diff --git a/.github/workflows/measure-disk-usage.yml b/.github/workflows/measure-disk-usage.yml
index aa2940073b01c..112886f68dbee 100644
--- a/.github/workflows/measure-disk-usage.yml
+++ b/.github/workflows/measure-disk-usage.yml
@@ -29,7 +29,7 @@ jobs:
         ddev config set repo core
     - name: Measure disk usage (uncompressed)
       run: | 
-        ddev size status  >> size-uncompressed.txt --to-dd-key ${{secrets.DD_API_KEY}}
+        ddev size status --to-dd-key ${{secrets.DD_API_KEY}} > size-uncompressed.txt 
         ddev size status  --format png,csv,markdown
         cat size-uncompressed.txt
         echo "# Size (uncompressed)" >> $GITHUB_STEP_SUMMARY
@@ -37,13 +37,14 @@ jobs:
   
     - name: Measure disk usage (compressed)
       run: |
-        ddev size status --compressed  > size-compressed.txt --to-dd-key ${{secrets.DD_API_KEY}}
+        ddev size status --compressed --to-dd-key ${{secrets.DD_API_KEY}} > size-compressed.txt 
         ddev size status --compressed  --format png,csv,markdown
         cat size-compressed.txt
         echo "# Size (compressed)" >> $GITHUB_STEP_SUMMARY
         cat compressed_status.md >> $GITHUB_STEP_SUMMARY
 
 
+
     - name: Measure disk usage differences from last commit (uncompressed)
       run: | 
         BEFORE=$(git rev-parse HEAD^)
@@ -52,7 +53,9 @@ jobs:
         ddev size diff $BEFORE $AFTER  --format png,csv,markdown
         cat diff-uncompressed.txt
         echo "# Size diff (uncompressed)" >> $GITHUB_STEP_SUMMARY
-        cat uncompressed_diff.md >> $GITHUB_STEP_SUMMARY
+        if [ -f uncompressed_diff.md ]; then
+            cat uncompressed_diff.md >> $GITHUB_STEP_SUMMARY
+        fi
 
     - name: Measure disk usage differences from last commit (compressed)
       run: | 
@@ -62,7 +65,9 @@ jobs:
         ddev size diff $BEFORE $AFTER --compressed  --format png,csv,markdown
         cat diff-compressed.txt
         echo "# Size diff (compressed)" >> $GITHUB_STEP_SUMMARY
-        cat compressed_diff.md >> $GITHUB_STEP_SUMMARY
+        if [ -f compressed_diff.md ]; then
+            cat compressed_diff.md >> $GITHUB_STEP_SUMMARY
+        fi
 
     - name: Upload file sizes (uncompressed)
       uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
@@ -83,14 +88,14 @@ jobs:
       with:
         name: uncompressed_diff.csv
         path: uncompressed_diff.csv
-        if-no-files-found: error     
+        if-no-files-found: warn
 
     - name: Upload file sizes diff (compressed)
       uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
       with:
         name: compressed_diff.csv
         path: compressed_diff.csv
-        if-no-files-found: error
+        if-no-files-found: warn
 
     - name: Upload status PNGs
       uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
@@ -104,5 +109,5 @@ jobs:
       with:
         name: diff-visuals
         path: size_diff_visualizations/
-        if-no-files-found: error
+        if-no-files-found: warn
     
diff --git a/.gitignore b/.gitignore
index b393c8bc81f4a..12b6b4cf0dc69 100644
--- a/.gitignore
+++ b/.gitignore
@@ -128,3 +128,12 @@ benchmark_*.svg
 
 ## Local overrides for ddev
 .ddev.toml
+
+## Size metrics
+size-uncompressed.txt
+size-compressed.txt
+*compressed_status.csv
+*compressed_status.md
+*compressed_status.png
+*compressed_status.json
+treemap*.png