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Support use of multiprocessing start methods other than "spawn" (e.g. "dragon") #554

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merged 1 commit into from
Sep 17, 2024
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Support use of multiprocessing start methods other than "spawn" (e.g. "dragon") #554

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5 changes: 4 additions & 1 deletion cubed/runtime/executors/local.py
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Original file line number Diff line number Diff line change
Expand Up @@ -180,7 +180,10 @@ async def async_execute_dag(
check_runtime_memory(spec, max_workers)
if use_processes:
max_tasks_per_child = kwargs.pop("max_tasks_per_child", None)
context = multiprocessing.get_context("spawn")
if isinstance(use_processes, str):
context = multiprocessing.get_context(use_processes)
else:
context = multiprocessing.get_context("spawn")
# max_tasks_per_child is only supported from Python 3.11
if max_tasks_per_child is None:
concurrent_executor = ProcessPoolExecutor(
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