https://nalar.dev/tags/procfs/ Recent content in Procfs on Nalar Hugo en-us Wed, 02 Sep 2026 00:00:00 +0700 https://nalar.dev/diagnosing-file-descriptor-leaks-on-linux-with-procfs/ Wed, 02 Sep 2026 00:00:00 +0700 https://nalar.dev/diagnosing-file-descriptor-leaks-on-linux-with-procfs/ <p>A Linux process uses file descriptors for more than ordinary files. Network sockets, pipes, event descriptors, terminals, and many other kernel objects appear through the same integer-based interface.</p> <p>When a service slowly accumulates descriptors, it may eventually fail with <code>Too many open files</code>, stop accepting connections, or behave unpredictably under load. Linux procfs provides enough information to investigate many descriptor leaks without installing extra tools.</p> <h2 id="start-by-counting-descriptors">Start by counting descriptors</h2> <p>For a known process ID:</p>