min_free_kbytes

Aikesheng Open Source Community

Sep 21, 2022 · Operations

Understanding MemAvailable and min_free_kbytes in Linux: Why free -m Shows Different Values and How to Adjust for OceanBase Installation

The article explains why the free command reports more memory than the available column, describes how the kernel calculates MemAvailable using min_free_kbytes and watermarks, and provides practical guidance on tuning min_free_kbytes to meet OceanBase's memory requirements.

MemAvailableMemory ManagementOceanBase

0 likes · 6 min read

Understanding MemAvailable and min_free_kbytes in Linux: Why free -m Shows Different Values and How to Adjust for OceanBase Installation

Kuaishou Tech

Jan 14, 2022 · Operations

Analysis of Linux System Crash Caused by Memory Leak and the Role of min_free_kbytes

This article documents a system crash triggered by a memory‑leak in a network‑chip SDK, explains how low free memory and the kswapd process lead to deadlock, and shows how adjusting the kernel parameter min_free_kbytes can prevent the freeze while highlighting the importance of resource monitoring and tuning.

kswapdlinuxmemory-leak

0 likes · 11 min read

Analysis of Linux System Crash Caused by Memory Leak and the Role of min_free_kbytes