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Get information on data nodes. This function is specific to running TimescaleDB in a multi-node setup.
Warning
Multi-node support is sunsetted
.
TimescaleDB v2.13 is the last release that includes multi-node support for Postgres versions 13, 14, and 15.
Get metadata related to data nodes.
SELECT * FROM timescaledb_information.data_nodes;node_name | owner | options--------------+------------+--------------------------------dn1 | postgres | {host=localhost,port=15431,dbname=test}dn2 | postgres | {host=localhost,port=15432,dbname=test}(2 rows)
| Name | Type | Description |
|---|---|---|
node_name | TEXT | Data node name. |
owner | REGCLASS | Oid of the user, who added the data node. |
options | JSONB | Options used when creating the data node. |
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