預防流量雪崩：Vercel CDN 推出 Request Collapsing（請求合併）技術
Original: Preventing the stampede: Request collapsing in the Vercel CDN
The Vercel official blog has announced the formal introduction of "Request Collapsing" technology into its global CDN, aimed at solving the…
Vercel 宣布在其 CDN 中啟用 Request Collapsing（請求合併）功能。當熱門網頁的快取過期時，此技術能將瞬間湧入的數個相同請求合併為單一請求發往源伺服器，避免後端 Serverless 函式因「快取擊穿（Cache Stampede）」而過載。這不僅提升了網站的高併發效能，還能顯著降低開發者的 Vercel 帳單費用。
The Vercel official blog has announced the formal introduction of "Request Collapsing" technology into its global CDN, aimed at solving the well-known "Cache Stampede" (also called the Thundering Herd effect) problem in web development.
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