hunk.code_window:       the plasma manager port.
     """
     # Compute a fraction of the system memory for the Plasma store to use.
     system_memory = psutil.virtual_memory().total
     plasma_store_memory = int(system_memory * 0.75)
     # Start the Plasma store.
     plasma_store_name, p1 = plasma.start_plasma_store(plasma_store_memory=plasma_store_memory, use_profiler=RUN_PLASMA_STORE_PROFILER)
     # Start the plasma manager.
  
hunk.labels: keep keep keep keep replace keep keep keep
hunk.after_edit:   if sys.platform == "linux" or sys.platform == "linux2":
       # On linux we use /dev/shm, its size is half the size of the physical
       # memory. To not overflow it, we set the plasma memory limit to 0.4 times
       # the size of the physical memory.
       plasma_store_memory = int(system_memory * 0.4)
     else:
       plasma_store_memory = int(system_memory * 0.75)
  
hunk.file_path: lib/python/ray/services.py
hunk.type: replace