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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Rectifiers · RDMAS 协同加速协调层</title>
<meta name="description" content="Rectifiers —— 在 One-Sided RDMA 共享存储之上，为 vLLM/SGLang 多 GPU 实例推理集群提供缓存感知路由、动态 P:D 比例调优和 LMCache 智能 L2 后端。">
<link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ctext y='.9em' font-size='90'%3E%E2%9A%A1%3C/text%3E%3C/svg%3E">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/atom-one-dark.min.css">
<style>
/* ============================================================
Rectifiers README —— 与 architecture.html 同源的主题体系
============================================================ */
:root {
--bg: #070b13;
--bg-soft: #0a1019;
--panel: #0d1521;
--panel-2: #101a29;
--border: #1b2939;
--border-2: #26394f;
--text: #c9d5e4;
--muted: #8393a9;
--dim: #5b6b80;
--accent: #2dd4bf;
--accent-2: #38bdf8;
--amber: #fbbf24;
--green: #34d399;
--red: #fb7185;
--hl: rgba(45, 212, 191, 0.14);
--radius: 12px;
--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
"Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Ubuntu, Arial, sans-serif;
--mono: "JetBrains Mono", "SFMono-Regular", "Noto Sans Mono CJK SC", "Sarasa Mono SC",
"Source Han Mono SC", "Menlo", "Consolas", "Liberation Mono", monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
font-family: var(--sans);
background: var(--bg);
color: var(--text);
line-height: 1.75;
font-size: 16px;
-webkit-font-smoothing: antialiased;
text-rendering: optimizeLegibility;
}
/* 全局氛围光 */
body::before {
content: "";
position: fixed;
inset: 0;
z-index: 0;
pointer-events: none;
background:
radial-gradient(1000px 460px at 88% -12%, rgba(56, 189, 248, .10), transparent 62%),
radial-gradient(760px 420px at -6% 18%, rgba(45, 212, 191, .07), transparent 60%),
radial-gradient(700px 500px at 50% 115%, rgba(251, 191, 36, .04), transparent 60%);
}
::selection { background: rgba(45, 212, 191, .28); color: #eafffc; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #223349; border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #2e465f; }
/* 阅读进度条 */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 140; pointer-events: none; }
.progress span {
display: block; height: 100%; width: 0;
background: linear-gradient(90deg, var(--accent), var(--accent-2));
box-shadow: 0 0 12px rgba(45, 212, 191, .6);
}
/* ============================================================
顶部导航
============================================================ */
.topnav {
position: sticky; top: 0; z-index: 120;
background: rgba(7, 11, 19, .82);
backdrop-filter: blur(14px);
-webkit-backdrop-filter: blur(14px);
border-bottom: 1px solid var(--border);
}
.topnav-inner {
max-width: 1240px; margin: 0 auto;
height: 62px;
display: flex; align-items: center; gap: 22px;
padding: 0 28px;
}
.topnav-brand { display: flex; align-items: center; gap: 11px; text-decoration: none; flex: none; }
.topnav-mark {
width: 34px; height: 34px; flex: none;
display: grid; place-items: center;
font-family: var(--mono); font-weight: 800; font-size: 18px;
color: #05201b;
background: linear-gradient(135deg, var(--accent), var(--accent-2));
border-radius: 9px;
box-shadow: 0 4px 14px rgba(45, 212, 191, .35);
}
.topnav-name { font-size: 16px; font-weight: 750; color: var(--text); letter-spacing: .01em; }
.topnav-name .accent { color: var(--accent); }
.topnav-links { display: flex; align-items: center; gap: 2px; margin-left: auto; flex-wrap: nowrap; }
.topnav-links a {
padding: 6px 12px; border-radius: 8px;
font-size: 13.5px; color: var(--muted); text-decoration: none;
white-space: nowrap;
transition: background .16s ease, color .16s ease;
}
.topnav-links a:hover { background: rgba(255,255,255,.05); color: var(--text); }
.topnav-links a.active { color: var(--accent); background: var(--hl); }
.topnav-gh {
margin-left: 10px; flex: none;
display: inline-flex; align-items: center; gap: 7px;
font-family: var(--mono); font-size: 12px;
color: var(--muted); text-decoration: none;
border: 1px solid var(--border-2); border-radius: 999px;
padding: 5px 13px;
transition: all .18s ease;
}
.topnav-gh:hover { color: var(--accent); border-color: rgba(45,212,191,.5); background: var(--hl); }
.topnav-gh svg { width: 14px; height: 14px; }
/* 移动端导航 */
.nav-toggle {
display: none;
margin-left: auto;
width: 42px; height: 42px;
flex-direction: column; justify-content: center; align-items: center; gap: 5px;
background: transparent; border: 1px solid var(--border-2); border-radius: 9px;
cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: all .22s ease; }
.nav-panel {
display: none;
border-top: 1px solid var(--border);
background: rgba(10, 16, 25, .97);
padding: 12px 20px 18px;
}
.nav-panel a {
display: block; padding: 10px 8px;
color: var(--muted); text-decoration: none; font-size: 14.5px;
border-radius: 8px;
}
.nav-panel a:hover, .nav-panel a.active { color: var(--accent); background: var(--hl); }
/* ============================================================
主内容
============================================================ */
main { position: relative; z-index: 1; max-width: 1080px; margin: 0 auto; padding: 0 32px 140px; min-width: 0; }
/* Hero */
.hero { padding: 84px 0 40px; }
.hero-badge {
display: inline-flex; align-items: center; gap: 8px;
font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
color: var(--accent-2);
border: 1px solid var(--border-2); border-radius: 999px;
padding: 6px 14px;
background: rgba(56, 189, 248, .06);
margin-bottom: 22px;
}
.hero-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.hero h1 {
font-size: clamp(34px, 4.6vw, 56px);
font-weight: 800; line-height: 1.12; letter-spacing: -.015em;
display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
}
.hero h1 .grad {
background: linear-gradient(92deg, var(--accent) 5%, var(--accent-2) 55%, #a5b4fc 95%);
-webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero h1 .sub-tag {
font-size: 16px; font-weight: 500; color: var(--muted); letter-spacing: 0;
}
.hero-lead { margin-top: 20px; max-width: 760px; color: var(--muted); font-size: 16.5px; }
.hero-lead b { color: var(--text); font-weight: 600; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.pill {
display: inline-flex; align-items: center; gap: 7px;
font-family: var(--mono); font-size: 12px;
padding: 5px 13px; border-radius: 999px;
border: 1px solid var(--border-2);
color: var(--muted); background: rgba(255,255,255,.02);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; }
.pill-green { color: #7ff0c4; border-color: rgba(52,211,153,.4); background: rgba(52,211,153,.07); }
.pill-green .dot { background: var(--green); box-shadow: 0 0 8px var(--green); }
.pill-blue { color: #9fd8ff; border-color: rgba(56,189,248,.4); background: rgba(56,189,248,.07); }
.pill-blue .dot { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }
.hero-stats {
display: flex; flex-wrap: wrap; gap: 26px;
margin-top: 34px; padding-top: 26px;
border-top: 1px solid var(--border);
}
.hero-stats .stat b { display: block; font-family: var(--mono); font-size: 22px; color: var(--text); }
.hero-stats .stat span { font-size: 12px; color: var(--dim); letter-spacing: .06em; }
/* 章节 */
.sec { padding: 46px 0 14px; scroll-margin-top: 90px; }
.sec h2 {
display: flex; align-items: center; gap: 16px;
font-size: 26px; font-weight: 750; letter-spacing: -.01em;
color: #e6eef8;
scroll-margin-top: 90px;
}
.sec-num {
font-family: var(--mono); font-size: 16px; font-weight: 700;
color: var(--accent);
padding: 3px 10px;
border: 1px solid rgba(45, 212, 191, .4);
border-radius: 8px;
background: rgba(45, 212, 191, .08);
}
.sec-line { flex: 1; height: 1px; background: linear-gradient(90deg, var(--border-2), transparent); }
.sec h3 {
margin: 30px 0 12px;
font-size: 19px; font-weight: 650;
color: var(--accent-2);
display: flex; align-items: center; gap: 10px;
scroll-margin-top: 90px;
}
.sec h3::before {
content: ""; width: 4px; height: 17px; border-radius: 2px;
background: linear-gradient(180deg, var(--accent-2), transparent);
}
.sec p { margin: 14px 0; color: var(--text); }
.sec p.subtle { color: var(--muted); font-size: 14.5px; }
code.inline {
font-family: var(--mono); font-size: .86em;
color: #7fe9dc;
background: rgba(45, 212, 191, .1);
border: 1px solid rgba(45, 212, 191, .22);
border-radius: 5px;
padding: 1px 6px;
white-space: nowrap;
}
a.ext { color: var(--accent-2); text-decoration: none; }
a.ext:hover { text-decoration: underline; }
/* Callout */
.callout {
margin: 22px 0;
padding: 16px 20px;
border: 1px solid rgba(56, 189, 248, .28);
border-left: 3px solid var(--accent-2);
border-radius: 10px;
background: linear-gradient(120deg, rgba(56, 189, 248, .07), rgba(56, 189, 248, .02));
color: var(--muted);
font-size: 14.5px;
}
.callout b { color: var(--text); }
.callout .tag {
display: inline-block; margin-bottom: 4px;
font-family: var(--mono); font-size: 10px; letter-spacing: .18em; text-transform: uppercase;
color: var(--accent-2);
}
.callout.amber {
border-color: rgba(251, 191, 36, .3);
border-left-color: var(--amber);
background: linear-gradient(120deg, rgba(251, 191, 36, .06), rgba(251, 191, 36, .02));
}
.callout.amber .tag { color: var(--amber); }
.callout.green {
border-color: rgba(52, 211, 153, .3);
border-left-color: var(--green);
background: linear-gradient(120deg, rgba(52, 211, 153, .06), rgba(52, 211, 153, .02));
}
.callout.green .tag { color: var(--green); }
.callout p { margin: 2px 0; }
/* ============================================================
五条核心原则 —— 卡片
============================================================ */
.principles {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 16px;
margin: 24px 0 6px;
}
.principle-card {
position: relative;
padding: 24px 24px 20px;
border-radius: 14px;
border: 1px solid var(--border);
background: linear-gradient(155deg, var(--panel-2) 0%, var(--panel) 100%);
overflow: hidden;
transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.principle-card::before {
content: "";
position: absolute; top: 0; left: 0; right: 0; height: 2px;
background: linear-gradient(90deg, var(--accent), transparent 70%);
opacity: .55;
}
.principle-card:hover {
border-color: rgba(45, 212, 191, .45);
transform: translateY(-3px);
box-shadow: 0 14px 34px rgba(4, 10, 18, .5);
}
.p-num {
font-family: var(--mono); font-size: 30px; font-weight: 800; line-height: 1;
background: linear-gradient(135deg, var(--accent), var(--accent-2));
-webkit-background-clip: text; background-clip: text; color: transparent;
opacity: .92;
margin-bottom: 12px;
}
.principle-card h4 { font-size: 16px; font-weight: 700; color: #e6eef8; margin-bottom: 8px; }
.principle-card p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.principle-card code.inline { font-size: .84em; }
/* ============================================================
请求生命周期 步骤
============================================================ */
.steps {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));
gap: 12px;
margin: 22px 0 8px;
}
.step {
display: flex; gap: 12px; align-items: flex-start;
padding: 14px 16px;
border: 1px solid var(--border);
border-radius: 10px;
background: var(--panel);
transition: border-color .2s ease;
}
.step:hover { border-color: rgba(45, 212, 191, .35); }
.step-num {
flex: none; width: 26px; height: 26px; border-radius: 50%;
display: grid; place-items: center;
background: var(--hl); color: var(--accent);
font-family: var(--mono); font-size: 12px; font-weight: 700;
margin-top: 2px;
}
.step b { display: block; font-size: 13.5px; color: var(--text); font-weight: 650; }
.step span { font-size: 12.5px; color: var(--muted); line-height: 1.55; }
.step .proto {
display: inline-block; margin-top: 5px;
font-family: var(--mono); font-size: 10px; letter-spacing: .08em;
padding: 1px 7px; border-radius: 5px;
border: 1px solid var(--border-2); color: var(--dim);
}
/* ============================================================
角色划分（做 / 不做）
============================================================ */
.roles { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0 8px; }
.roles-panel { border-radius: 12px; padding: 20px 22px; }
.roles-no { border: 1px solid rgba(251, 113, 133, .3); background: linear-gradient(160deg, rgba(251,113,133,.06), rgba(251,113,133,.015)); }
.roles-yes { border: 1px solid rgba(52, 211, 153, .3); background: linear-gradient(160deg, rgba(52,211,153,.06), rgba(52,211,153,.015)); }
.roles-panel h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.roles-no h4 { color: var(--red); }
.roles-yes h4 { color: var(--green); }
.roles-panel ul { list-style: none; }
.roles-panel li {
display: flex; gap: 10px; align-items: flex-start;
padding: 7px 0; font-size: 13.5px; color: var(--muted);
}
.roles-panel li .mark { flex: none; font-family: var(--mono); font-weight: 700; }
.roles-no li .mark { color: var(--red); }
.roles-yes li .mark { color: var(--green); }
.roles-panel code.inline { font-size: .84em; }
/* ============================================================
RDMAS 核心特性 卡片
============================================================ */
.feature-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 14px;
margin: 18px 0 8px;
}
.feature {
border: 1px solid var(--border);
border-radius: 10px;
padding: 14px 16px;
background: var(--panel);
transition: border-color .2s ease;
}
.feature:hover { border-color: rgba(56, 189, 248, .4); }
.feature b { display: block; color: var(--accent-2); font-size: 14px; margin-bottom: 4px; }
.feature span { font-size: 13px; color: var(--muted); line-height: 1.6; }
.feature code.inline { font-size: .84em; }
/* ============================================================
ASCII 架构图
============================================================ */
.diagram { margin: 24px 0; }
.diagram-head {
display: flex; align-items: center; gap: 10px;
font-family: var(--mono); font-size: 10px; letter-spacing: .18em; text-transform: uppercase;
color: var(--dim);
background: var(--panel-2);
border: 1px solid var(--border);
border-bottom: none;
border-radius: 10px 10px 0 0;
padding: 7px 14px;
}
.diagram-head .blk { color: var(--accent); font-size: 12px; letter-spacing: 0; }
.ascii {
font-family: var(--mono);
font-size: 9px;
line-height: 1.45;
white-space: pre;
overflow-x: auto;
color: #9fb6cc;
background: linear-gradient(180deg, #0b1420, #0a111c);
border: 1px solid var(--border);
border-radius: 0 0 10px 10px;
padding: 18px 20px;
tab-size: 4;
}
.ascii.sm { font-size: 8px; line-height: 1.5; }
.ascii::-webkit-scrollbar-thumb { background: #1d2c3d; border: 2px solid #0b1420; }
/* ============================================================
代码块
============================================================ */
.code-block { margin: 24px 0; }
.code-head {
display: flex; align-items: center; gap: 10px;
font-family: var(--mono); font-size: 10px; letter-spacing: .18em; text-transform: uppercase;
color: var(--dim);
background: var(--panel-2);
border: 1px solid var(--border);
border-bottom: none;
border-radius: 10px 10px 0 0;
padding: 7px 14px;
}
.code-head .blk { color: var(--accent-2); font-size: 12px; letter-spacing: 0; }
.code-block pre {
margin: 0;
border: 1px solid var(--border);
border-radius: 0 0 10px 10px;
padding: 18px 20px;
overflow-x: auto;
font-size: 13px; line-height: 1.65;
background: #0b1420;
}
.code-block pre code.hljs { background: transparent; padding: 0; font-family: var(--mono); }
/* ============================================================
表格
============================================================ */
.table-wrap {
margin: 20px 0;
overflow-x: auto;
border: 1px solid var(--border);
border-radius: 10px;
background: var(--panel);
}
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 480px; }
thead th {
position: sticky; top: 62px; z-index: 5;
text-align: left;
font-size: 12px; letter-spacing: .05em;
color: #9fd8ff;
background: #15233a;
padding: 12px 16px;
white-space: nowrap;
}
tbody td { padding: 11px 16px; color: var(--text); border-top: 1px solid var(--border); vertical-align: top; }
tbody tr:nth-child(even) { background: rgba(255, 255, 255, .025); }
tbody tr:hover { background: var(--hl); }
tbody td b { color: #e6eef8; }
td.port { font-family: var(--mono); color: var(--accent); white-space: nowrap; }
/* ============================================================
页脚
============================================================ */
.footer {
margin-top: 70px;
padding: 34px 0 0;
border-top: 1px solid var(--border);
display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center;
font-family: var(--mono); font-size: 12px; color: var(--dim);
}
.footer a { color: var(--accent-2); text-decoration: none; }
.footer a:hover { text-decoration: underline; }
/* ============================================================
响应式
============================================================ */
@media (max-width: 900px) {
main { padding: 0 20px 100px; }
.hero { padding: 52px 0 26px; }
.topnav-links, .topnav-gh { display: none; }
.nav-toggle { display: flex; }
.nav-panel.open { display: block; }
.sec { padding: 34px 0 10px; }
.sec h2 { font-size: 21px; gap: 11px; }
.sec-num { font-size: 14px; }
.roles { grid-template-columns: 1fr; }
.steps { grid-template-columns: 1fr; }
.ascii { font-size: 8px; padding: 14px; }
.ascii.sm { font-size: 7.5px; }
thead th { position: static; }
table { min-width: 560px; }
.hero h1 { font-size: 32px; }
}
/* ============================================================
打印
============================================================ */
@media print {
@page { margin: 16mm; }
body { background: #fff !important; color: #111; font-size: 11px; }
.progress, .topnav, .nav-toggle { display: none !important; }
body::before { display: none; }
main { max-width: 100%; padding: 0; }
.hero { padding: 0 0 16px; }
.hero h1 { font-size: 26px; }
.hero h1 .grad { color: #000; -webkit-text-fill-color: #000; background: none; }
.hero-lead, .hero-badges, .hero-stats, .hero-badge { color: #333; }
.pill, .hero-badge { border-color: #bbb; color: #333; background: #f0f0f0; }
h2, h3, h4 { color: #000; break-after: avoid; }
.sec-num { color: #000; border-color: #999; background: #f0f0f0; }
.sec-line { background: #ccc; }
.sec p, .sec li, .callout, table td, table th, .step, .feature, .principle-card p { color: #222; }
.principle-card, .step, .feature, .roles-panel { border-color: #ccc; background: #fafafa; }
.callout { background: #f6f6f6; border-color: #aaa; border-left-color: #333; }
.ascii {
font-size: 6.4px; line-height: 1.35; color: #111;
background: #f4f4f4; border: 1px solid #bbb;
padding: 8px; overflow: visible;
}
.ascii.sm { font-size: 6px; }
.diagram-head, .code-head { background: #e8e8e8; border-color: #bbb; color: #333; }
.code-block pre {
background: #f4f4f4 !important; border: 1px solid #bbb;
font-size: 9px; color: #111; overflow: visible;
}
.code-block pre code.hljs { color: #111; background: transparent !important; }
.table-wrap { overflow: visible; border-color: #bbb; background: #fff; }
table { font-size: 9px; min-width: 0; }
thead th { position: static; background: #e8e8e8; color: #000; }
tbody td { border-top-color: #ccc; }
tbody tr:nth-child(even) { background: #f5f5f5; }
a { color: #000; text-decoration: none; }
.footer { border-top-color: #ccc; }
}
</style>
</head>
<body>
<div class="progress"><span></span></div>
<!-- ======================= 顶部导航 ======================= -->
<header class="topnav" id="topnav">
<div class="topnav-inner">
<a class="topnav-brand" href="#top">
<div class="topnav-mark">R</div>
<div class="topnav-name">Rectifiers <span class="accent">·</span> RDMAS 协调层</div>
</a>
<nav class="topnav-links" aria-label="章节导航">
<a href="#design" class="active">设计原则</a>
<a href="#arch">架构概览</a>
<a href="#quickstart">快速开始</a>
<a href="#deploy">部署指南</a>
<a href="#lmcache">LMCache 集成</a>
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<a href="#crates">Crate 结构</a>
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</div>
<div class="nav-panel" id="navPanel">
<a href="#design">设计原则</a>
<a href="#arch">架构概览</a>
<a href="#quickstart">快速开始</a>
<a href="#deploy">部署指南</a>
<a href="#lmcache">LMCache 集成</a>
<a href="#rdmas">RDMAS 存储后端集成</a>
<a href="#crates">Crate 结构</a>
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</header>
<main id="top">
<!-- ======================= Hero ======================= -->
<header class="hero">
<div class="hero-badge">README · 项目说明</div>
<h1><span class="grad">Rectifiers</span> <span class="sub-tag">RDMAS 协同加速协调层</span></h1>
<p class="hero-lead">
在 <b>One-Sided RDMA 共享存储</b> 之上，为 vLLM/SGLang 多 GPU 实例推理集群提供
<b>缓存感知路由</b>、<b>动态 P:D 比例调优</b> 和 <b>LMCache 智能 L2 后端</b>。
</p>
<div class="hero-badges">
<span class="pill pill-green"><span class="dot"></span> CI passing</span>
<span class="pill pill-blue"><span class="dot"></span> License: MIT</span>
<span class="pill">纯 Rust · 无 GC</span>
</div>
<div class="hero-stats">
<div class="stat"><b>5</b><span>Crates</span></div>
<div class="stat"><b>89</b><span>单元测试</span></div>
<div class="stat"><b>3</b><span>核心服务</span></div>
<div class="stat"><b><1μs</b><span>索引更新</span></div>
</div>
</header>
<!-- ======================= 01 设计原则 ======================= -->
<section class="sec" id="design">
<h2><span class="sec-num">01</span>设计原则<span class="sec-line"></span></h2>
<h3>五条核心原则</h3>
<div class="principles">
<article class="principle-card">
<div class="p-num">01</div>
<h4>数据面零 CPU</h4>
<p>所有 KV cache 读写走 RDMAS One-Sided RDMA READ/WRITE/CAS，RDMAS Server CPU 零参与。Rectifiers 只维护缓存位置索引，不触碰数据面热路径。</p>
</article>
<article class="principle-card">
<div class="p-num">02</div>
<h4>索引与数据分离</h4>
<p>Director 的 <code class="inline">PrefixIndex</code> 是纯内存索引，不存储 KV cache 数据本身。数据在 RDMAS 节点中，索引在 Director 进程中。</p>
</article>
<article class="principle-card">
<div class="p-num">03</div>
<h4>缓存感知调度</h4>
<p>Router 每次请求先查询 Director 获取 prefix 命中最多的 RDMAS 节点，再将请求调度到该节点附近的 worker。冷启动自动降级为最少负载调度。</p>
</article>
<article class="principle-card">
<div class="p-num">04</div>
<h4>两阶段写入上报</h4>
<p>Connector 的 <code class="inline">submit_batch_set</code> 只记录 pending 元数据，真正的 <code class="inline">report_store</code> 在 <code class="inline">drain_completions</code> 中仅在 RDMA 写入成功后调用。杜绝 phantom cache hits。</p>
</article>
<article class="principle-card">
<div class="p-num">05</div>
<h4>渐进式集成</h4>
<p>Director、Router、Orchestrator 均可独立部署为 Rust 二进制。Connector 通过 feature flag 可选集成 Director 上报。Python 原型先行验证，Rust 生产化替代。</p>
</article>
</div>
<h3>与 Mooncake 的关键差异</h3>
<div class="table-wrap"><table>
<thead><tr><th>维度</th><th>Mooncake</th><th>Rectifiers</th></tr></thead>
<tbody>
<tr><td><b>数据面</b></td><td>Transfer Engine (CPU 协调)</td><td>RDMAS One-Sided RDMA (零 CPU)</td></tr>
<tr><td><b>索引更新</b></td><td>ZMQ 外部拉取 (独立 Go 进程 + etcd)</td><td>Connector drain_completions 内嵌推送</td></tr>
<tr><td><b>索引延迟</b></td><td>ZMQ 网络 RTT</td><td>< 1μs 进程内 / < 100μs gRPC 本地</td></tr>
<tr><td><b>P:D 自动调优</b></td><td>无</td><td>Orchestrator hysteresis 防震荡 + K8s 扩缩</td></tr>
<tr><td><b>语言栈</b></td><td>Go + C++</td><td>纯 Rust (无 GC，安全内存模型)</td></tr>
</tbody>
</table></div>
</section>
<!-- ======================= 02 架构概览 ======================= -->
<section class="sec" id="arch">
<h2><span class="sec-num">02</span>架构概览<span class="sec-line"></span></h2>
<div class="diagram">
<div class="diagram-head"><span class="blk">⛶</span> ASCII · 系统架构</div>
<pre class="ascii sm">外部 Client ──HTTP──▶ API Gateway / Nginx (TLS 终结)
│
▼ proxy_pass :8080
┌──────────────────────────────────────────────────────────┐
│ Rectifiers 协调层 │
│ │
│ ┌──────────────────────────────────────────────────┐ │
│ │ rdmas-router (:8080) │ │
│ │ tokenize → hash → Director.query → decision │ │
│ │ → dispatch to best vLLM worker → SSE stream │ │
│ └────────────┬─────────────────────────────────────┘ │
│ │ gRPC │
│ ▼ │
│ ┌────────────────────────┐ ┌──────────────────────┐ │
│ │ rdmas-director (:9200) │ │ rdmas-orchestrator │ │
│ │ PrefixIndex │ │ (:9201) │ │
│ │ InstanceRegistry │ │ auto-tune → K8s scale │ │
│ │ 8 RPC + health │ │ GetStats from Director│ │
│ └────────────────────────┘ └──────────────────────┘ │
│ ▲ │
│ │ report_store / report_remove │
│ │ (from drain_completions) │
│ ┌────────────┴──────────────────────────────────────┐ │
│ │ LMCache RDMAS Connector (PyO3 native_plugin) │ │
│ │ feature: director → 自动上报 Director │ │
│ └───────────────────────┬──────────────────────────┘ │
└──────────────────────────┼──────────────────────────────┘
│ RDMA READ / WRITE / CAS
▼
┌──────────────────────────────────────────────────────────┐
│ RDMAS Storage Cluster (外部) │
│ Node 0 (HugePage) Node 1 (HugePage) Node N ... │
│ Cuckoo Hash Table + Large Object Region │
└──────────────────────────────────────────────────────────┘
│
▼
┌──────────────────────────────────────────────────────────┐
│ vLLM / SGLang Workers │
│ Prefill Pool (P0, P1, ...) Decode Pool (D0, D1, ...) │
└──────────────────────────────────────────────────────────┘</pre>
</div>
<h3>请求生命周期</h3>
<div class="steps">
<div class="step"><div class="step-num">1</div><div><b>Client → API Gateway</b><span>发送 prompt</span><div class="proto">HTTP</div></div></div>
<div class="step"><div class="step-num">2</div><div><b>Router</b><span>tokenize prompt → 计算 <code class="inline">block_hashes</code></span></div></div>
<div class="step"><div class="step-num">3</div><div><b>Router → Director</b><span>gRPC <code class="inline">Query(block_hashes)</code></span><div class="proto">gRPC</div></div></div>
<div class="step"><div class="step-num">4</div><div><b>Director</b><span>查 PrefixIndex → InstanceRegistry → 返回 hits</span></div></div>
<div class="step"><div class="step-num">5</div><div><b>Router</b><span>多因素决策（tier × matched_blocks × load）→ 选最佳 worker</span></div></div>
<div class="step"><div class="step-num">6</div><div><b>Router → vLLM Worker</b><span>HTTP dispatch → SSE stream → Client</span><div class="proto">HTTP/SSE</div></div></div>
<div class="step"><div class="step-num">7</div><div><b>LMCache Connector</b><span>RDMA WRITE/READ → RDMAS 节点</span><div class="proto">RDMA</div></div></div>
<div class="step"><div class="step-num">8</div><div><b>Connector → Director</b><span><code class="inline">drain_completions</code> 中 <code class="inline">report_store</code>（仅在成功后）</span><div class="proto">gRPC</div></div></div>
</div>
</section>
<!-- ======================= 03 快速开始 ======================= -->
<section class="sec" id="quickstart">
<h2><span class="sec-num">03</span>快速开始<span class="sec-line"></span></h2>
<h3>环境要求</h3>
<ul style="margin:14px 0 0 22px; list-style:none;" class="env-list">
<li style="padding:5px 0; color:var(--text);">▸ <b>Rust 1.80+</b> — 编译工具链</li>
<li style="padding:5px 0; color:var(--text);">▸ <b>protoc</b> — 用于 gRPC proto 编译</li>
<li style="padding:5px 0; color:var(--muted); font-size:14.5px;">▸ 可选：K8s 集群（Orchestrator 自动扩缩）、RDMA 网卡和 libibverbs（RDMAS 存储后端）</li>
</ul>
<div class="code-block">
<div class="code-head"><span class="blk">▣</span> Bash · 安装 protoc</div>
<pre><code class="language-bash"># 安装 protoc (Fedora)
sudo dnf install protobuf-compiler
# 安装 protoc (Ubuntu/Debian)
sudo apt install protobuf-compiler
# 安装 protoc (macOS)
brew install protobuf</code></pre>
</div>
<h3>编译</h3>
<div class="code-block">
<div class="code-head"><span class="blk">▣</span> Bash · 编译 & 测试</div>
<pre><code class="language-bash">git clone https://github.com/rectifiers-project/rectifiers
cd rectifiers
# 编译所有 crate
cargo build --workspace
# Release 编译
cargo build --workspace --release
# 运行全部 89 个测试
cargo test --workspace</code></pre>
</div>
<h3>启动服务</h3>
<div class="code-block">
<div class="code-head"><span class="blk">▣</span> Bash · 启动三个核心服务</div>
<pre><code class="language-bash"># 1. 启动 Director (gRPC :9200) — 必须首先启动
cargo run -p rdmas-director
# 2. 启动 Router (HTTP :8080) — 需要 Director
cargo run -p rdmas-router
# 3. 启动 Orchestrator (gRPC :9201) — 需要 Director + K8s
# 默认 dry_run=true，不会实际扩缩
cargo run -p rdmas-orchestrator</code></pre>
</div>
<h3>配置</h3>
<p>所有服务通过 JSON 文件配置。参考示例：</p>
<ul class="flow" style="margin:12px 0 0 22px;">
<li><b>Director</b>：默认监听 <code class="inline">[::]:9200</code>，无需配置文件</li>
<li><b>Router</b>：创建 <code class="inline">router_config.json</code></li>
</ul>
<div class="code-block">
<div class="code-head"><span class="blk">▣</span> JSON · router_config.json</div>
<pre><code class="language-json">{
"listen_addr": "[::]:8080",
"director_addr": "http://[::1]:9200",
"tenant_id": "default",
"model_name": "llama-70b",
"block_size": 16,
"worker_endpoints": ["http://localhost:8000"]
}</code></pre>
</div>
<ul class="flow" style="margin:12px 0 0 22px;">
<li><b>Orchestrator</b>：见 <code class="inline">examples/rectifiers_config.json</code></li>
</ul>
<div class="code-block">
<div class="code-head"><span class="blk">▣</span> JSON · examples/rectifiers_config.json</div>
<pre><code class="language-json">{
"orchestrator": {
"listen_addr": "[::]:9201",
"director_addr": "http://[::1]:9200",
"tenant_id": "default",
"model_name": "llama-70b",
"auto_tune": {
"enabled": true,
"evaluation_interval_secs": 30,
"hit_rate_low_watermark": 0.3,
"hit_rate_high_watermark": 0.8,
"min_prefill": 2, "max_prefill": 6,
"min_decode": 2, "max_decode": 6,
"prefill_deployment": "vllm-prefill",
"decode_deployment": "vllm-decode",
"dry_run": true
}
}
}</code></pre>
</div>
</section>
<!-- ======================= 04 部署指南 ======================= -->
<section class="sec" id="deploy">
<h2><span class="sec-num">04</span>部署指南<span class="sec-line"></span></h2>
<h3>Docker 部署</h3>
<div class="code-block">
<div class="code-head"><span class="blk">▣</span> Bash · 构建镜像 & Compose 一键启动</div>
<pre><code class="language-bash"># 构建镜像
docker build -t rectifiers-director -f docker/Dockerfile.director .
docker build -t rectifiers-router -f docker/Dockerfile.router .
docker build -t rectifiers-orchestrator -f docker/Dockerfile.orchestrator .
# Docker Compose 一键启动（含 RDMAS mock + mock vLLM）
docker compose -f docker/docker-compose.yml up -d</code></pre>
</div>
<h3>K8s 部署</h3>
<div class="code-block">
<div class="code-head"><span class="blk">▣</span> YAML · K8s 清单（Deployment + RBAC）</div>
<pre><code class="language-yaml"># Director Deployment
apiVersion: apps/v1
kind: Deployment
metadata:
name: rectifiers-director
spec:
replicas: 1
selector:
matchLabels:
app: rectifiers-director
template:
metadata:
labels:
app: rectifiers-director
spec:
containers:
- name: director
image: rectifiers-director:latest
ports:
- containerPort: 9200
livenessProbe:
grpc:
port: 9200
service: grpc.health.v1.Health
---
# Router Deployment
apiVersion: apps/v1
kind: Deployment
metadata:
name: rectifiers-router
spec:
replicas: 2
selector:
matchLabels:
app: rectifiers-router
template:
spec:
containers:
- name: router
image: rectifiers-router:latest
ports:
- containerPort: 8080
env:
- name: RECTIFIERS_DIRECTOR_ADDR
value: "http://rectifiers-director:9200"
---
# Orchestrator Deployment — needs K8s RBAC for Deployment scaling
apiVersion: apps/v1
kind: Deployment
metadata:
name: rectifiers-orchestrator
spec:
replicas: 1
template:
spec:
serviceAccountName: rectifiers-orchestrator
containers:
- name: orchestrator
image: rectifiers-orchestrator:latest
ports:
- containerPort: 9201
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: rectifiers-orchestrator
rules:
- apiGroups: ["apps"]
resources: ["deployments/scale"]
verbs: ["get", "update", "patch"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: rectifiers-orchestrator
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: rectifiers-orchestrator
subjects:
- kind: ServiceAccount
name: rectifiers-orchestrator
namespace: default</code></pre>
</div>
<h3>部署拓扑</h3>
<div class="diagram">
<div class="diagram-head"><span class="blk">⛶</span> ASCII · 部署拓扑</div>
<pre class="ascii sm">┌─────────────────────────────────────────────────────────────┐
│ 数据中心 / 集群 │
│ │
│ ┌───────────────────────────────────────────────────────┐ │
│ │ GPU 节点 (8× A100/H100 + RDMA NIC mlx5_0) │ │
│ │ ┌──────┐ ┌──────┐ ┌──────┐ ┌──────┐ │ │
│ │ │ P0 │ │ P1 │ │ D0 │ │ D1 │ ... │ │
│ │ │ vLLM │ │ vLLM │ │ vLLM │ │ vLLM │ │ │
│ │ │+LMC │ │+LMC │ │+LMC │ │+LMC │ │ │
│ │ └──┬───┘ └──┬───┘ └──┬───┘ └──┬───┘ │ │
│ └─────┼────────┼────────┼────────┼─────────────────────┘ │
│ │ │ │ │ │
│ │ RDMA Verbs (One-Sided READ/WRITE/CAS) │
│ │ │ │ │ │
│ ┌─────┴────────┴────────┴────────┴─────────────────────┐ │
│ │ RDMAS 存储节点 (独立服务器, HugePages 数百 GB) │ │
│ │ Cuckoo Hash Table + Large Object Region │ │
│ │ ControlPlane gRPC :9400 │ │
│ └─────────────────────────────────────────────────────┘ │
│ │
│ ┌──────────────────────────────────────────────────────┐ │
│ │ Rectifiers 协调层 (可独立部署或与 GPU 节点同机) │ │
│ │ Director :9200 | Router :8080 | Orchestrator :9201 │ │
│ └──────────────────────────────────────────────────────┘ │
└──────────────────────────────────────────────────────────┘</pre>
</div>
</section>
<!-- ======================= 05 LMCache 集成 ======================= -->
<section class="sec" id="lmcache">
<h2><span class="sec-num">05</span>LMCache 集成<span class="sec-line"></span></h2>
<blockquote class="callout">
<span class="tag">How it works</span>
<p>Rectifiers Connector 作为 LMCache 的 <code class="inline">native_plugin</code> L2 存储后端，在每次 KV cache 写入成功后自动向 Director 上报缓存位置。</p>
</blockquote>
<h3>配置 LMCache 使用 Rectifiers</h3>
<p>在 vLLM 启动参数中配置 LMCache 的 <code class="inline">native_plugin</code>：</p>
<div class="code-block">
<div class="code-head"><span class="blk">▣</span> Bash · vLLM + native_plugin（含 Director 上报）</div>
<pre><code class="language-bash">vllm serve llama-70b \
--lmcache-config '{
"type": "native_plugin",
"module_path": "lmcache_rdma_connector",
"class_name": "RDMANativeConnector",
"adapter_params": {
"device": "mlx5_0",
"server": "10.0.0.1:9400",
"num_workers": 4,
"batch_chunk_num_bytes": 16777216,
"director_addr": "127.0.0.1:9200",
"node_id": "rdmas-0",
"tenant_id": "default",
"model_name": "llama-70b",
"block_size": 16
},
"eviction": {
"eviction_policy": "LRU",
"trigger_watermark": 0.8
},
"serde": {
"type": "fp8",
"fp8_dtype": "float8_e4m3fn"
}
}'</code></pre>
</div>
<p><b><code class="inline">adapter_params</code> 字段说明：</b></p>
<div class="table-wrap"><table>
<thead><tr><th>字段</th><th>必填</th><th>说明</th></tr></thead>
<tbody>