diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 9613b3d3..305a8990 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -35,6 +35,7 @@ ENV HISTFILE="/home/coder/.cache/._bash_history"
 ENV AWS_ROLE_ARN="arn:aws:iam::279114543810:role/nv-gha-token-sccache-devs"
 ENV SCCACHE_REGION="us-east-2"
 ENV SCCACHE_BUCKET="rapids-sccache-devs"
+ENV SCCACHE_S3_USE_PREPROCESSOR_CACHE_MODE=true
 ENV SCCACHE_IDLE_TIMEOUT=0
 
 ###
diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index b8f47c64..5052ef80 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -39,8 +39,10 @@ jobs:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
       date: ${{ inputs.date }}
+      node_type: cpu8
       script: ci/build_cpp.sh
       sha: ${{ inputs.sha }}
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   docs-build:
     if: github.ref_type == 'branch'
     needs: conda-cpp-build
@@ -72,11 +74,13 @@ jobs:
       branch: ${{ inputs.branch }}
       sha: ${{ inputs.sha }}
       date: ${{ inputs.date }}
+      node_type: cpu8
       script: ci/build_wheel_libucxx.sh
       # build for every combination of arch and CUDA version, but only for the latest Python
       matrix_filter: group_by([.ARCH, (.CUDA_VER|split(".")|map(tonumber)|.[0])]) | map(max_by(.PY_VER|split(".")|map(tonumber)))
       package-name: libucxx
       package-type: cpp
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   wheel-publish-libucxx:
     needs: wheel-build-libucxx
     secrets: inherit
@@ -97,9 +101,11 @@ jobs:
       branch: ${{ inputs.branch }}
       sha: ${{ inputs.sha }}
       date: ${{ inputs.date }}
+      node_type: cpu8
       script: ci/build_wheel_ucxx.sh
       package-name: ucxx
       package-type: python
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   wheel-publish-ucxx:
     needs: wheel-build-ucxx
     secrets: inherit
@@ -119,9 +125,11 @@ jobs:
       branch: ${{ inputs.branch }}
       sha: ${{ inputs.sha }}
       date: ${{ inputs.date }}
+      node_type: cpu8
       script: ci/build_wheel_distributed_ucxx.sh
       package-name: distributed_ucxx
       package-type: python
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   wheel-publish-distributed-ucxx:
     needs: [wheel-build-ucxx, wheel-build-distributed-ucxx]
     secrets: inherit
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index f8ed2498..434a3900 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -85,7 +85,9 @@ jobs:
     uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-build.yaml@release/25.12
     with:
       build_type: pull-request
+      node_type: cpu8
       script: ci/build_cpp.sh
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   docs-build:
     needs: conda-cpp-build
     secrets: inherit
@@ -105,6 +107,7 @@ jobs:
       build_type: pull-request
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
       script: ci/test_cpp.sh
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   conda-python-tests:
     needs: [conda-cpp-build, changed-files]
     secrets: inherit
@@ -114,6 +117,7 @@ jobs:
       build_type: pull-request
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
       script: ci/test_python.sh
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   conda-python-distributed-tests:
     needs: [conda-cpp-build, changed-files]
     secrets: inherit
@@ -123,26 +127,31 @@ jobs:
       build_type: pull-request
       script: "ci/test_python_distributed.sh"
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   wheel-build-libucxx:
     needs: checks
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/25.12
     with:
       build_type: pull-request
+      node_type: cpu8
       script: ci/build_wheel_libucxx.sh
       # build for every combination of arch and CUDA version, but only for the latest Python
       matrix_filter: group_by([.ARCH, (.CUDA_VER|split(".")|map(tonumber)|.[0])]) | map(max_by(.PY_VER|split(".")|map(tonumber)))
       package-name: libucxx
       package-type: cpp
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   wheel-build-ucxx:
     needs: wheel-build-libucxx
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/25.12
     with:
       build_type: pull-request
+      node_type: cpu8
       script: ci/build_wheel_ucxx.sh
       package-name: ucxx
       package-type: python
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   wheel-tests-ucxx:
     needs: [wheel-build-ucxx, changed-files]
     secrets: inherit
@@ -152,15 +161,18 @@ jobs:
       build_type: pull-request
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
       script: ci/test_wheel_ucxx.sh
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   wheel-build-distributed-ucxx:
     needs: checks
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@release/25.12
     with:
       build_type: pull-request
+      node_type: cpu8
       script: ci/build_wheel_distributed_ucxx.sh
       package-name: distributed_ucxx
       package-type: python
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   wheel-tests-distributed-ucxx:
     needs: [wheel-build-ucxx, wheel-build-distributed-ucxx, changed-files]
     secrets: inherit
@@ -170,6 +182,7 @@ jobs:
       build_type: pull-request
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
       script: ci/test_wheel_distributed_ucxx.sh
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   devcontainer:
     secrets: inherit
     needs: [checks, telemetry-setup]
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 2ce941ff..b1165654 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -33,6 +33,7 @@ jobs:
       script: ci/test_cpp.sh
       sha: ${{ inputs.sha }}
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   conda-python-tests:
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@release/25.12
@@ -43,6 +44,7 @@ jobs:
       script: ci/test_python.sh
       sha: ${{ inputs.sha }}
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   conda-python-distributed-tests:
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@release/25.12
@@ -53,6 +55,7 @@ jobs:
       date: ${{ inputs.date }}
       sha: ${{ inputs.sha }}
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   wheel-tests-ucxx:
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@release/25.12
@@ -63,6 +66,7 @@ jobs:
       sha: ${{ inputs.sha }}
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
       script: ci/test_wheel_ucxx.sh
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
   wheel-tests-distributed-ucxx:
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@release/25.12
@@ -73,3 +77,4 @@ jobs:
       sha: ${{ inputs.sha }}
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
       script: ci/test_wheel_distributed_ucxx.sh
+      sccache-dist-token-secret-name: GIST_REPO_READ_ORG_GITHUB_TOKEN
diff --git a/ci/build_cpp.sh b/ci/build_cpp.sh
index 7ae85467..46a95aba 100755
--- a/ci/build_cpp.sh
+++ b/ci/build_cpp.sh
@@ -6,7 +6,6 @@
 set -euo pipefail
 
 source rapids-configure-sccache
-
 source rapids-date-string
 
 export CMAKE_GENERATOR=Ninja
@@ -15,7 +14,7 @@ rapids-print-env
 
 rapids-logger "Begin C++ and Python builds"
 
-sccache --zero-stats
+sccache --stop-server 2>/dev/null || true
 
 RAPIDS_PACKAGE_VERSION=$(rapids-generate-version)
 export RAPIDS_PACKAGE_VERSION
@@ -31,6 +30,7 @@ rattler-build build --recipe conda/recipes/ucxx \
                     "${RATTLER_CHANNELS[@]}"
 
 sccache --show-adv-stats
+sccache --stop-server >/dev/null 2>&1 || true
 
 # remove build_cache directory
 rm -rf "$RAPIDS_CONDA_BLD_OUTPUT_DIR"/build_cache
diff --git a/ci/build_wheel.sh b/ci/build_wheel.sh
index cfb56563..4e5cb93a 100755
--- a/ci/build_wheel.sh
+++ b/ci/build_wheel.sh
@@ -11,11 +11,14 @@ source rapids-configure-sccache
 source rapids-date-string
 source rapids-init-pip
 
+export SCCACHE_S3_PREPROCESSOR_CACHE_KEY_PREFIX="${package_name}/${RAPIDS_CONDA_ARCH}/cuda${RAPIDS_CUDA_VERSION%%.*}/wheel/preprocessor-cache"
+export SCCACHE_S3_USE_PREPROCESSOR_CACHE_MODE=true
+
 rapids-generate-version > ./VERSION
 
 cd "${package_dir}"
 
-sccache --zero-stats
+sccache --stop-server 2>/dev/null || true
 
 rapids-logger "Building '${package_name}' wheel"
 rapids-pip-retry wheel \
@@ -26,3 +29,4 @@ rapids-pip-retry wheel \
     .
 
 sccache --show-adv-stats
+sccache --stop-server >/dev/null 2>&1 || true
diff --git a/cmake/rapids_config.cmake b/cmake/rapids_config.cmake
index f2b99666..605b46da 100644
--- a/cmake/rapids_config.cmake
+++ b/cmake/rapids_config.cmake
@@ -35,3 +35,6 @@ if(NOT rapids-cmake-branch)
   set(rapids-cmake-branch "${_rapids_branch}")
 endif()
 include("${CMAKE_CURRENT_LIST_DIR}/RAPIDS.cmake")
+
+# Don't use sccache-dist for CMake's compiler tests
+set(ENV{SCCACHE_NO_DIST_COMPILE} "1")
diff --git a/conda/recipes/ucxx/recipe.yaml b/conda/recipes/ucxx/recipe.yaml
index 1b77d562..295bef97 100644
--- a/conda/recipes/ucxx/recipe.yaml
+++ b/conda/recipes/ucxx/recipe.yaml
@@ -35,18 +35,32 @@ cache:
         - AWS_ACCESS_KEY_ID
         - AWS_SECRET_ACCESS_KEY
         - AWS_SESSION_TOKEN
+        - SCCACHE_DIST_AUTH_TOKEN
       env:
         CMAKE_C_COMPILER_LAUNCHER: ${{ env.get("CMAKE_C_COMPILER_LAUNCHER") }}
         CMAKE_CUDA_COMPILER_LAUNCHER: ${{ env.get("CMAKE_CUDA_COMPILER_LAUNCHER") }}
         CMAKE_CXX_COMPILER_LAUNCHER: ${{ env.get("CMAKE_CXX_COMPILER_LAUNCHER") }}
         CMAKE_GENERATOR: ${{ env.get("CMAKE_GENERATOR") }}
-        PARALLEL_LEVEL: ${{ env.get("PARALLEL_LEVEL") }}
-        SCCACHE_BUCKET: ${{ env.get("SCCACHE_BUCKET") }}
-        SCCACHE_IDLE_TIMEOUT: ${{ env.get("SCCACHE_IDLE_TIMEOUT") }}
-        SCCACHE_REGION: ${{ env.get("SCCACHE_REGION") }}
-        SCCACHE_S3_USE_SSL: ${{ env.get("SCCACHE_S3_USE_SSL") }}
-        SCCACHE_S3_NO_CREDENTIALS: ${{ env.get("SCCACHE_S3_NO_CREDENTIALS") }}
+        NVCC_APPEND_FLAGS: ${{ env.get("NVCC_APPEND_FLAGS", default="") }}
+        PARALLEL_LEVEL: ${{ env.get("PARALLEL_LEVEL", default="8") }}
+        RAPIDS_ARTIFACTS_DIR: ${{ env.get("RAPIDS_ARTIFACTS_DIR", default="") }}
+        SCCACHE_BUCKET: ${{ env.get("SCCACHE_BUCKET", default="") }}
+        SCCACHE_DIST_AUTH_TYPE: ${{ env.get("SCCACHE_DIST_AUTH_TYPE", default="token") }}
+        SCCACHE_DIST_FALLBACK_TO_LOCAL_COMPILE: ${{ env.get("SCCACHE_DIST_FALLBACK_TO_LOCAL_COMPILE", default="false") }}
+        SCCACHE_DIST_MAX_RETRIES: ${{ env.get("SCCACHE_DIST_MAX_RETRIES", default="inf") }}
+        SCCACHE_DIST_REQUEST_TIMEOUT: ${{ env.get("SCCACHE_DIST_REQUEST_TIMEOUT", default="7140") }}
+        SCCACHE_DIST_SCHEDULER_URL: ${{ env.get("SCCACHE_DIST_SCHEDULER_URL", default="") }}
+        SCCACHE_ERROR_LOG: ${{ env.get("SCCACHE_ERROR_LOG", default="/tmp/sccache.log") }}
+        SCCACHE_IDLE_TIMEOUT: ${{ env.get("SCCACHE_IDLE_TIMEOUT", default="0") }}
+        SCCACHE_NO_CACHE: ${{ env.get("SCCACHE_NO_CACHE", default="") }}
+        SCCACHE_RECACHE: ${{ env.get("SCCACHE_RECACHE", default="") }}
+        SCCACHE_REGION: ${{ env.get("SCCACHE_REGION", default="") }}
         SCCACHE_S3_KEY_PREFIX: libucxx/${{ env.get("RAPIDS_CONDA_ARCH") }}/cuda${{ cuda_major }}
+        SCCACHE_S3_NO_CREDENTIALS: ${{ env.get("SCCACHE_S3_NO_CREDENTIALS", default="false") }}
+        SCCACHE_S3_PREPROCESSOR_CACHE_KEY_PREFIX: libucxx/${{ env.get("RAPIDS_CONDA_ARCH") }}/cuda${{ cuda_major }}/conda/preprocessor-cache
+        SCCACHE_S3_USE_PREPROCESSOR_CACHE_MODE: ${{ env.get("SCCACHE_S3_USE_PREPROCESSOR_CACHE_MODE", default="true") }}
+        SCCACHE_S3_USE_SSL: ${{ env.get("SCCACHE_S3_USE_SSL", default="true") }}
+        SCCACHE_SERVER_LOG: ${{ env.get("SCCACHE_SERVER_LOG", default="sccache=debug") }}
 
   requirements:
     build:
@@ -232,13 +246,26 @@ outputs:
           CMAKE_CUDA_COMPILER_LAUNCHER: ${{ env.get("CMAKE_CUDA_COMPILER_LAUNCHER") }}
           CMAKE_CXX_COMPILER_LAUNCHER: ${{ env.get("CMAKE_CXX_COMPILER_LAUNCHER") }}
           CMAKE_GENERATOR: ${{ env.get("CMAKE_GENERATOR") }}
-          PARALLEL_LEVEL: ${{ env.get("PARALLEL_LEVEL") }}
-          SCCACHE_BUCKET: ${{ env.get("SCCACHE_BUCKET") }}
-          SCCACHE_IDLE_TIMEOUT: ${{ env.get("SCCACHE_IDLE_TIMEOUT") }}
-          SCCACHE_REGION: ${{ env.get("SCCACHE_REGION") }}
-          SCCACHE_S3_USE_SSL: ${{ env.get("SCCACHE_S3_USE_SSL") }}
-          SCCACHE_S3_NO_CREDENTIALS: ${{ env.get("SCCACHE_S3_NO_CREDENTIALS") }}
+          NVCC_APPEND_FLAGS: ${{ env.get("NVCC_APPEND_FLAGS", default="") }}
+          PARALLEL_LEVEL: ${{ env.get("PARALLEL_LEVEL", default="8") }}
+          RAPIDS_ARTIFACTS_DIR: ${{ env.get("RAPIDS_ARTIFACTS_DIR", default="") }}
+          SCCACHE_BUCKET: ${{ env.get("SCCACHE_BUCKET", default="") }}
+          SCCACHE_DIST_AUTH_TYPE: ${{ env.get("SCCACHE_DIST_AUTH_TYPE", default="token") }}
+          SCCACHE_DIST_FALLBACK_TO_LOCAL_COMPILE: ${{ env.get("SCCACHE_DIST_FALLBACK_TO_LOCAL_COMPILE", default="false") }}
+          SCCACHE_DIST_MAX_RETRIES: ${{ env.get("SCCACHE_DIST_MAX_RETRIES", default="inf") }}
+          SCCACHE_DIST_REQUEST_TIMEOUT: ${{ env.get("SCCACHE_DIST_REQUEST_TIMEOUT", default="7140") }}
+          SCCACHE_DIST_SCHEDULER_URL: ${{ env.get("SCCACHE_DIST_SCHEDULER_URL", default="") }}
+          SCCACHE_ERROR_LOG: ${{ env.get("SCCACHE_ERROR_LOG", default="/tmp/sccache.log") }}
+          SCCACHE_IDLE_TIMEOUT: ${{ env.get("SCCACHE_IDLE_TIMEOUT", default="0") }}
+          SCCACHE_NO_CACHE: ${{ env.get("SCCACHE_NO_CACHE", default="") }}
+          SCCACHE_RECACHE: ${{ env.get("SCCACHE_RECACHE", default="") }}
+          SCCACHE_REGION: ${{ env.get("SCCACHE_REGION", default="") }}
           SCCACHE_S3_KEY_PREFIX: ucxx/${{ env.get("RAPIDS_CONDA_ARCH") }}/cuda${{ cuda_major }}
+          SCCACHE_S3_NO_CREDENTIALS: ${{ env.get("SCCACHE_S3_NO_CREDENTIALS", default="false") }}
+          SCCACHE_S3_PREPROCESSOR_CACHE_KEY_PREFIX: ucxx/${{ env.get("RAPIDS_CONDA_ARCH") }}/cuda${{ cuda_major }}/conda/preprocessor-cache
+          SCCACHE_S3_USE_PREPROCESSOR_CACHE_MODE: ${{ env.get("SCCACHE_S3_USE_PREPROCESSOR_CACHE_MODE", default="true") }}
+          SCCACHE_S3_USE_SSL: ${{ env.get("SCCACHE_S3_USE_SSL", default="true") }}
+          SCCACHE_SERVER_LOG: ${{ env.get("SCCACHE_SERVER_LOG", default="sccache=debug") }}
     requirements:
       build:
         - cmake ${{ cmake_version }}
@@ -333,13 +360,26 @@ outputs:
           CMAKE_CUDA_COMPILER_LAUNCHER: ${{ env.get("CMAKE_CUDA_COMPILER_LAUNCHER") }}
           CMAKE_CXX_COMPILER_LAUNCHER: ${{ env.get("CMAKE_CXX_COMPILER_LAUNCHER") }}
           CMAKE_GENERATOR: ${{ env.get("CMAKE_GENERATOR") }}
-          PARALLEL_LEVEL: ${{ env.get("PARALLEL_LEVEL") }}
-          SCCACHE_BUCKET: ${{ env.get("SCCACHE_BUCKET") }}
-          SCCACHE_IDLE_TIMEOUT: ${{ env.get("SCCACHE_IDLE_TIMEOUT") }}
-          SCCACHE_REGION: ${{ env.get("SCCACHE_REGION") }}
-          SCCACHE_S3_USE_SSL: ${{ env.get("SCCACHE_S3_USE_SSL") }}
-          SCCACHE_S3_NO_CREDENTIALS: ${{ env.get("SCCACHE_S3_NO_CREDENTIALS") }}
+          NVCC_APPEND_FLAGS: ${{ env.get("NVCC_APPEND_FLAGS", default="") }}
+          PARALLEL_LEVEL: ${{ env.get("PARALLEL_LEVEL", default="8") }}
+          RAPIDS_ARTIFACTS_DIR: ${{ env.get("RAPIDS_ARTIFACTS_DIR", default="") }}
+          SCCACHE_BUCKET: ${{ env.get("SCCACHE_BUCKET", default="") }}
+          SCCACHE_DIST_AUTH_TYPE: ${{ env.get("SCCACHE_DIST_AUTH_TYPE", default="token") }}
+          SCCACHE_DIST_FALLBACK_TO_LOCAL_COMPILE: ${{ env.get("SCCACHE_DIST_FALLBACK_TO_LOCAL_COMPILE", default="false") }}
+          SCCACHE_DIST_MAX_RETRIES: ${{ env.get("SCCACHE_DIST_MAX_RETRIES", default="inf") }}
+          SCCACHE_DIST_REQUEST_TIMEOUT: ${{ env.get("SCCACHE_DIST_REQUEST_TIMEOUT", default="7140") }}
+          SCCACHE_DIST_SCHEDULER_URL: ${{ env.get("SCCACHE_DIST_SCHEDULER_URL", default="") }}
+          SCCACHE_ERROR_LOG: ${{ env.get("SCCACHE_ERROR_LOG", default="/tmp/sccache.log") }}
+          SCCACHE_IDLE_TIMEOUT: ${{ env.get("SCCACHE_IDLE_TIMEOUT", default="0") }}
+          SCCACHE_NO_CACHE: ${{ env.get("SCCACHE_NO_CACHE", default="") }}
+          SCCACHE_RECACHE: ${{ env.get("SCCACHE_RECACHE", default="") }}
+          SCCACHE_REGION: ${{ env.get("SCCACHE_REGION", default="") }}
           SCCACHE_S3_KEY_PREFIX: ucxx-tests/${{ env.get("RAPIDS_CONDA_ARCH") }}/cuda${{ cuda_major }}
+          SCCACHE_S3_NO_CREDENTIALS: ${{ env.get("SCCACHE_S3_NO_CREDENTIALS", default="false") }}
+          SCCACHE_S3_PREPROCESSOR_CACHE_KEY_PREFIX: ucxx-tests/${{ env.get("RAPIDS_CONDA_ARCH") }}/cuda${{ cuda_major }}/conda/preprocessor-cache
+          SCCACHE_S3_USE_PREPROCESSOR_CACHE_MODE: ${{ env.get("SCCACHE_S3_USE_PREPROCESSOR_CACHE_MODE", default="true") }}
+          SCCACHE_S3_USE_SSL: ${{ env.get("SCCACHE_S3_USE_SSL", default="true") }}
+          SCCACHE_SERVER_LOG: ${{ env.get("SCCACHE_SERVER_LOG", default="sccache=debug") }}
     requirements:
       build:
         - cmake ${{ cmake_version }}