mirror of
https://github.com/vale981/ray
synced 2025-03-06 02:21:39 -05:00
50 lines
1.1 KiB
Python
50 lines
1.1 KiB
Python
import sys
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import time
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from collections import Counter
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import ray
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@ray.remote
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def get_host_name(x):
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import platform
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import time
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time.sleep(0.01)
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return x + (platform.node(),)
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def wait_for_nodes(expected):
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# Wait for all nodes to join the cluster.
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while True:
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num_nodes = len(ray.nodes())
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if num_nodes < expected:
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print(
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"{} nodes have joined so far, waiting for {} more.".format(
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num_nodes, expected - num_nodes
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)
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)
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sys.stdout.flush()
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time.sleep(1)
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else:
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break
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def main():
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wait_for_nodes(4)
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# Check that objects can be transferred from each node to each other node.
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for i in range(10):
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print("Iteration {}".format(i))
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results = [get_host_name.remote(get_host_name.remote(())) for _ in range(100)]
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print(Counter(ray.get(results)))
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sys.stdout.flush()
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print("Success!")
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sys.stdout.flush()
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time.sleep(20)
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if __name__ == "__main__":
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ray.init(address="localhost:6379")
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main()
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