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Secretly eating Ram without being considerate of the price now 🍋

More recently, Windows 11 began to be increasingly questioned by users about the use of system resources, especially RAM, because Microsoft began to automate the behavior of several system services since it was turned on in Windows 11 versions 24H2, 25H2, as well as Windows Server 2025, from the original running only when needed, resulting in some services running behind the scenes all the time without the user realizing it.

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One of the most watched services, Delivery Optimization, the main feature of Windows Update, is responsible for helping distribute peer-to-peer update files to reduce net usage and speed up updates.

But there was a Reddit user called Niff _ Naff who did a real test, following the Delivery Optimization process that the system used called DoSvc for a long period of time. The result was that DoSvc had increased RAM consumption, even without downloading any updates, and no memory returned to the system.

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This behavior networks memory leaks or can be caused by inefficient memory management, causing a machine with 8GB or 16GB of RAM to experience problems that are used gradually.

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Although Delivery Optimization is designed for speed and bandwidth savings, behind-the-scenes operation that requires RAM for cache and constantly on the connection, bugs can become a system burden. Instead, we can access Settings > Windows Update > Advanced options > Delivery Optimization to limit or disable file sharing updates.

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This clearly reflects the overview of Windows 11. The problem is not just the increased features, but also the management of resources invisible to users. It's no surprise that Microsoft is starting to recommend that modern PCs should have at least 16GB of RAM to support more and more concurrent system services.

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Source: neowin

# IT News # Includes IT matters # Cough to know # IT

2025/12/25 Edited to

... Read moreถ้าเจอคำว่า “Delivery Optimization Files” ใน Windows 11 แล้วงงว่ามันคืออะไร (หรือรู้สึกว่าเครื่องเริ่มอืด RAM ขึ้นเรื่อย ๆ) อธิบายแบบบ้าน ๆ คือมันเป็นระบบช่วย “กระจายไฟล์อัปเดต Windows Update” ให้ดาวน์โหลดเร็วขึ้น โดยใช้วิธีแชร์/รับไฟล์แบบ peer‑to‑peer ได้ คล้าย ๆ การแบ่งกันโหลดในเครือข่ายเดียวกัน หรือบางครั้งมาจาก/ไปยังเครื่องอื่นบนอินเทอร์เน็ต (ขึ้นกับที่เราตั้งค่าไว้) สิ่งที่หลายคนเห็นใน Task Manager คือโปรเซสชื่อ DoSvc (Delivery Optimization) ที่คอยทำงานเบื้องหลังเพื่อจัดการแคช (cache) และการเชื่อมต่อไว้พร้อมใช้งาน จุดนี้เองที่ทำให้บางเครื่อง “รู้สึกเหมือนกิน RAM” แม้ไม่ได้กดอัปเดตอะไร เพราะมันอาจสะสมแคช/ใช้หน่วยความจำต่อเนื่อง และถ้าไปเจอบั๊กก็มีโอกาสเข้าข่าย memory leak ได้เหมือนกัน (อาการคือใช้ไปนาน ๆ RAM สูงขึ้นและไม่ค่อยคืน) Delivery Optimization Files โดยมากหมายถึง “ไฟล์แคช/ไฟล์อัปเดตที่เก็บไว้เพื่อเร่งการอัปเดตและใช้แชร์ให้เครื่องอื่น” ไม่ใช่ไวรัส แต่ถ้าคุณใช้เน็ตบ้านคนเดียว ไม่ได้อยากแชร์ให้ใคร หรือเครื่องมี RAM 8GB/16GB แล้วเริ่มตึง ๆ การปิดหรือจำกัดไว้จะช่วยให้สบายขึ้น วิธีปิด/จำกัด Delivery Optimization (ทำตามนี้ได้เลย) 1) ไปที่ Settings 2) Windows Update 3) Advanced options 4) Delivery Optimization 5) ปิด “Allow downloads from other PCs” (หรือเลือกเฉพาะ “PCs on my local network” แทนอินเทอร์เน็ต) ทริคที่ผมลองแล้วช่วยลดภาระเครื่อง (สำหรับคนที่ RAM ขึ้นสูง) - รีสตาร์ตเครื่องหลังอัปเดตใหญ่ ๆ: DoSvc มักค้าง/สะสมหลังมีอัปเดต - เคลียร์ไฟล์ชั่วคราว: ไปที่ Settings > System > Storage > Temporary files แล้วลบหมวดที่เกี่ยวกับ Windows Update/Delivery Optimization (ถ้ามีให้เลือก) - จำกัดการใช้งานแบนด์วิดท์/อัปโหลด: ในหน้า Delivery Optimization จะมี Advanced options ให้ตั้งเพดานได้ ลดทั้งเน็ตและงานเบื้องหลัง สรุปคือ Delivery Optimization Files เป็นของ Windows เอง มีประโยชน์เรื่องความเร็วอัปเดต แต่ถ้าคุณเน้นเครื่องลื่น ๆ และไม่จำเป็นต้องแชร์ไฟล์อัปเดต การปิดไว้ถือว่าปลอดภัยและช่วยลดการใช้ทรัพยากร โดยเฉพาะช่วงที่บางเวอร์ชันมีรายงานว่ากิน RAM สูง (บางคนเจอเกือบ 700MB ทั้งที่ไม่ได้ใช้งาน)

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