Baunsgaard commented on PR #1757:
URL: https://github.com/apache/systemds/pull/1757#issuecomment-1370041167

   1: verified . the JVM is correctly allocating and using the correct pool, 
there is no difference to normal execution. But it seems like we need to 
analyze if we have some other locations that are allocating threads that are 
not needed, since the pool does not allocate the 1,2 threads, indicating maybe 
that there is something unintended happening somewhere. 
   
   ![Screenshot from 2023-01-03 
17-26-30](https://user-images.githubusercontent.com/9947148/210398678-1e988b35-ecee-4a55-b5ac-2ac211a0a5f3.png)
   
   2: The filesystem to get is documented and coded in a way that the context 
is cached if created by a request. It seems like adding a synchronization block 
is not needed, since in the case two threads ask they will just both create a 
FileSystem object and overwrite the cached.
   
   ![Screenshot from 2023-01-03 
18-27-10](https://user-images.githubusercontent.com/9947148/210409534-f512f551-cb5d-4009-9e9b-a62dcc31074c.png)
   


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