The article details the optimization of KIO's file copy performance in KDE, addressing a long-standing bug where copying many small files was significantly slower than alternatives like rsync. The author analyzes the bottlenecks, including excessive syscalls and socket round-trips, and discusses improvements made across KIO versions.
Background
KIO is a core component of KDE software handling file operations, but it has historically struggled with efficiency when dealing with large numbers of small files. This issue was highlighted by a bug report from 2014 that remained unresolved for years.
- Source
- Lobsters
- Published
- Jul 28, 2026 at 06:11 PM
- Score
- 7.0 / 10