VoltDB

Bases: Spout

__init__(output, state, **kwargs)

Initialize the VoltDB class.

Parameters:

Name	Type	Description	Default
output	BatchOutput	An instance of the BatchOutput class for saving the data.	required
state	State	An instance of the State class for maintaining the state.	required
**kwargs		Additional keyword arguments.	{}

Using geniusrise to invoke via command line

genius VoltDB rise \
    batch \
        --output_s3_bucket my_bucket \
        --output_s3_folder s3/folder \
    none \
    fetch \
        --args host=localhost port=21212 username=myuser password=<PASSWORD>

Using geniusrise to invoke via YAML file

version: "1"
spouts:
    my_voltdb_spout:
        name: "VoltDB"
        method: "fetch"
        args:
            host: "localhost"
            port: 21212
            username: "myuser"
            password: "<PASSWORD>"
        output:
            type: "batch"
            args:
                bucket: "my_bucket"
                s3_folder: "s3/folder"

fetch(host, port, username, password)

📖 Fetch data from a VoltDB database and save it in batch.

Parameters:

Name	Type	Description	Default
host	str	The VoltDB host.	required
port	int	The VoltDB port.	required
username	str	The VoltDB username.	required
password	str	The VoltDB password.	required

Raises:

Type	Description
Exception	If unable to connect to the VoltDB server or execute the query.