wikiboss/shanghaipeiwan
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perf: 全栈性能排查与优化落地 (消灭运行时DDL/消除全表扫描/内存泄漏治理/高频静态缓存)

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xcbyy
2026-10-23 14:28:47 +08:00
父节点 1264792a46
当前提交 59bae415ad
共有 4 个文件被更改，包括 262 次插入 和 64 次删除
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63
server/src/index.ts
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@@ -539,6 +539,21 @@ function httpsGetJson(url: string, timeoutMs = 4000): Promise<any> {
const geocodeCache = new Map<string, { geo: { lat: number; lng: number } | null; at: number }>();
// 周期性淘汰防爆破记录与地理编码缓存，杜绝常驻进程内存泄漏
const securitySweepTimer = setInterval(() => {
const now = Date.now();
for (const [k, v] of loginFailureMap) {
if (now - v.firstAt > LOGIN_WINDOW_MS) loginFailureMap.delete(k);
}
if (loginFailureMap.size > 20000) loginFailureMap.clear();
for (const [k, v] of geocodeCache) {
if (now - v.at > 10 * 60_000) geocodeCache.delete(k);
}
if (geocodeCache.size > 5000) geocodeCache.clear();
}, 5 * 60 * 1000);
if (typeof (securitySweepTimer as any).unref === 'function') (securitySweepTimer as any).unref();
/** 地址 -> 坐标（腾讯 WebService 地理编码），带进程内缓存 */
async function geocodeAddress(address: string): Promise<{ lat: number; lng: number } | null> {
const text = String(address || '').trim();
@@ -601,6 +616,7 @@ app.post('/api/admin/session/revoke-all', requireAdmin, async (req: Request, res
status: 1,
});
adminTokenEpoch = next;
invalidatePlatformConfigsCache();
console.warn(`[Peiwan Admin][AUDIT] 后台登录态已全部吊销 version->${next} ip=${clientIpOf(req)}`);
res.json({ code: 20000, message: '已吊销所有后台登录态，请重新登录' });
} catch (err: any) {
@@ -1728,10 +1744,37 @@ app.get('/api/expert/stats/:id/trends', async (req: Request, res: Response) => {
});
// 静态高频接口的进程内 TTL 缓存（降低 MySQL 重复读取开销）
interface FastCacheEntry<T> {
data: T;
expireAt: number;
}
const STATIC_CACHE_TTL_MS = 60 * 1000;
let cachedBanners: FastCacheEntry<any[]> | null = null;
export function invalidateBannersCache(): void {
cachedBanners = null;
}
let cachedNavCategories: FastCacheEntry<any[]> | null = null;
export function invalidateNavCategoriesCache(): void {
cachedNavCategories = null;
}
let cachedPlatformConfigs: FastCacheEntry<{ [key: string]: any }> | null = null;
export function invalidatePlatformConfigsCache(): void {
cachedPlatformConfigs = null;
}
// 首页运营 Banner 列表 (小程序端读取启用状态)
app.get('/api/banners', async (_req: Request, res: Response) => {
try {
const now = Date.now();
if (cachedBanners && now < cachedBanners.expireAt) {
return res.json({ code: 20000, data: cachedBanners.data });
}
const banners = await repo.getBanners();
cachedBanners = { data: banners, expireAt: now + STATIC_CACHE_TTL_MS };
res.json({ code: 20000, data: banners });
} catch (err: any) {
res.status(500).json({ code: 50000, message: err.message });
@@ -1775,6 +1818,7 @@ app.post('/api/admin/banners', async (req: Request, res: Response) => {
status: status !== undefined ? Number(status) : 1
});
invalidateBannersCache();
res.json({ code: 20000, data: banner, message: '轮播图创建成功' });
} catch (err: any) {
res.status(400).json({ code: 40000, message: err.message });
@@ -1811,6 +1855,7 @@ app.put('/api/admin/banners/:id', async (req: Request, res: Response) => {
return res.status(404).json({ code: 40400, message: '轮播图不存在或已被删除' });
}
invalidateBannersCache();
res.json({ code: 20000, data: updated, message: '轮播图修改成功' });
} catch (err: any) {
res.status(400).json({ code: 40000, message: err.message });
@@ -1831,6 +1876,7 @@ app.post('/api/admin/banners/:id/status', async (req: Request, res: Response) =>
return res.status(404).json({ code: 40400, message: '轮播图不存在' });
}
invalidateBannersCache();
res.json({ code: 20000, data: updated, message: status === 1 ? '轮播图已上架生效' : '轮播图已下线隐藏' });
} catch (err: any) {
res.status(400).json({ code: 40000, message: err.message });
@@ -1846,6 +1892,7 @@ app.delete('/api/admin/banners/:id', async (req: Request, res: Response) => {
return res.status(404).json({ code: 40400, message: '轮播图不存在或已被删除' });
}
invalidateBannersCache();
res.json({ code: 20000, data: null, message: '轮播图已删除' });
} catch (err: any) {
res.status(400).json({ code: 40000, message: err.message });
@@ -1855,7 +1902,12 @@ app.delete('/api/admin/banners/:id', async (req: Request, res: Response) => {
// 首页金刚区活动品类导航列表 (小程序端读取上架状态)
app.get('/api/nav-categories', async (_req: Request, res: Response) => {
try {
const now = Date.now();
if (cachedNavCategories && now < cachedNavCategories.expireAt) {
return res.json({ code: 20000, data: cachedNavCategories.data });
}
const list = await repo.getNavCategories();
cachedNavCategories = { data: list, expireAt: now + STATIC_CACHE_TTL_MS };
res.json({ code: 20000, data: list });
} catch (err: any) {
res.status(500).json({ code: 50000, message: err.message });
@@ -1901,6 +1953,7 @@ app.post('/api/admin/nav-categories', async (req: Request, res: Response) => {
status: status !== undefined ? Number(status) : 1
});
invalidateNavCategoriesCache();
res.json({ code: 20000, data: item, message: '品类导航创建成功' });
} catch (err: any) {
res.status(400).json({ code: 40000, message: err.message });
@@ -1935,6 +1988,7 @@ app.put('/api/admin/nav-categories/:id', async (req: Request, res: Response) =>
return res.status(404).json({ code: 40400, message: '品类导航不存在或已被删除' });
}
invalidateNavCategoriesCache();
res.json({ code: 20000, data: updated, message: '品类导航修改成功' });
} catch (err: any) {
res.status(400).json({ code: 40000, message: err.message });
@@ -1955,6 +2009,7 @@ app.post('/api/admin/nav-categories/:id/status', async (req: Request, res: Respo
return res.status(404).json({ code: 40400, message: '品类导航不存在' });
}
invalidateNavCategoriesCache();
res.json({ code: 20000, data: updated, message: status === 1 ? '品类导航已上架' : '品类导航已下线隐藏' });
} catch (err: any) {
res.status(400).json({ code: 40000, message: err.message });
@@ -1970,6 +2025,7 @@ app.delete('/api/admin/nav-categories/:id', async (req: Request, res: Response)
return res.status(404).json({ code: 40400, message: '品类导航不存在或已被删除' });
}
invalidateNavCategoriesCache();
res.json({ code: 20000, data: null, message: '品类导航已删除' });
} catch (err: any) {
res.status(400).json({ code: 40000, message: err.message });
@@ -2206,7 +2262,12 @@ app.delete('/api/admin/coupons/:id', async (req: Request, res: Response) => {
// 移动端：获取全部有效系统通用配置
app.get('/api/system/configs', async (_req: Request, res: Response) => {
try {
const now = Date.now();
if (cachedPlatformConfigs && now < cachedPlatformConfigs.expireAt) {
return res.json({ code: 20000, data: cachedPlatformConfigs.data });
}
const configs = await repo.getPlatformConfigs();
cachedPlatformConfigs = { data: configs, expireAt: now + STATIC_CACHE_TTL_MS };
res.json({ code: 20000, data: configs });
} catch (err: any) {
res.status(500).json({ code: 50000, message: err.message });
@@ -2285,6 +2346,7 @@ app.put('/api/admin/system/configs/:key', async (req: Request, res: Response) =>
contentSecurityService.setCustomKeywords(valueJson);
}
invalidatePlatformConfigsCache();
res.json({ code: 20000, data: updated, message: '系统配置更新成功' });
} catch (err: any) {
res.status(400).json({ code: 40000, message: err.message });
@@ -2620,6 +2682,7 @@ app.post('/api/admin/pay/wechat/config', async (req: Request, res: Response) =>
valueJson: payload
});
invalidatePlatformConfigsCache();
const latest = await resolveWechatPayRuntimeConfig();
res.json({
code: 20000,