From dcd78d9266d0cdc958579f387409b0fe5229aa76 Mon Sep 17 00:00:00 2001
From: Zac Dover <zac.dover@proton.me>
Date: Thu, 15 Feb 2024 01:32:40 +1000
Subject: [PATCH] doc/rados: add link to pg blog post

Add a link in the "Placement Groups" section that links to Sage Weil's
April 5, 2019 blog post "New in Nautilus: PG merging and autotuning".

Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit 9344893e0857be8c6ae134f6d4d5e9057e2cb99e)
---
 doc/rados/operations/placement-groups.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/rados/operations/placement-groups.rst b/doc/rados/operations/placement-groups.rst
index fb21863bb0983..2e2e385a5161b 100644
--- a/doc/rados/operations/placement-groups.rst
+++ b/doc/rados/operations/placement-groups.rst
@@ -4,6 +4,11 @@
  Placement Groups
 ==================
 
+See Sage Weil's blog post `New in Nautilus: PG merging and autotuning
+<https://ceph.io/en/news/blog/2019/new-in-nautilus-pg-merging-and-autotuning/>`_
+for information about the relationship of placement groups to pools and to
+objects.
+
 .. _pg-autoscaler:
 
 Autoscaling placement groups
-- 
2.39.5