Telescope: Telemetry for Gargantuan Memory Footprint Applications

Explore a groundbreaking conference talk on Telescope, a novel telemetry technique for applications with massive memory footprints. Discover how this innovative approach profiles different levels of the application's page table tree to quickly and efficiently identify hot and cold data in terabyte-scale systems. Learn about the challenges faced by existing telemetry techniques and how Telescope addresses them, achieving over 90% precision and recall with minimal CPU utilization. Understand the potential impact of this technology on memory tiering in data centers, leading to significant throughput improvements for real-world benchmarks with 1-2 TB memory footprints. Gain insights into how Telescope can scale to petabyte-scale applications, paving the way for more efficient memory management in large-scale computing environments.

USENIX ATC '24 - Telescope: Telemetry for Gargantuan Memory Footprint Applications