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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.
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 |