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Clients Table¶
Added in version 3.3.
This document describes how to work with Scylla’s client table, which provides real-time information on CQL clients currently connected to the Scylla cluster.
Viewing - List Active CQL connections¶
SELECT address, port FROM system.clients;
Example output:
address    | port
------------+-------
172.17.0.2 | 33296
172.17.0.2 | 33298
Significant columns in the Client table:
| Parameter | Description | 
|---|---|
| address (PK) | Client’s IP address | 
| port (CK) | Client’s outgoing port number | 
| username | Username - when Authentication is used | 
| shard_id | Scylla node shard handing the connection |