Java Tech Enthusiast
Mar 26, 2025 · Fundamentals
Understanding PageCache: The Secret Behind Faster File Access
PageCache is an operating‑system mechanism that uses physical memory to cache disk blocks, dynamically resizing with available RAM and employing LRU replacement and read‑ahead, turning slow storage accesses into fast memory reads, yielding up to twenty‑fold speed gains for tasks such as compilation, video editing, and database operations.
File I/OLinuxMemory Management
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