     0.264    |
+---------------+-------+--------------------+---------------+-----------+--------+--------------------+------------------------------+
4 rows in set (0.00 sec)

```

***

Modified at: July 31, 2023

Source: [/db/v9.1/reference/sql-reference/cluster-management-commands/show-leaves/](https://docs.singlestore.com/db/v9.1/reference/sql-reference/cluster-management-commands/show-leaves/)

(An index of the documentation is available at /llms.txt)
