From f72815e6bdbcb1548db125b81b5cc6cb47161230 Mon Sep 17 00:00:00 2001
From: Jonathan Wilson <jonathan.wilson@mongodb.com>
Date: Tue, 5 Nov 2024 16:28:39 -0800
Subject: [PATCH] DOCSP-44977 notes index build behavior during sync (#463)

---
 source/faq.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/source/faq.txt b/source/faq.txt
index 8ab2775c0..ad7fae829 100644
--- a/source/faq.txt
+++ b/source/faq.txt
@@ -30,6 +30,11 @@ If you write to a synced namespace before issuing a :ref:`commit
 undefined. To ensure that you don't write to any synced namespaces, enable 
 :ref:`write blocking <c2c-write-blocking>`.
 
+.. note::
+   
+   Index builds on the destination cluster are treated as writes 
+   while ``mongosync`` is syncing.
+
 To check the value of ``canWrite``, call the :ref:`progress <c2c-api-progress>` 
 API endpoint.