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[doc] Add note for rabit port. [skip ci] (#8879)

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Jiaming Yuan 2023-03-08 19:00:10 +08:00 committed by GitHub
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doc/tutorials/dask.rst
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@ -498,11 +498,15 @@ dask config is used:
with Client(scheduler_file="sched.json") as client: with Client(scheduler_file="sched.json") as client:
reg = dxgb.DaskXGBRegressor() reg = dxgb.DaskXGBRegressor()
# or we can specify the port too # We can specify the port for XGBoost as well
with dask.config.set({"xgboost.scheduler_address": "192.0.0.100:12345"}): with dask.config.set({"xgboost.scheduler_address": "192.0.0.100:12345"}):
reg = dxgb.DaskXGBRegressor() reg = dxgb.DaskXGBRegressor()
Please note that XGBoost requires a different port than dask. By default, on a unix-like
system XGBoost uses the port 0 to find available ports, which may fail if a user is
running in a restricted docker environment. In this case, please open additional ports in
the container and specify it as in the above snippet.
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IPv6 Support IPv6 Support