Subnode

KNIME Analytics Platform
1

Hi

Does somebody know if there is a documentation explaining how a subnode works compared to a metanode?

I have seen this feature in the releasde 2.10 but unfortunately, I did not find the associated documentation.

Thanks in advance.

Best Regards

Loys

2

Would love to know as well.

3

As I understood during the last open source days, they differ from metanodes, that their content cannot be executed separately, only all of them. It is more like a single node.

4

Hi,

are there any performance gains to be expected from the use of the one or the other?

5

Flow variables defined in the subnodes are not passed to the outside. That's the only other thing that I've heard about them.

6

Im curious too. I just found technical explanations yet but there must be a User Story or similar  why they were introduced in the first place.

7

I seem to remember the ability to lock down the contents of a sub-node being desirable to software vendors. I guess a vendor might not want to build a full plugin if their code/method can be easily incorporated using existing nodes. Or, maybe, if they do have a plugin they might also want to provide specific configurations of their nodes.

Basically, the sub-nodes are bit like the way Pipeline Pilot incorporates third party tools.