diff --git a/.github/workflows/build-thirdparty.yml b/.github/workflows/build-thirdparty.yml
index 575e0e908b394f..73d2be34a32750 100644
--- a/.github/workflows/build-thirdparty.yml
+++ b/.github/workflows/build-thirdparty.yml
@@ -65,16 +65,17 @@ jobs:
         run: |
           git clone -b v7 https://github.com/easimon/maximize-build-space
 
-      - name: Maximize build space
-        uses: ./maximize-build-space
-        with:
-            root-reserve-mb: 4096
-            swap-size-mb: 8192
-            remove-dotnet: 'true'
-            remove-android: 'true'
-            remove-haskell: 'true'
-            remove-codeql: 'true'
-            remove-docker-images: 'true'
+      #- name: Maximize build space
+      #  uses: ./maximize-build-space
+      #  with:
+      #      root-reserve-mb: 4096
+      #      temp-reserve-mb: 4096
+      #      swap-size-mb: 8192
+      #      remove-dotnet: 'true'
+      #      remove-android: 'true'
+      #      remove-haskell: 'true'
+      #      remove-codeql: 'true'
+      #      remove-docker-images: 'true'
 
       - name: Checkout ${{ github.ref }}
         uses: actions/checkout@v4
@@ -135,8 +136,18 @@ jobs:
           export CMAKE_POLICY_VERSION_MINIMUM=3.10
           export CUSTOM_CMAKE="/usr/local/bin/cmake"
 
+          #export TMPDIR=/home/runner/work/doris/doris/.tmp
+          #export TMP=$TMPDIR
+          #export TEMP=$TMPDIR
+          #mkdir -p $TMPDIR
+
+          df -h
+          echo $TMPDIR
+          echo $RUNNER_TEMP
+
           cd thirdparty
-          ./build-thirdparty.sh -j "$(nproc)"
+          #./build-thirdparty.sh -j "$(nproc)"
+          ./build-thirdparty.sh -j 2
 
   build_macos:
     name: Build Third Party Libraries (macOS)
@@ -195,7 +206,12 @@ jobs:
           export CMAKE_POLICY_VERSION_MINIMUM=3.10
           export CUSTOM_CMAKE="/usr/local/bin/cmake"
 
+          df -h
+          echo $TMPDIR
+          echo $RUNNER_TEMP
+
           cd thirdparty
+          #./build-thirdparty.sh -j "$(nproc)"
           ./build-thirdparty.sh -j "$(nproc)"
 
   build_macos_arm64:
@@ -255,6 +271,11 @@ jobs:
           export CMAKE_POLICY_VERSION_MINIMUM=3.10
           export CUSTOM_CMAKE="/usr/local/bin/cmake"
 
+          df -h
+          echo $TMPDIR
+          echo $RUNNER_TEMP
+
           cd thirdparty
-          ./build-thirdparty.sh -j "$(nproc)"
+          #./build-thirdparty.sh -j "$(nproc)"
+          ./build-thirdparty.sh -j 2
 
diff --git a/thirdparty/build-thirdparty.sh b/thirdparty/build-thirdparty.sh
index 330a5bc51a96d3..fc413fbb89624e 100755
--- a/thirdparty/build-thirdparty.sh
+++ b/thirdparty/build-thirdparty.sh
@@ -2028,6 +2028,21 @@ build_paimon_cpp() {
     # These libraries are built but not installed by default
     echo "Installing paimon-cpp internal dependencies..."
 
+    # Install paimon-cpp Arrow deps used by paimon parquet static libs.
+    # Keep them in an isolated directory to avoid clashing with Doris Arrow.
+    local paimon_deps_dir="${TP_INSTALL_DIR}/paimon-cpp/lib64/paimon_deps"
+    mkdir -p "${paimon_deps_dir}"
+    for paimon_arrow_dep in \
+        libarrow.a \
+        libarrow_filesystem.a \
+        libarrow_dataset.a \
+        libarrow_acero.a \
+        libparquet.a; do
+        if [ -f "arrow_ep-install/lib/${paimon_arrow_dep}" ]; then
+            cp -v "arrow_ep-install/lib/${paimon_arrow_dep}" "${paimon_deps_dir}/${paimon_arrow_dep}"
+        fi
+    done
+
     # Install roaring_bitmap, renamed to avoid conflict with Doris's croaringbitmap
     if [ -f "release/libroaring_bitmap.a" ]; then
         cp -v "release/libroaring_bitmap.a" "${TP_INSTALL_DIR}/lib64/libroaring_bitmap_paimon.a"
@@ -2259,6 +2274,9 @@ for package in "${packages[@]}"; do
         ${command}
         cd "${TP_DIR}"
         cleanup_package_source "${package}"
+        echo "debug after clean: ${package}"
+        df -h
+        du -sh "${TP_DIR}"
     fi
 done