How to Run Multiple workflows

[Vamshi104]

Hi All,

I am trying to work on below scenario i.e. I have 5 workflows and i would like to call all 5 workflows and run them at a time one after other.

So, I would like to know if it is possible in Knime

Regards,
Vamshi

[josegallardo]

Hi @Vamshi104 and welcome to KNIME Forum.

I invite you to explore the Call Workflow Nodes, where you can call workflows from another workflow.

There are also other possibilities such as using REST APIs or calling workflow actions. However, they are part of the KNIME Business Hub.

I hope this helps.

All the best,

Jose.

[Daniel_Weikert]

@josegallardo
Do you have some training videos regarding the Business hub?
Thanks

[josegallardo]

Unfortunately @Daniel_Weikert there are still no videos about business hub as it is a really new product.

About KNIME trainings you can find here.

All the best,

Jose.

[Daniel_Weikert]

Any roadmap / time schedule on when you guys deliver webinars / videos on that?
br

[bruno29a]

Hi @Vamshi104 and welcome to the Knime Community.

Alternatively, you can also run them via the Command Line. Figure out first how to run a workflow via the command line. See this for more details:

FAQ | KNIME

You should be able to run a workflow via the command line after going through the examples from the above page.

After that, you can create a batch file (on Windows) or an sh file (on Linux or MacOS) in which you can add the commands to run each of the workflows. For example:

knime -nosplash -application org.knime.product.KNIME_BATCH_APPLICATION​ -nosave -reset path_to_your_workflow_1
knime -nosplash -application org.knime.product.KNIME_BATCH_APPLICATION​ -nosave -reset path_to_your_workflow_2
knime -nosplash -application org.knime.product.KNIME_BATCH_APPLICATION​ -nosave -reset path_to_your_workflow_3
knime -nosplash -application org.knime.product.KNIME_BATCH_APPLICATION​ -nosave -reset path_to_your_workflow_4
knime -nosplash -application org.knime.product.KNIME_BATCH_APPLICATION​ -nosave -reset path_to_your_workflow_5

Save your .bat or .sh file, and execute the file. Each of these commands will run one after the other.

[mlauber71]

@Vamshi104 you could take a look at the resources and examples mentioned here

use data from another workflow into current workflow

@sanderlenselink you can call a KNIME workflow from another one and transfer data to that workflow: What you want to keep in mind is that you will have to make sure what data is created when and do you have the relevant status. KNIME does that via Flow Variables and Workflow orchestration. I would suggest to combine the approaches. Transfering data via KNIME table should be stable:

use data from another workflow into current workflow

@sanderlenselink I have toyed around with your data and came up with these options to communicate between the main and sub workflows. [image] [image]