Run SNAP on supercomputer (multiple nodes)

[marpet]

It depends what kind of processing you are doing.
@lveci wrote a post answering a similar question:

Trouble with gpt multithreading

It’s hard to tell what could be going on without debugging the same scenario. The gpt should divide up the tiles from the writer to the number of cores available. After that, the graph pulls the data from operator to operator as needed. If an operator does something like call statistics on the whole image then the parallelism get ruined as one thread tries to do too much work. This may not be happening here since it appears to be ok for a while and then not. Maybe the VM goes into garbage colle…