From 80ebf2d7b253730ffece28018705c3e0b4247bb2 Mon Sep 17 00:00:00 2001
From: Ivan Kozlovic <ivan@synadia.com>
Date: Tue, 31 Aug 2021 15:11:32 -0600
Subject: [PATCH] Add a comment to explain that we want to make a copy of the
 config

Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
---
 server/monitor.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/server/monitor.go b/server/monitor.go
index 7349bc87345..40eb67dac4e 100644
--- a/server/monitor.go
+++ b/server/monitor.go
@@ -1262,6 +1262,8 @@ func (s *Server) HandleRoot(w http.ResponseWriter, r *http.Request) {
 func (s *Server) updateJszVarz(js *jetStream, v *JetStreamVarz, doConfig bool) {
 	if doConfig {
 		js.mu.RLock()
+		// We want to snapshot the config since it will then be available outside
+		// of the js lock. So make a copy first, then point to this copy.
 		cfg := js.config
 		v.Config = &cfg
 		js.mu.RUnlock()