Use s3 for preprocessor cache location

.devcontainer/cuda12.9-conda/devcontainer.json

@@ -50,6 +50,8 @@
   "workspaceFolder": "/home/coder",
   "workspaceMount": "source=${localWorkspaceFolder},target=/home/coder/devcontainers,type=bind,consistency=consistent",
   "mounts": [
+    "source=/etc/timezone,target=/etc/timezone,type=bind,consistency=consistent",
+    "source=/etc/localtime,target=/etc/localtime,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../rmm,target=/home/coder/rmm,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../dask-cuda,target=/home/coder/dask-cuda,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../kvikio,target=/home/coder/kvikio,type=bind,consistency=consistent",

.devcontainer/cuda12.9-pip/devcontainer.json

@@ -38,6 +38,8 @@
   "workspaceFolder": "/home/coder",
   "workspaceMount": "source=${localWorkspaceFolder},target=/home/coder/devcontainers,type=bind,consistency=consistent",
   "mounts": [
+    "source=/etc/timezone,target=/etc/timezone,type=bind,consistency=consistent",
+    "source=/etc/localtime,target=/etc/localtime,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../rmm,target=/home/coder/rmm,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../dask-cuda,target=/home/coder/dask-cuda,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../kvikio,target=/home/coder/kvikio,type=bind,consistency=consistent",

.devcontainer/cuda13.0-conda/devcontainer.json

@@ -50,6 +50,8 @@
   "workspaceFolder": "/home/coder",
   "workspaceMount": "source=${localWorkspaceFolder},target=/home/coder/devcontainers,type=bind,consistency=consistent",
   "mounts": [
+    "source=/etc/timezone,target=/etc/timezone,type=bind,consistency=consistent",
+    "source=/etc/localtime,target=/etc/localtime,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../rmm,target=/home/coder/rmm,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../dask-cuda,target=/home/coder/dask-cuda,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../kvikio,target=/home/coder/kvikio,type=bind,consistency=consistent",

.devcontainer/cuda13.0-pip/devcontainer.json

@@ -38,6 +38,8 @@
   "workspaceFolder": "/home/coder",
   "workspaceMount": "source=${localWorkspaceFolder},target=/home/coder/devcontainers,type=bind,consistency=consistent",
   "mounts": [
+    "source=/etc/timezone,target=/etc/timezone,type=bind,consistency=consistent",
+    "source=/etc/localtime,target=/etc/localtime,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../rmm,target=/home/coder/rmm,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../dask-cuda,target=/home/coder/dask-cuda,type=bind,consistency=consistent",
     "source=${localWorkspaceFolder}/../kvikio,target=/home/coder/kvikio,type=bind,consistency=consistent",

.devcontainer/rapids.Dockerfile

@@ -54,6 +54,7 @@ ENV LIBCUDF_KERNEL_CACHE_PATH="/home/coder/cudf/cpp/build/${PYTHON_PACKAGE_MANAG
 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
 
 ###

features/src/utils/devcontainer-feature.json

@@ -1,7 +1,7 @@
 {
   "name": "devcontainer-utils",
   "id": "utils",
-  "version": "25.12.0",
+  "version": "25.12.1",
   "description": "A feature to install RAPIDS devcontainer utility scripts",
   "containerEnv": {
     "BASH_ENV": "/etc/bash.bash_env"

features/src/utils/opt/devcontainer/bin/sccache/dist/status.sh

@@ -7,13 +7,17 @@
 #
 # Boolean options:
 #  -h,--help      Print this text.
+#  --no-procs     Don't print the number of sccache processes
+#  --no-stats     Don't print the sccache stats
+#  --no-temps     Don't print the number of sccache tempfiles
 #
 # Options that require values:
 #  -c|--col-width <num>         Max column width in number of characters.
 #                               String columns wider than this will be truncated with "...".
 #                               (default: $COLUMNS)
 #  -f|--format (csv|tsv|json)   The `sccache --dist-status` output format.
-#                               (default: "json")
+#                               (default: "tsv")
+#  -w,--watch <num>             Watch status every <num> seconds (or 1s if <num> is unspecified).
 #
 
 _sccache_dist_status() {
@@ -26,18 +30,41 @@ _sccache_dist_status() {
     # shellcheck disable=SC1091
     . devcontainer-utils-debug-output 'devcontainer_utils_debug' 'sccache sccache-dist-status';
 
-    f="${f:-${format:-json}}";
-    c="${c:-${col_width:-${COLUMNS:-1000000000}}}";
+    if test ${#w[@]} -gt 0 && ! test -n "${w:+x}"; then
+        w="1";
+    fi
 
-    # Print current dist status to verify we're connected
-    sccache 2>/dev/null --dist-status \
-  | {
-        # Passthrough if the format is json
-        if test "$f" = json; then
-            cat - <(echo)
-        else
+    if ! test -n "${__SKIP_WATCH:+x}" && test -n "${w:+x}"; then
+        __SKIP_WATCH=1 watch -n "$w" devcontainer-utils-sccache-dist-status "${@}";
+    else
 
-            cat - | jq -r -f <(cat <<EOF
+        f="${f:-${format:-tsv}}";
+        c="${c:-${col_width:-${COLUMNS:-1000000000}}}";
+
+        if [[ "$f" != json ]] && ! test -n "${no_procs:+x}"; then
+            echo "sccache procs: $(pgrep sccache | wc -l)"
+        fi
+
+        if [[ "$f" != json ]] &&  ! test -n "${no_temps:+x}"; then
+            echo -n "preprocessed tempfiles: "
+            echo -n "$(ls -All /tmp/.sccache_temp/.tmp* 2>/dev/null | wc -l) "
+            echo " ($(du -ch /tmp/.sccache_temp/.tmp* 2>/dev/null | tail -n1 | cut -f1))"
+
+            echo -n "nvcc internal tempfiles: "
+            echo -n "$(ls -All /tmp/.sccache_temp/nvcc/*/* 2>/dev/null | wc -l)"
+            echo " ($(du -ch /tmp/.sccache_temp/nvcc/* 2>/dev/null | tail -n1 | cut -f1))"
+            echo
+        fi
+
+        # Print current dist status to verify we're connected
+        sccache 2>/dev/null --dist-status \
+      | {
+            # Passthrough if the format is json
+            if test "$f" = json; then
+                cat - <(echo)
+            else
+
+                cat - | jq -r -f <(cat <<EOF
   def truncate_val: (
     . as \$x
     | \$x | length as \$l
@@ -47,7 +74,7 @@ _sccache_dist_status() {
       end
   );
   def info_to_row: {
-    time: now | floor,
+    time: now | strflocaltime("%X"),
     type: (.type // "server"),
     id: .id,
     servers: (if .servers == null then "-" else (.servers | length) end),
@@ -57,36 +84,47 @@ _sccache_dist_status() {
     loading: .jobs.loading,
     pending: .jobs.pending,
     running: .jobs.running,
+    max: ((.max_job_age // 0) | tostring | . + "s"),
     accepted: .jobs.accepted,
     finished: .jobs.finished,
-    u_time: ((.u_time // 0) | tostring | . + "s")
+    seen: ((.u_time // 0) | tostring | . + "s"),
   };
 
   .SchedulerStatus as [\$x, \$y] | [
-    (\$y + { id: \$x, type: "scheduler", u_time: (\$y.servers // {} | map(.u_time) | min | . // "-" | tostring) }),
+    (\$y + { id: \$x, type: "scheduler", u_time: (\$y.servers // {} | map(.u_time) | min | . // "-" | tostring), max_job_age: (\$y.servers // {} | map(.u_time + .max_job_age) | max | . // "-" | tostring) }),
     (\$y.servers // [] | sort_by(.id)[])
   ]
   | map(info_to_row) as \$rows
   | (\$rows[0] | keys_unsorted) as \$cols
   | (\$rows | map(. as \$row | \$cols | map(\$row[.] | truncate_val))) as \$rows
   | (\$cols | map(truncate_val)), \$rows[] | @csv
 EOF
-)
-        fi
-    } \
-  | {
-        # Passthrough if the format is csv or json
-        # Otherwise, transform the csv into a tsv.
-        if test "$f" = tsv; then
-            if [[ "$(grep DISTRIB_RELEASE= /etc/lsb-release | cut -d= -f2)" > "20.04" ]]; then
-                cat - | sed 's/\"//g' | column -t -s, -R $(seq -s, 1 13)
+    )
+            fi
+        } \
+      | {
+            # Passthrough if the format is csv or json
+            # Otherwise, transform the csv into a tsv.
+            if test "$f" = tsv; then
+                if [[ "$(grep DISTRIB_RELEASE= /etc/lsb-release | cut -d= -f2)" > "20.04" ]]; then
+                    cat - | sed 's/\"//g' | column -t -s, -R $(seq -s, 1 14)
+                else
+                    cat - | sed 's/\"//g' | column -t -s,
+                fi
+            else
+                cat -
+            fi
+        }
+
+        if ! test -n "${no_stats:+x}"; then
+            echo
+            if test "$f" = json; then
+                sccache --show-stats --stats-format json
             else
-                cat - | sed 's/\"//g' | column -t -s,
+                sccache --show-stats
             fi
-        else
-            cat -
         fi
-    }
+    fi
 }
 
 _sccache_dist_status "$@" <&0;