You'll need to extract those commands from your database and split then into several files to distributed the load to JMeter Agents/Servers. The files will be accessed by the CSV Data Set Config.
If those commands are ready to use, you'll need a CSV Data Set Config and a
OS Process Sampler inside your Test Plan.
CSV Data Set Config (
Filename: path/to/csv/file
Variable names: command
)
OS Process Sampler (
Command: ${command}
)
