mirror of
https://github.com/wassname/ray.git
synced 2026-06-28 13:19:38 +08:00
Edward Oakes
53 lines
1.3 KiB
Python
53 lines
1.3 KiB
Python
import ray
|
|
from ray.test_utils import run_string_as_driver
|
|
|
|
|
|
# This tests the queue transitions for infeasible tasks. This has been an issue
|
|
# in the past, e.g., https://github.com/ray-project/ray/issues/3275.
|
|
def test_infeasible_tasks(ray_start_cluster):
|
|
cluster = ray_start_cluster
|
|
|
|
@ray.remote
|
|
def f():
|
|
return
|
|
|
|
cluster.add_node(resources={str(0): 100})
|
|
ray.init(address=cluster.address)
|
|
|
|
# Submit an infeasible task.
|
|
x_id = f._remote(args=[], kwargs={}, resources={str(1): 1})
|
|
|
|
# Add a node that makes the task feasible and make sure we can get the
|
|
# result.
|
|
cluster.add_node(resources={str(1): 100})
|
|
ray.get(x_id)
|
|
|
|
# Start a driver that submits an infeasible task and then let it exit.
|
|
driver_script = """
|
|
import ray
|
|
|
|
ray.init(address="{}")
|
|
|
|
@ray.remote(resources={})
|
|
def f():
|
|
{}pass # This is a weird hack to insert some blank space.
|
|
|
|
f.remote()
|
|
""".format(cluster.address, "{str(2): 1}", " ")
|
|
|
|
run_string_as_driver(driver_script)
|
|
|
|
# Now add a new node that makes the task feasible.
|
|
cluster.add_node(resources={str(2): 100})
|
|
|
|
# Make sure we can still run tasks on all nodes.
|
|
ray.get([
|
|
f._remote(args=[], kwargs={}, resources={str(i): 1}) for i in range(3)
|
|
])
|
|
|
|
|
|
if __name__ == "__main__":
|
|
import pytest
|
|
import sys
|
|
sys.exit(pytest.main(["-v", __file__]))
|