190 lines
8.1 KiB
Bash
190 lines
8.1 KiB
Bash
#!/usr/bin/env bash
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# ════════════════════════════════════════════════════════════════
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# 国内域名机 · 动态调优 · tune-from-env.sh
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# Sovereign: TCS-0002∞ · ICE-GL∞ · 国作登字-2026-A-00037559
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# 守护: 铸渊 · ICE-GL-ZY001
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# ════════════════════════════════════════════════════════════════
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#
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# 服务器: GH-CVM-DOMAIN-PROD-01 / ZY-SVR-CN01
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#
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# 读 detect-env.sh 写出的 server-env.json, 依据 size_tier 决档,
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# 写出 /data/guanghulab/.env.tune 让 bootstrap.sh source 用.
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#
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# 档位策略 (因果链 cc-003 · 动态适配):
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# tiny <4G : 2C2G 实际档. 单进程 portal, nginx worker=512,
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# 关 LFS / 关 forgejo runner / 关 docker compose 上层服务,
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# systemd MemoryHigh 严格收紧
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# small 4-6G : 4C4G 续费档. portal 2 进程, nginx worker=1024
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# medium 6-12G: 4C8G 异变档. portal 4 进程, runner 可开
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# large 12-24G: 不应该出现在域名机, 但兼容
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# xlarge >=24G: 同上, 兼容
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#
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# 输出:
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# 1. /data/guanghulab/.env.tune — bootstrap source 用
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# 2. /opt/guanghulab/_logs/tune-decision-*.json — 决策回执
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#
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# ⚠️ 当前 .env.tune 真实作用域:
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# bootstrap.sh source 这个文件后, 当前**真正影响行为的字段**:
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# - PORTAL_INSTANCES → pm2 起 portal 时的 instances 数
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# - NGINX_WORKER_CONN → 渲染 nginx/guanghulab.conf 时的 worker_connections
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# - FORGEJO_ENABLED → bootstrap 是否在 /data/guanghulab/forgejo/ 起 forgejo
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# (PR-6 才真正用, 这里只是预留)
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# - LFS_ENABLED → 是否在 nginx 里开 client_max_body_size 大上限
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# (PR-6 才真正用)
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# - SWAP_GB → bootstrap 是否要建/扩 swap 文件
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# 其他字段是档位决策的快照, 落档便于霜砚追溯.
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# ════════════════════════════════════════════════════════════════
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set -euo pipefail
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ENV_FILE="${ENV_FILE:-/opt/guanghulab/_logs/server-env.json}"
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DATA_ROOT="${DATA_ROOT:-/data/guanghulab}"
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DEPLOY_ROOT="${DEPLOY_ROOT:-/opt/guanghulab}"
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if [ ! -f "$ENV_FILE" ]; then
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echo "❌ [tune] 找不到 $ENV_FILE, 请先跑 detect-env.sh" >&2
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exit 1
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fi
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if ! command -v jq >/dev/null 2>&1; then
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echo "❌ [tune] 需要 jq (apt-get install -y jq)" >&2
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exit 1
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fi
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SIZE_TIER="$(jq -r '.compute.size_tier' "$ENV_FILE")"
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MEM_MB="$(jq -r '.compute.memory_total_mb' "$ENV_FILE")"
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SWAP_MB="$(jq -r '.compute.swap_total_mb' "$ENV_FILE")"
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CPU="$(jq -r '.compute.cpu_count' "$ENV_FILE")"
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# ─── 档位 → 参数表 ────────────────────────────────────────────
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case "$SIZE_TIER" in
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tiny)
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PORTAL_INSTANCES="1"
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PORTAL_MAX_MEMORY_MB="384" # pm2 重启阈值 (单进程)
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NGINX_WORKER_CONN="512"
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NGINX_WORKER_PROCESSES="1" # 2C2G 单 worker 就够
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FORGEJO_ENABLED="false" # 2C2G 跑不下 forgejo + portal
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LFS_ENABLED="false"
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NEED_SWAP_GB="1" # 内存不够, 给 1G swap 兜底
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SYSTEMD_PORTAL_HIGH_MB="500"
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SYSTEMD_PORTAL_MAX_MB="700"
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NOTE="2C2G 实际档. portal 单进程, forgejo/lfs 关. 任何全量 git push 走灯塔, 这里不揽."
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;;
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small)
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PORTAL_INSTANCES="2"
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PORTAL_MAX_MEMORY_MB="512"
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NGINX_WORKER_CONN="1024"
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NGINX_WORKER_PROCESSES="2"
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FORGEJO_ENABLED="false"
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LFS_ENABLED="false"
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NEED_SWAP_GB="0" # 4G 起够用, 不强制 swap
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SYSTEMD_PORTAL_HIGH_MB="800"
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SYSTEMD_PORTAL_MAX_MB="1200"
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NOTE="4C4G 续费档. portal 双进程, 仍不开 forgejo (forgejo 留在灯塔)."
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;;
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medium)
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PORTAL_INSTANCES="4"
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PORTAL_MAX_MEMORY_MB="768"
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NGINX_WORKER_CONN="2048"
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NGINX_WORKER_PROCESSES="auto"
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FORGEJO_ENABLED="true"
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LFS_ENABLED="true"
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NEED_SWAP_GB="0"
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SYSTEMD_PORTAL_HIGH_MB="2000"
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SYSTEMD_PORTAL_MAX_MB="3000"
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NOTE="4C8G+ 档. 可选 forgejo + lfs. 这台升到这档说明冰朔升配了, 顺带把灯塔合并意图打开."
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;;
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large|xlarge)
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PORTAL_INSTANCES="4"
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PORTAL_MAX_MEMORY_MB="1024"
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NGINX_WORKER_CONN="4096"
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NGINX_WORKER_PROCESSES="auto"
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FORGEJO_ENABLED="true"
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LFS_ENABLED="true"
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NEED_SWAP_GB="0"
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SYSTEMD_PORTAL_HIGH_MB="3500"
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SYSTEMD_PORTAL_MAX_MB="6000"
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NOTE="超规格. 资源不再紧张, 全量功能开."
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;;
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*)
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echo "❌ [tune] 未知 size_tier=$SIZE_TIER" >&2
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exit 1
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;;
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esac
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# 已有 swap >= 1G 时, 不再强制再加 (避免重复建 swapfile)
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if [ "$NEED_SWAP_GB" = "1" ] && [ "$SWAP_MB" -ge 1024 ]; then
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NEED_SWAP_GB="0"
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fi
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# ─── 写 .env.tune ─────────────────────────────────────────────
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TUNE_FILE="$DATA_ROOT/.env.tune"
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mkdir -p "$(dirname "$TUNE_FILE")"
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cat > "$TUNE_FILE" <<EOF
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# Generated by domain-cn/tune-from-env.sh @ $(date -u +%Y-%m-%dT%H:%M:%SZ)
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# 档位: $SIZE_TIER (基于 ${MEM_MB}MB 内存 / ${CPU} 核 / swap ${SWAP_MB}MB)
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# 注: $NOTE
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#
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# ⚠️ 作用域说明:
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# - bootstrap.sh source 这个文件
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# - PORTAL_INSTANCES / NGINX_WORKER_CONN / FORGEJO_ENABLED /
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# LFS_ENABLED / NEED_SWAP_GB 真正影响行为
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# - 其他字段是档位决策快照, 给霜砚 / 冰朔追溯
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SIZE_TIER=$SIZE_TIER
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PORTAL_INSTANCES=$PORTAL_INSTANCES
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PORTAL_MAX_MEMORY_MB=$PORTAL_MAX_MEMORY_MB
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NGINX_WORKER_CONN=$NGINX_WORKER_CONN
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NGINX_WORKER_PROCESSES=$NGINX_WORKER_PROCESSES
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FORGEJO_ENABLED=$FORGEJO_ENABLED
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LFS_ENABLED=$LFS_ENABLED
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NEED_SWAP_GB=$NEED_SWAP_GB
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SYSTEMD_PORTAL_HIGH_MB=$SYSTEMD_PORTAL_HIGH_MB
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SYSTEMD_PORTAL_MAX_MB=$SYSTEMD_PORTAL_MAX_MB
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EOF
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chmod 644 "$TUNE_FILE"
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# ─── 决策回执 ─────────────────────────────────────────────────
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TS="$(date -u +%Y%m%d-%H%M%S)"
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RECEIPT="$DEPLOY_ROOT/_logs/tune-decision-$TS.json"
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mkdir -p "$DEPLOY_ROOT/_logs"
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cat > "$RECEIPT" <<EOF
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{
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"_sovereign": "TCS-0002∞ · 国作登字-2026-A-00037559",
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"_purpose": "domain-cn tune decision",
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"decided_at": "$(date -u +%Y-%m-%dT%H:%M:%SZ)",
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"input": {
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"size_tier": "$SIZE_TIER",
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"memory_mb": $MEM_MB,
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"swap_mb": $SWAP_MB,
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"cpu_count": $CPU
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},
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"decision": {
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"PORTAL_INSTANCES": $PORTAL_INSTANCES,
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"PORTAL_MAX_MEMORY_MB": $PORTAL_MAX_MEMORY_MB,
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"NGINX_WORKER_CONN": $NGINX_WORKER_CONN,
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"NGINX_WORKER_PROCESSES": "$NGINX_WORKER_PROCESSES",
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"FORGEJO_ENABLED": $FORGEJO_ENABLED,
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"LFS_ENABLED": $LFS_ENABLED,
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"NEED_SWAP_GB": $NEED_SWAP_GB,
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"SYSTEMD_PORTAL_HIGH_MB": $SYSTEMD_PORTAL_HIGH_MB,
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"SYSTEMD_PORTAL_MAX_MB": $SYSTEMD_PORTAL_MAX_MB
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},
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"note": "$NOTE",
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"tune_file": "$TUNE_FILE"
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}
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EOF
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echo "═══════════════════════════════════════════════════════════"
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echo " [tune · domain-cn] 动态调优决策"
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echo "═══════════════════════════════════════════════════════════"
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echo " 档位: $SIZE_TIER (${MEM_MB}MB / ${CPU} 核 / swap ${SWAP_MB}MB)"
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echo " Portal 进程: $PORTAL_INSTANCES (单进程上限 ${PORTAL_MAX_MEMORY_MB}MB)"
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echo " Nginx worker: $NGINX_WORKER_PROCESSES 进程 / $NGINX_WORKER_CONN 连接"
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echo " Forgejo: $FORGEJO_ENABLED"
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echo " Git LFS: $LFS_ENABLED"
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echo " 需要建 swap: $NEED_SWAP_GB G"
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echo " systemd MemHi: ${SYSTEMD_PORTAL_HIGH_MB}MB / Max ${SYSTEMD_PORTAL_MAX_MB}MB"
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echo " 注: $NOTE"
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echo " 写入: $TUNE_FILE"
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echo " 回执: $RECEIPT"
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echo "═══════════════════════════════════════════════════════════"
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