Connect & Ingest data from / to a StarRocks database

Sling CLI Setup

The following credentials keys are accepted:

  • host (required) -> The hostname / ip of the instance

  • user (required) -> he username to access the instance

  • database (required) -> The database name of the instance

  • fe_url (recommended) -> The front end URL for Stream Loading (Recommended). See here for more details. Example: http://<fe_host>:<fe_http_port>. User / Password are auto applied if already provided, or feel free to provide them again in the fe_url.

  • schema (optional) -> The default schema to use

  • password (optional) -> The password to access the instance

  • port (optional) -> The port of the instance. Default is 9030.

  • ssh_tunnel (optional) -> The URL of the SSH server you would like to use as a tunnel (example ssh://

  • ssh_private_key (optional) -> The private key to use to access a SSH server (raw string or path to file).

  • ssh_passphrase (optional) -> The passphrase to use to access a SSH server.

Stream Load Params

  • file_max_bytes (optional) -> The maximum file bytes size for stream loading chunking (via fe_url).

  • max_filter_ratio (optional since v1.2.4) -> The error tolerance for steam load. (details)

  • timezone (optional since v1.2.4) -> The timezone for steam load. (details)

  • strict_mode (optional since v1.2.4) -> strict mode for steam load. (details)

  • timeout (optional since v1.2.4) -> The timeout for stream load per file (default: 300)

Here are examples of setting a connection named STARROCKS. We must provide the type=starrocks property:

$ sling conns set STARROCKS type=starrocks host=<host> user=<user> database=<database> password=<password> port=<port> 

# OR use url
$ sling conns set STARROCKS url="starrocks://myuser:mypass@host.ip:9030/mydatabase"

Environment Variable

export STARROCKS='starrocks://myuser:mypass@host.ip:9030/mydatabase'

export STARROCKS='{ type: starrocks, url: "starrocks://myuser:mypass@host.ip:9030/mydatabase", fe_url: "http://host.ip:8030" }'

Sling Env File YAML

See here to learn more about the sling env.yaml file.

    type: starrocks
    host: <host>
    user: <user>
    port: <port>
    database: <database>
    schema: <schema>
    password: <password>
    fe_url: http://<fe_host>:<fe_http_port>

    fe_url: http://host.ip:8030
    url: "starrocks://myuser:mypass@host.ip:9030/mydatabase"

If you are facing issues connecting, please reach out to us at, on discord or open a Github Issue here.

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