From 5dfe8b9b22ce05aa02964555bca98194b1a7b122 Mon Sep 17 00:00:00 2001
From: Austen McClernon <austen@cockroachlabs.com>
Date: Fri, 20 Sep 2024 11:21:36 -0400
Subject: [PATCH] rac2: vlog when replica transitions to probe

Part of: #130187
Release note: None
---
 pkg/kv/kvserver/kvflowcontrol/rac2/range_controller.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkg/kv/kvserver/kvflowcontrol/rac2/range_controller.go b/pkg/kv/kvserver/kvflowcontrol/rac2/range_controller.go
index 20cc42f4116e..b21d1d9175e1 100644
--- a/pkg/kv/kvserver/kvflowcontrol/rac2/range_controller.go
+++ b/pkg/kv/kvserver/kvflowcontrol/rac2/range_controller.go
@@ -855,6 +855,8 @@ func (rss *replicaSendStream) closeLocked(ctx context.Context) {
 }
 
 func (rss *replicaSendStream) changeToProbeLocked(ctx context.Context, now time.Time) {
+	log.VEventf(ctx, 1, "r%v:%v stream %v changing to probe",
+		rss.parent.parent.opts.RangeID, rss.parent.desc, rss.parent.stream)
 	// This is the first time we've seen the replica change to StateProbe,
 	// update the connected state and start time. If the state doesn't
 	// change within probeRecentlyReplicateDuration, we will close the