From: Zac Dover <zac.dover@proton.me>
Date: Wed, 14 Feb 2024 15:32:40 +0000 (+1000)
Subject: doc/rados: add link to pg blog post
X-Git-Tag: v17.2.8~523^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=a6e1519f03d124e40a9540ecdc0b94b6883eecd3;p=ceph.git

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)
---

diff --git a/doc/rados/operations/placement-groups.rst b/doc/rados/operations/placement-groups.rst
index 3a099d9dd074..0ecf77fa38b7 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