How "File Reader" works?

[mlauber71]

@jjlee in general when a KNIME node has a green traffic light the underlying data will be stored with the workflow:

@jjlee

I would like to know where the temporary directory is stored

You could take a look at this thread:

Question about 'Memory Policy' in node options.

@pigret113 welcome to the KNIME forum. The data will be stored in a temporary location you could see by using the Extract Context Properties node under the value “context.workflow.temp.location”. [image] You could actually change that temporary location of you wish to do so: [image] Also if you must you could tweak the internal storage of the data, as well as use the (new and still experimental) columnar storage in Apache Parquet. But You should be careful to do that. [image] A smal…

Then you might want to take a look at the workbench guide our of KNIME’s excellent documentation:

https://docs.knime.com/latest/analytics_platform_workbench_guide/index.html