diff --git a/dashboard/grafana/dashboards/dashboards/dashboards.yml b/dashboard/grafana/dashboards/dashboards/dashboards.yml
index 7435f09..8b1f27a 100644
--- a/dashboard/grafana/dashboards/dashboards/dashboards.yml
+++ b/dashboard/grafana/dashboards/dashboards/dashboards.yml
@@ -3,9 +3,9 @@ apiVersion: 1
 providers:
   - name: 'default'
     orgId: 1
-    folder: ''
+    folder: 'Codex'
     type: file
-    disableDeletion: false
+    disableDeletion: true
     updateIntervalSeconds: 10
     allowUiUpdates: true
     options:
diff --git a/dashboard/prometheus.yml b/dashboard/prometheus.yml
index a2da86b..68ab5a9 100644
--- a/dashboard/prometheus.yml
+++ b/dashboard/prometheus.yml
@@ -1,8 +1,8 @@
 # Prometheus configuration file
 
 global:
-  scrape_interval: 15s
-  evaluation_interval: 15s
+  scrape_interval: 1s
+  evaluation_interval: 1s
 
 scrape_configs:
   - job_name: 'prometheus'
diff --git a/experiments/k-node.sh b/experiments/k-node.sh
index af499e3..ab40114 100755
--- a/experiments/k-node.sh
+++ b/experiments/k-node.sh
@@ -11,7 +11,6 @@
 set -e -o pipefail
 
 SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
-
 source "${SCRIPT_DIR}/../src/clh"
 
 node_count="${1:-2}"
@@ -22,8 +21,15 @@ file_sizes=("$@")
 
 exp_start "k-node"
 
+echoerr "* Nodes: ${node_count}"
+echoerr "* Repetitions: ${repetitions}"
+echoerr "* File Sizes: ${file_sizes[*]}"
+echoerr "* Timing log: ${output_log}"
+
 # TODO: procmon management should be moved into
 #  experiment lifecycle management.
+# TODO: we should register this process with procmon
+#  so its also killed if something fails.
 trap pm_stop EXIT INT TERM
 pm_start
 
diff --git a/src/codex.bash b/src/codex.bash
index 572ea5e..1ce7da4 100644
--- a/src/codex.bash
+++ b/src/codex.bash
@@ -10,13 +10,14 @@ source "${LIB_SRC}/procmon.bash"
 
 # Codex binary
 if [ -z "${CODEX_BINARY}" ]; then
-  _cdx_binary="$(command -v codex)"
+  _cdx_binary="$(command -v codex)" || true
 else
   _cdx_binary="${CODEX_BINARY}"
 fi
 
 if [ ! -f "${_cdx_binary}" ]; then
-  echoerr "Error: no valid Codex binary found"
+  echoerr "Error: no valid Codex binary found."\
+ "Set CODEX_BINARY to point to a valid Codex binary."
   exit 1
 fi
 
@@ -188,8 +189,9 @@ cdx_destroy_node() {
 
 cdx_ensure_ready() {
   local node_index="$1" timeout=${2:-$_cdx_node_start_timeout} start="${SECONDS}"
+  echoerr "Waiting ${timeout} seconds for node ${node_index} to be ready."
   while true; do
-    if cdx_get_spr "$node_index"; then
+    if cdx_get_spr "$node_index" 2> /dev/null; then
       echoerr "Codex node $node_index is ready."
       return 0
     fi
@@ -264,7 +266,7 @@ cdx_download_file() {
 }
 
 cdx_download_file_async() {
-  pm_async cdx_download_file "$@"
+  pm_async cdx_download_file "$@" -%- "download"
 }
 
 cdx_upload_sha1() {
diff --git a/src/experiment.bash b/src/experiment.bash
index 94fdf75..1a959c4 100644
--- a/src/experiment.bash
+++ b/src/experiment.bash
@@ -44,6 +44,8 @@ exp_start() {
   cdx_add_defaultopts "--metrics"
 
   pm_register_callback "codex" _codex_target_changed
+
+  echoerr "[exp] Experiment ID is ${experiment_id}"
 }
 
 _codex_target_changed() {