Fix links in Dask cuDF documentation (#16929)

More follow-up fixes to the recent Dask-cuDF documentation additions.

Authors:
  - Richard (Rick) Zamora (https://github.com/rjzamora)
  - GALI PREM SAGAR (https://github.com/galipremsagar)

Approvers:
  - GALI PREM SAGAR (https://github.com/galipremsagar)
  - Vyas Ramasubramani (https://github.com/vyasr)

URL: #16929

docs/dask_cudf/source/best_practices.rst

@@ -81,7 +81,7 @@ representations, native cuDF spilling may be insufficient. For these cases,
 `JIT-unspill <https://docs.rapids.ai/api/dask-cuda/nightly/spilling/#jit-unspill>`__
 is likely to produce better protection from out-of-memory (OOM) errors.
 Please see `Dask-CUDA's spilling documentation
-<https://docs.rapids.ai/api/dask-cuda/24.10/spilling/>`__ for further details
+<https://docs.rapids.ai/api/dask-cuda/stable/spilling/>`__ for further details
 and guidance.
 
 Use RMM
@@ -160,7 +160,7 @@ of the underlying task graph to materialize the collection.
 
 :func:`sort_values` / :func:`set_index` : These operations both require Dask to
 eagerly collect quantile information about the column(s) being targeted by the
-global sort operation. See `Avoid Sorting`__ for notes on sorting considerations.
+global sort operation. See the next section for notes on sorting considerations.
 
 .. note::
   When using :func:`set_index`, be sure to pass in ``sort=False`` whenever the
@@ -297,11 +297,14 @@ bottleneck is typically device-to-host memory spilling.
 Although every workflow is different, the following guidelines
 are often recommended:
 
-* `Use a distributed cluster with Dask-CUDA workers <Use Dask-CUDA>`_
-* `Use native cuDF spilling whenever possible <Enable cuDF Spilling>`_
+* Use a distributed cluster with `Dask-CUDA <https://docs.rapids.ai/api/dask-cuda/stable/>`__ workers
+
+* Use native cuDF spilling whenever possible (`Dask-CUDA spilling documentation <https://docs.rapids.ai/api/dask-cuda/stable/spilling/>`__)
+
 * Avoid shuffling whenever possible
-  * Use ``split_out=1`` for low-cardinality groupby aggregations
-  * Use ``broadcast=True`` for joins when at least one collection comprises a small number of partitions (e.g. ``<=5``)
+    * Use ``split_out=1`` for low-cardinality groupby aggregations
+    * Use ``broadcast=True`` for joins when at least one collection comprises a small number of partitions (e.g. ``<=5``)
+
 * `Use UCX <https://docs.rapids.ai/api/dask-cuda/nightly/examples/ucx/>`__ if communication is a bottleneck.
 
 .. note::

docs/dask_cudf/source/conf.py

@@ -78,6 +78,7 @@
     "cudf": ("https://docs.rapids.ai/api/cudf/stable/", None),
     "dask": ("https://docs.dask.org/en/stable/", None),
     "pandas": ("https://pandas.pydata.org/docs/", None),
+    "dask-cuda": ("https://docs.rapids.ai/api/dask-cuda/stable/", None),
 }
 
 numpydoc_show_inherited_class_members = True

docs/dask_cudf/source/index.rst

@@ -16,10 +16,9 @@ as the ``"cudf"`` dataframe backend for
   Neither Dask cuDF nor Dask DataFrame provide support for multi-GPU
   or multi-node execution on their own. You must also deploy a
   `dask.distributed <https://distributed.dask.org/en/stable/>`__ cluster
-  to leverage multiple GPUs. We strongly recommend using `Dask-CUDA
-  <https://docs.rapids.ai/api/dask-cuda/stable/>`__ to simplify the
-  setup of the cluster, taking advantage of all features of the GPU
-  and networking hardware.
+  to leverage multiple GPUs. We strongly recommend using :doc:`dask-cuda:index`
+  to simplify the setup of the cluster, taking advantage of all features
+  of the GPU and networking hardware.
 
 If you are familiar with Dask and `pandas <pandas.pydata.org>`__ or
 `cuDF <https://docs.rapids.ai/api/cudf/stable/>`__, then Dask cuDF
@@ -161,7 +160,7 @@ out-of-core computing. This also means that the compute tasks can be
 executed in parallel over a multi-GPU cluster.
 
 In order to execute your Dask workflow on multiple GPUs, you will
-typically need to use `Dask-CUDA <https://docs.rapids.ai/api/dask-cuda/stable/>`__
+typically need to use :doc:`dask-cuda:index`
 to deploy distributed Dask cluster, and
 `Distributed <https://distributed.dask.org/en/stable/client.html>`__
 to define a client object. For example::
@@ -192,7 +191,7 @@ to define a client object. For example::
   <https://distributed.dask.org/en/stable/manage-computation.html>`__
   for more details.
 
-Please see the `Dask-CUDA <https://docs.rapids.ai/api/dask-cuda/stable/>`__
+Please see the :doc:`dask-cuda:index`
 documentation for more information about deploying GPU-aware clusters
 (including `best practices
 <https://docs.rapids.ai/api/dask-cuda/stable/examples/best-practices/>`__).