From 6df9aa5e86461ec86b724b72796eec99a19514da Mon Sep 17 00:00:00 2001
From: appliedprivacy <33653399+appliedprivacy@users.noreply.github.com>
Date: Sun, 24 Oct 2021 16:00:17 +0000
Subject: [PATCH] add undocumented fd-usage metric

description is copied from dnsdist
https://dnsdist.org/statistics.html#fd-usage
---
 pdns/recursordist/docs/metrics.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pdns/recursordist/docs/metrics.rst b/pdns/recursordist/docs/metrics.rst
index ba40f59a9a..f8993129cf 100644
--- a/pdns/recursordist/docs/metrics.rst
+++ b/pdns/recursordist/docs/metrics.rst
@@ -487,6 +487,10 @@ failed-host-entries
 ^^^^^^^^^^^^^^^^^^^
 number of servers that failed to resolve
 
+fd-usage
+^^^^^^^^
+Number of currently used file descriptors.
+
 ignored-packets
 ^^^^^^^^^^^^^^^
 counts the number of non-query packets received   on server sockets that should only get query packets
-- 
2.47.2