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Virtual Memory

103 articles · Page 2 of 2

Oct 6, 2016 · Fundamentals

Understanding Linux’s Three‑Tier Physical Memory and Virtual Page Table Architecture

This article explains Linux’s hardware‑independent three‑tier physical memory model (node, zone, page) and the three‑level virtual memory page‑table hierarchy (PGD, PMD, PTE), including key macros, structure definitions, and the macros used to walk the tables from a virtual address to a physical page.

LinuxMemory ManagementVirtual Memory

0 likes · 6 min read

Understanding Linux’s Three‑Tier Physical Memory and Virtual Page Table Architecture

MaGe Linux Operations

May 18, 2016 · Fundamentals

Understanding Linux Memory Architecture: Physical, Virtual, and Management

This article explains Linux's memory architecture, covering physical and virtual memory differences between 32‑bit and 64‑bit systems, memory zones, the buddy allocator, page reclamation, and swap handling, providing essential knowledge for performance tuning and system optimization.

LinuxMemory ManagementPerformance Tuning

0 likes · 11 min read

Understanding Linux Memory Architecture: Physical, Virtual, and Management

ITPUB

Mar 4, 2016 · Databases

Debunking the Top 3 Myths About Modern In-Memory Databases

While in‑memory databases promise blazing speed, developers often overlook critical issues such as memory capacity limits, the complexities of moving from 32‑bit to 64‑bit architectures, and the constraints imposed by virtual memory and swap space, all of which can dramatically affect performance and scalability.

64-bit architectureVirtual Memorydatabase scalability

0 likes · 5 min read

Debunking the Top 3 Myths About Modern In-Memory Databases