beccon4 commented on issue #3765:
URL: https://github.com/apache/hop/issues/3765#issuecomment-2023325523

   Yes, Export Linked Resources is checked. However there is no difference at 
all whether I run the workflow remotely or locally. It just hangs with no clues.
   
   I created a workflow consisting of quite a few simple pipelines - complex 
SQL in - output to destination table. It worked fine. Then I added a more 
complex pipeline (containing sorts and a merge) to that workflow and that 
workflow started to hang. Even removing that complex pipeline didn't help. 
Copying the structure to a new empty workflow did the job. I could even add the 
complex pipeline again and it worked. Comparing the xml of the hwf files 
doesn't show much difference except that the sequence of the piplines is 
somewhat scrambled.
   
   What can be the cause?
   - Memory - we have 6GB in the machine where the GUI resides and 4GB on the 
server - htop doesn't show memory exhaustion.
   -  CPU - htop shows that all cores idle
   - some semaphore or MUX - probably - but how can I find out which one?
   
   I run HOP on an KVM virtual machine running Xfce4. The server is across a 
VPN at the client's premises. It works so far. It always works when I start a 
pipeline directly. What's wrong here?


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