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procfs

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IT Services Circle
IT Services Circle
Jan 12, 2023 · Fundamentals

Understanding Linux Load Average: Calculation, Exposure, and Relation to CPU Usage

Linux load average, a key performance metric, is computed by periodically aggregating per‑CPU runnable and uninterruptible task counts into a global instantaneous load, then applying an exponential weighted moving average to produce 1‑, 5‑, and 15‑minute averages, which are exposed to user space via the /proc/loadavg pseudo‑file.

EWMAKernellinux
0 likes · 18 min read
Understanding Linux Load Average: Calculation, Exposure, and Relation to CPU Usage
Aikesheng Open Source Community
Aikesheng Open Source Community
Sep 11, 2020 · Databases

Recovering Accidentally Deleted InnoDB .ibd Files Using Procfs File Handles

This article demonstrates how to recover mistakenly deleted InnoDB .ibd files by locating the open file handle through Linux procfs, locking database traffic, copying the hidden file, and restoring it to a running MySQL instance.

Data recoveryFile HandlesInnoDB
0 likes · 3 min read
Recovering Accidentally Deleted InnoDB .ibd Files Using Procfs File Handles