managarten/scripts/mac-mini/memory-baseline.sh
Till JS 36c52783e3 fix(infra): use DOCKER_CMD variable in memory-baseline.sh
Mac Mini has docker at /usr/local/bin/docker, not in PATH.
Use same DOCKER_CMD pattern as build-app.sh.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-29 15:12:44 +02:00

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#!/bin/bash
# Memory Baseline Script
# Run on the Mac Mini to measure actual container memory usage
# Usage: ./scripts/mac-mini/memory-baseline.sh [--watch]
set -euo pipefail
DOCKER="${DOCKER_CMD:-/usr/local/bin/docker}"
BOLD="\033[1m"
GREEN="\033[0;32m"
YELLOW="\033[0;33m"
RED="\033[0;31m"
CYAN="\033[0;36m"
RESET="\033[0m"
echo -e "${BOLD}╔══════════════════════════════════════════════════╗${RESET}"
echo -e "${BOLD}║ Mana Docker Memory Baseline Report ║${RESET}"
echo -e "${BOLD}╚══════════════════════════════════════════════════╝${RESET}"
echo ""
echo -e "${CYAN}Timestamp:${RESET} $(date '+%Y-%m-%d %H:%M:%S')"
echo ""
# Get Colima VM memory
COLIMA_MEM=$(colima list -j 2>/dev/null | python3 -c "import sys,json; d=json.load(sys.stdin); print(d[0].get('memory',0))" 2>/dev/null || echo "unknown")
if [ "$COLIMA_MEM" != "unknown" ] && [ "$COLIMA_MEM" -gt 0 ] 2>/dev/null; then
COLIMA_MEM_GB=$(echo "scale=1; $COLIMA_MEM / 1073741824" | bc 2>/dev/null || echo "$COLIMA_MEM")
echo -e "${CYAN}Colima VM Memory:${RESET} ${COLIMA_MEM_GB} GB"
else
echo -e "${CYAN}Colima VM Memory:${RESET} (run 'colima list' to check)"
fi
echo ""
# Docker stats snapshot (no-stream = one-shot)
echo -e "${BOLD}── Per-Container Memory Usage ──${RESET}"
echo ""
printf "${BOLD}%-40s %10s %10s %10s${RESET}\n" "CONTAINER" "MEM USAGE" "MEM LIMIT" "MEM %"
echo "────────────────────────────────────────────────────────────────────────"
# Collect stats and sort by memory usage (descending)
$DOCKER stats --no-stream --format "{{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}" | \
sort -t$'\t' -k2 -h -r | \
while IFS=$'\t' read -r name usage perc; do
# Extract just the usage part (before " / ")
mem_used=$(echo "$usage" | cut -d'/' -f1 | xargs)
mem_limit=$(echo "$usage" | cut -d'/' -f2 | xargs)
perc_num=$(echo "$perc" | tr -d '%')
# Color based on percentage
if (( $(echo "$perc_num > 80" | bc -l 2>/dev/null || echo 0) )); then
COLOR=$RED
elif (( $(echo "$perc_num > 50" | bc -l 2>/dev/null || echo 0) )); then
COLOR=$YELLOW
else
COLOR=$GREEN
fi
printf "%-40s %10s %10s ${COLOR}%10s${RESET}\n" "$name" "$mem_used" "$mem_limit" "$perc"
done
echo ""
echo -e "${BOLD}── Category Summary ──${RESET}"
echo ""
# Category totals using $DOCKER stats
get_category_mem() {
local pattern="$1"
$DOCKER stats --no-stream --format "{{.Name}}\t{{.MemUsage}}" | \
grep "$pattern" | \
awk -F'\t' '{
split($2, a, "/");
gsub(/[[:space:]]/, "", a[1]);
val = a[1];
if (index(val, "GiB") > 0) { gsub(/GiB/, "", val); total += val * 1024; }
else if (index(val, "MiB") > 0) { gsub(/MiB/, "", val); total += val; }
else if (index(val, "KiB") > 0) { gsub(/KiB/, "", val); total += val / 1024; }
} END { printf "%.0f", total }'
}
infra=$(get_category_mem "mana-infra")
core=$(get_category_mem "mana-core\|mana-auth\|mana-credits\|mana-user\|mana-subscriptions\|mana-analytics\|mana-api-gateway\|mana-crawler\|mana-service")
matrix=$(get_category_mem "mana-matrix")
apps=$(get_category_mem "mana-app")
monitoring=$(get_category_mem "mana-mon")
games=$(get_category_mem "mana-game")
auto=$(get_category_mem "mana-auto")
total=$((infra + core + matrix + apps + monitoring + games + auto))
printf "%-25s %8s MiB\n" "Infrastructure:" "$infra"
printf "%-25s %8s MiB\n" "Core Services:" "$core"
printf "%-25s %8s MiB\n" "Matrix Stack:" "$matrix"
printf "%-25s %8s MiB\n" "Web Apps:" "$apps"
printf "%-25s %8s MiB\n" "Monitoring:" "$monitoring"
printf "%-25s %8s MiB\n" "Games:" "$games"
printf "%-25s %8s MiB\n" "Automation:" "$auto"
echo "─────────────────────────────────────"
printf "${BOLD}%-25s %8s MiB (%.1f GiB)${RESET}\n" "TOTAL:" "$total" "$(echo "scale=1; $total / 1024" | bc)"
echo ""
echo -e "${BOLD}── Container Count ──${RESET}"
echo ""
running=$($DOCKER ps -q | wc -l | xargs)
stopped=$($DOCKER ps -aq --filter "status=exited" | wc -l | xargs)
echo "Running: $running | Stopped: $stopped | Total: $((running + stopped))"
echo ""
echo -e "${BOLD}── Recommendations ──${RESET}"
echo ""
if [ "$total" -gt 10240 ]; then
echo -e "${RED}WARNING: Total usage exceeds 10 GiB — builds will struggle${RESET}"
elif [ "$total" -gt 8192 ]; then
echo -e "${YELLOW}NOTICE: Usage above 8 GiB — builds may need monitoring stopped${RESET}"
else
echo -e "${GREEN}OK: Usage under 8 GiB — sufficient headroom for builds${RESET}"
fi
# Watch mode
if [ "${1:-}" = "--watch" ]; then
echo ""
echo -e "${CYAN}Entering watch mode (Ctrl+C to exit)...${RESET}"
echo ""
$DOCKER stats --format "table {{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}\t{{.CPUPerc}}"
fi