tamakyi
e3e59e7c69
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97 lines
3.9 KiB
Bash
97 lines
3.9 KiB
Bash
#!/bin/bash
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# ============================================================================
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# bench-cdn.sh — UIkit CDN 测速脚本（国内 / 海外双视角）
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#
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# 用途：对比"自建 R2 自托管 uikit"与"公共 CDN (cdnjs.snrat.com)"的加载速度，
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# 用于验证/复测 2026-09-05 的 CDN 迁移是否持续生效。
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#
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# 用法：
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# bash dev/bench-cdn.sh cn # 国内本机：每资源 5 次全量下载取中位
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# bash dev/bench-cdn.sh global # 海外：check-host.net 多区域节点 (p50/p90)
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#
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# 数据结论参考（2026-09-05 基线，国内中位）：
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# css R2 0.864s -> snrat 0.200s (4.3x)
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# js R2 0.796s -> snrat 0.163s (4.9x)
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# icons R2 0.824s -> snrat 0.177s (4.7x)
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# 海外（check-host p50）：css 打平；js R2 372ms vs snrat 647ms (R2 略快)
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# 结论：站点访客以国内为主 -> snrat 净收益大；海外属轻微下降可接受。
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# ============================================================================
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OLD_CSS="https://r2.337845818.best/tamabox/cdn/expire-1-y/uikit/3.3.3/css/modify-black-font/uikit.min.css"
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NEW_CSS="https://cdnjs.snrat.com/ajax/libs/uikit/3.3.3/css/uikit.min.css"
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OLD_JS="https://r2.337845818.best/tamabox/cdn/lib/uikit/3.3.3/js/uikit.min.js"
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NEW_JS="https://cdnjs.snrat.com/ajax/libs/uikit/3.3.3/js/uikit.min.js"
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OLD_ICONS="https://r2.337845818.best/tamabox/cdn/lib/uikit/3.3.3/js/uikit-icons.min.js"
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NEW_ICONS="https://cdnjs.snrat.com/ajax/libs/uikit/3.3.3/js/uikit-icons.min.js"
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# ---------- 国内：全量下载计时 ----------
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bench_cn() {
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echo "== 国内本机：每资源 5 次全量下载（秒），取中位 =="
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local pairs=(
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"OLD-css (R2 modify):$OLD_CSS"
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"NEW-css (snrat) :$NEW_CSS"
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"OLD-js (R2) :$OLD_JS"
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"NEW-js (snrat) :$NEW_JS"
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"OLD-icons (R2) :$OLD_ICONS"
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"NEW-icons (snrat) :$NEW_ICONS"
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)
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for entry in "${pairs[@]}"; do
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local name="${entry%%:*}"; local url="${entry#*:}"
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local vals=()
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for i in 1 2 3 4 5; do
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vals+=("$(curl -sS -o /dev/null -w '%{time_total}' --max-time 20 "$url" 2>/dev/null)")
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done
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local sorted=($(printf '%s\n' "${vals[@]}" | sort -n))
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local med="${sorted[2]}"
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printf '%-20s : [%s] 中位=%ss\n' "$name" "${vals[*]}" "$med"
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done
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}
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# ---------- 海外：check-host.net 多区域节点 ----------
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probe_global() {
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local name="$1" url="$2"
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local enc
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enc=$(python3 -c "import urllib.parse,sys;print(urllib.parse.quote(sys.argv[1],safe=''))" "$url")
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local rid
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rid=$(curl -sS -H "Accept: application/json" \
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"https://check-host.net/check-http?host=$enc&max_nodes=12" 2>/dev/null \
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| python3 -c "import sys,json;print(json.load(sys.stdin).get('request_id',''))")
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[ -z "$rid" ] && { echo "$name: 请求失败"; return; }
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sleep 8
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curl -sS -H "Accept: application/json" "https://check-host.net/check-result/$rid" 2>/dev/null \
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| python3 -c "
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import sys,json,statistics
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d=json.load(sys.stdin)
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ms=[]
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for node,arr in (d or {}).items():
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if not arr or not arr[0]: continue
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r=arr[0]
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if len(r)>3 and str(r[3]).startswith('2') and isinstance(r[1],(int,float)):
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ms.append(r[1]*1000)
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if ms:
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ms.sort()
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print(f'$name | n={len(ms)} | min={ms[0]:.0f} | p50={statistics.median(ms):.0f} | p90={ms[int(len(ms)*0.9)-1]:.0f} | max={ms[-1]:.0f} ms')
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else:
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print(f'$name | 无有效节点')
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"
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}
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bench_global() {
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echo "== 海外：check-host.net 多区域节点探测（HTTP 200 的耗时统计）=="
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probe_global "OLD css (R2 modify)" "$OLD_CSS"
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probe_global "NEW css (snrat)" "$NEW_CSS"
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probe_global "OLD js (R2)" "$OLD_JS"
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probe_global "NEW js (snrat)" "$NEW_JS"
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}
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case "$1" in
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cn) bench_cn ;;
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global) bench_global ;;
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*)
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echo "用法: bash dev/bench-cdn.sh {cn|global}"
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echo " cn = 国内本机全量下载测速"
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echo " global = 海外 check-host.net 多区域探测"
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exit 1
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;;
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esac
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