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dashboard: allow 60 seconds for the dashboard to start #58341

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Merged
merged 5 commits into from
Oct 31, 2025
Merged

dashboard: allow 60 seconds for the dashboard to start #58341

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1baf9ad
dashboard: allow 60 seconds for the dashboard to start
morotti Oct 31, 2025
59f3aae
Merge branch 'master' of https://github.com/ray-project/ray into patch-1
edoakes Oct 31, 2025
cac3cf0
fix
edoakes Oct 31, 2025
4dd2dfc
fix
edoakes Oct 31, 2025
73bcca8
fix
edoakes Oct 31, 2025
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3 changes: 3 additions & 0 deletions python/ray/_private/ray_constants.py
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Original file line number Diff line number Diff line change
Expand Up @@ -163,6 +163,9 @@ def env_set_by_user(key):
# instantiate a Job SubmissionClient.
RAY_JOB_HEADERS = "RAY_JOB_HEADERS"

# Timeout waiting for the dashboard to come alive during node startup.
RAY_DASHBOARD_STARTUP_TIMEOUT_S = env_integer("RAY_DASHBOARD_STARTUP_TIMEOUT_S", 60)

DEFAULT_DASHBOARD_IP = "127.0.0.1"
DEFAULT_DASHBOARD_PORT = 8265
DASHBOARD_ADDRESS = "dashboard"
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6 changes: 5 additions & 1 deletion python/ray/_private/services.py
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Expand Up @@ -1313,7 +1313,10 @@ def start_api_server(
ray.experimental.internal_kv._initialize_internal_kv(gcs_client)
dashboard_url = None
dashboard_returncode = None
for _ in range(200):
start_time_s = time.time()
while (
time.time() - start_time_s < ray_constants.RAY_DASHBOARD_STARTUP_TIMEOUT_S
):
dashboard_url = ray.experimental.internal_kv._internal_kv_get(
ray_constants.DASHBOARD_ADDRESS,
namespace=ray_constants.KV_NAMESPACE_DASHBOARD,
Expand All @@ -1324,6 +1327,7 @@ def start_api_server(
dashboard_returncode = process_info.process.poll()
if dashboard_returncode is not None:
break

# This is often on the critical path of ray.init() and ray start,
# so we need to poll often.
time.sleep(0.1)
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