diff --git a/DEPS.bzl b/DEPS.bzl
index 63493ba68b65..c6746f74e8b2 100644
--- a/DEPS.bzl
+++ b/DEPS.bzl
@@ -1848,10 +1848,10 @@ def go_deps():
         patches = [
             "@com_github_cockroachdb_cockroach//build/patches:com_github_cockroachdb_pebble.patch",
         ],
-        sha256 = "95d5b020636d314f7fae6221a21afcee17ec5c1c55c368ec7d409ba238ffc5f6",
-        strip_prefix = "github.com/cockroachdb/pebble@v0.0.0-20240917211111-c826c0a21671",
+        sha256 = "23f265df2d72be18f8f4f7b770a1b893c323590f904dee8faa1343376aa5d195",
+        strip_prefix = "github.com/cockroachdb/pebble@v0.0.0-20240923205819-785dc8d817a4",
         urls = [
-            "https://storage.googleapis.com/cockroach-godeps/gomod/github.com/cockroachdb/pebble/com_github_cockroachdb_pebble-v0.0.0-20240917211111-c826c0a21671.zip",
+            "https://storage.googleapis.com/cockroach-godeps/gomod/github.com/cockroachdb/pebble/com_github_cockroachdb_pebble-v0.0.0-20240923205819-785dc8d817a4.zip",
         ],
     )
     go_repository(
diff --git a/build/bazelutil/distdir_files.bzl b/build/bazelutil/distdir_files.bzl
index f61619812c63..2a32e08ce537 100644
--- a/build/bazelutil/distdir_files.bzl
+++ b/build/bazelutil/distdir_files.bzl
@@ -348,7 +348,7 @@ DISTDIR_FILES = {
     "https://storage.googleapis.com/cockroach-godeps/gomod/github.com/cockroachdb/gostdlib/com_github_cockroachdb_gostdlib-v1.19.0.zip": "c4d516bcfe8c07b6fc09b8a9a07a95065b36c2855627cb3514e40c98f872b69e",
     "https://storage.googleapis.com/cockroach-godeps/gomod/github.com/cockroachdb/logtags/com_github_cockroachdb_logtags-v0.0.0-20230118201751-21c54148d20b.zip": "ca7776f47e5fecb4c495490a679036bfc29d95bd7625290cfdb9abb0baf97476",
     "https://storage.googleapis.com/cockroach-godeps/gomod/github.com/cockroachdb/metamorphic/com_github_cockroachdb_metamorphic-v0.0.0-20231108215700-4ba948b56895.zip": "28c8cf42192951b69378cf537be5a9a43f2aeb35542908cc4fe5f689505853ea",
-    "https://storage.googleapis.com/cockroach-godeps/gomod/github.com/cockroachdb/pebble/com_github_cockroachdb_pebble-v0.0.0-20240917211111-c826c0a21671.zip": "95d5b020636d314f7fae6221a21afcee17ec5c1c55c368ec7d409ba238ffc5f6",
+    "https://storage.googleapis.com/cockroach-godeps/gomod/github.com/cockroachdb/pebble/com_github_cockroachdb_pebble-v0.0.0-20240923205819-785dc8d817a4.zip": "23f265df2d72be18f8f4f7b770a1b893c323590f904dee8faa1343376aa5d195",
     "https://storage.googleapis.com/cockroach-godeps/gomod/github.com/cockroachdb/redact/com_github_cockroachdb_redact-v1.1.5.zip": "11b30528eb0dafc8bc1a5ba39d81277c257cbe6946a7564402f588357c164560",
     "https://storage.googleapis.com/cockroach-godeps/gomod/github.com/cockroachdb/returncheck/com_github_cockroachdb_returncheck-v0.0.0-20200612231554-92cdbca611dd.zip": "ce92ba4352deec995b1f2eecf16eba7f5d51f5aa245a1c362dfe24c83d31f82b",
     "https://storage.googleapis.com/cockroach-godeps/gomod/github.com/cockroachdb/stress/com_github_cockroachdb_stress-v0.0.0-20220803192808-1806698b1b7b.zip": "3fda531795c600daf25532a4f98be2a1335cd1e5e182c72789bca79f5f69fcc1",
diff --git a/go.mod b/go.mod
index 5d0cc0706d7e..e1174843437e 100644
--- a/go.mod
+++ b/go.mod
@@ -134,7 +134,7 @@ require (
 	github.com/cockroachdb/go-test-teamcity v0.0.0-20191211140407-cff980ad0a55
 	github.com/cockroachdb/gostdlib v1.19.0
 	github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b
-	github.com/cockroachdb/pebble v0.0.0-20240917211111-c826c0a21671
+	github.com/cockroachdb/pebble v0.0.0-20240923205819-785dc8d817a4
 	github.com/cockroachdb/redact v1.1.5
 	github.com/cockroachdb/returncheck v0.0.0-20200612231554-92cdbca611dd
 	github.com/cockroachdb/stress v0.0.0-20220803192808-1806698b1b7b
diff --git a/go.sum b/go.sum
index b5836d0816ed..70f9d65d402d 100644
--- a/go.sum
+++ b/go.sum
@@ -551,8 +551,8 @@ github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b h1:r6VH0faHjZe
 github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b/go.mod h1:Vz9DsVWQQhf3vs21MhPMZpMGSht7O/2vFW2xusFUVOs=
 github.com/cockroachdb/metamorphic v0.0.0-20231108215700-4ba948b56895 h1:XANOgPYtvELQ/h4IrmPAohXqe2pWA8Bwhejr3VQoZsA=
 github.com/cockroachdb/metamorphic v0.0.0-20231108215700-4ba948b56895/go.mod h1:aPd7gM9ov9M8v32Yy5NJrDyOcD8z642dqs+F0CeNXfA=
-github.com/cockroachdb/pebble v0.0.0-20240917211111-c826c0a21671 h1:CJrNNft8BOIke5WtJX0WzwSEq0GM0TaQbUozObb3veg=
-github.com/cockroachdb/pebble v0.0.0-20240917211111-c826c0a21671/go.mod h1:LaF8D6p4Ko4EWprBmrcDs7FrmZYgDExF7dJyPvbq3Y4=
+github.com/cockroachdb/pebble v0.0.0-20240923205819-785dc8d817a4 h1:oGsvcWxbx8fKwTOICX5g16XvXMAQ8YFAfsxxeHXbGrg=
+github.com/cockroachdb/pebble v0.0.0-20240923205819-785dc8d817a4/go.mod h1:LaF8D6p4Ko4EWprBmrcDs7FrmZYgDExF7dJyPvbq3Y4=
 github.com/cockroachdb/redact v1.1.3/go.mod h1:BVNblN9mBWFyMyqK1k3AAiSxhvhfK2oOZZ2lK+dpvRg=
 github.com/cockroachdb/redact v1.1.5 h1:u1PMllDkdFfPWaNGMyLD1+so+aq3uUItthCFqzwPJ30=
 github.com/cockroachdb/redact v1.1.5/go.mod h1:BVNblN9mBWFyMyqK1k3AAiSxhvhfK2oOZZ2lK+dpvRg=
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
diff --git a/pkg/kv/kvserver/kvflowcontrol/replica_rac2/processor.go b/pkg/kv/kvserver/kvflowcontrol/replica_rac2/processor.go
index 1d2cbb074ba9..cc632700afa0 100644
--- a/pkg/kv/kvserver/kvflowcontrol/replica_rac2/processor.go
+++ b/pkg/kv/kvserver/kvflowcontrol/replica_rac2/processor.go
@@ -545,6 +545,7 @@ func (p *processorImpl) SetEnabledWhenLeaderRaftMuLocked(
 		p.desc.replicas == nil {
 		return
 	}
+	log.VEventf(ctx, 1, "enabled v2 protocol using v1 priority encoding")
 	// May need to create RangeController.
 	var leaderID roachpb.ReplicaID
 	var term uint64