diff --git a/livekit/types.go b/livekit/types.go
index a091440f..27963637 100644
--- a/livekit/types.go
+++ b/livekit/types.go
@@ -14,69 +14,21 @@
 
 package livekit
 
-// ----------------------------------------------------------------
-
 type TrackID string
-
-func StringsAsTrackIDs(trackIDs []string) []TrackID {
-	asTrackID := make([]TrackID, 0, len(trackIDs))
-	for _, trackID := range trackIDs {
-		asTrackID = append(asTrackID, TrackID(trackID))
-	}
-
-	return asTrackID
-}
-
-// ----------------------------------------------------------------
-
 type ParticipantID string
-
-func ParticipantIDsAsStrings(ids []ParticipantID) []string {
-	strs := make([]string, 0, len(ids))
-	for _, id := range ids {
-		strs = append(strs, string(id))
-	}
-	return strs
-}
-
-// ----------------------------------------------------------------
-
 type ParticipantIdentity string
 type ParticipantName string
-
 type RoomID string
-
-// ----------------------------------------------------------------
-
 type RoomName string
-
-func RoomNamesAsStrings(roomNames []RoomName) []string {
-	asString := make([]string, 0, len(roomNames))
-	for _, roomName := range roomNames {
-		asString = append(asString, string(roomName))
-	}
-
-	return asString
-}
-
-func StringsAsRoomNames(roomNames []string) []RoomName {
-	asRoomName := make([]RoomName, 0, len(roomNames))
-	for _, roomName := range roomNames {
-		asRoomName = append(asRoomName, RoomName(roomName))
-	}
-
-	return asRoomName
-}
-
-// ----------------------------------------------------------------
-
 type ConnectionID string
-
-// ----------------------------------------------------------------
-
 type NodeID string
+type ParticipantKey string
+
+type stringTypes interface {
+	ParticipantID | RoomID | TrackID | ParticipantIdentity | ParticipantName | RoomName | ConnectionID | NodeID | ParticipantKey
+}
 
-func NodeIDsAsStrings(ids []NodeID) []string {
+func IDsAsStrings[T stringTypes](ids []T) []string {
 	strs := make([]string, 0, len(ids))
 	for _, id := range ids {
 		strs = append(strs, string(id))
@@ -84,10 +36,14 @@ func NodeIDsAsStrings(ids []NodeID) []string {
 	return strs
 }
 
-// ----------------------------------------------------------------
-type ParticipantKey string
+func StringsAsIDs[T stringTypes](ids []string) []T {
+	asID := make([]T, 0, len(ids))
+	for _, id := range ids {
+		asID = append(asID, T(id))
+	}
 
-// ----------------------------------------------------------------
+	return asID
+}
 
 type Guid interface {
 	TrackID | ParticipantID | RoomID
diff --git a/logger/config.go b/logger/config.go
index bb8a8d08..1d1e7dee 100644
--- a/logger/config.go
+++ b/logger/config.go
@@ -17,8 +17,8 @@ package logger
 import "sync"
 
 type Config struct {
-	JSON  bool   `yaml:"json"`
-	Level string `yaml:"level"`
+	JSON  bool   `yaml:"json,omitempty"`
+	Level string `yaml:"level,omitempty"`
 	// true to enable log sampling, where the same log message and level will be throttled.
 	// we have two layers of sampling
 	// 1. global sampling - within a second, it will log the first SampleInitial, then every SampleInterval messages.
diff --git a/redis/redis.go b/redis/redis.go
index 36ef627e..b5d613db 100644
--- a/redis/redis.go
+++ b/redis/redis.go
@@ -28,21 +28,21 @@ import (
 var ErrNotConfigured = errors.New("Redis is not configured")
 
 type RedisConfig struct {
-	Address           string   `yaml:"address"`
-	Username          string   `yaml:"username"`
-	Password          string   `yaml:"password"`
-	DB                int      `yaml:"db"`
-	UseTLS            bool     `yaml:"use_tls"`
-	MasterName        string   `yaml:"sentinel_master_name"`
-	SentinelUsername  string   `yaml:"sentinel_username"`
-	SentinelPassword  string   `yaml:"sentinel_password"`
-	SentinelAddresses []string `yaml:"sentinel_addresses"`
-	ClusterAddresses  []string `yaml:"cluster_addresses"`
-	DialTimeout       int      `yaml:"dial_timeout"`
-	ReadTimeout       int      `yaml:"read_timeout"`
-	WriteTimeout      int      `yaml:"write_timeout"`
+	Address           string   `yaml:"address,omitempty"`
+	Username          string   `yaml:"username,omitempty"`
+	Password          string   `yaml:"password,omitempty"`
+	DB                int      `yaml:"db,omitempty"`
+	UseTLS            bool     `yaml:"use_tls,omitempty"`
+	MasterName        string   `yaml:"sentinel_master_name,omitempty"`
+	SentinelUsername  string   `yaml:"sentinel_username,omitempty"`
+	SentinelPassword  string   `yaml:"sentinel_password,omitempty"`
+	SentinelAddresses []string `yaml:"sentinel_addresses,omitempty"`
+	ClusterAddresses  []string `yaml:"cluster_addresses,omitempty"`
+	DialTimeout       int      `yaml:"dial_timeout,omitempty"`
+	ReadTimeout       int      `yaml:"read_timeout,omitempty"`
+	WriteTimeout      int      `yaml:"write_timeout,omitempty"`
 	// for clustererd mode only, number of redirects to follow, defaults to 2
-	MaxRedirects *int `yaml:"max_redirects"`
+	MaxRedirects *int `yaml:"max_redirects,omitempty"`
 }
 
 func (r *RedisConfig) IsConfigured() bool {
diff --git a/rpc/egress_client.go b/rpc/egress_client.go
index 2ceab134..1ba52cd5 100644
--- a/rpc/egress_client.go
+++ b/rpc/egress_client.go
@@ -50,7 +50,9 @@ func NewEgressClient(nodeID livekit.NodeID, bus psrpc.MessageBus) (EgressClient,
 			if !errors.As(err, &e) {
 				return true
 			}
-			return e.Code() == psrpc.DeadlineExceeded || e.Code() == psrpc.ResourceExhausted
+			return e.Code() == psrpc.DeadlineExceeded ||
+				e.Code() == psrpc.ResourceExhausted ||
+				e.Code() == psrpc.Unavailable
 		},
 	}))
 	if err != nil {
diff --git a/utils/lock_tracker.go b/utils/lock_tracker.go
index f4ea6d74..6d8d3181 100644
--- a/utils/lock_tracker.go
+++ b/utils/lock_tracker.go
@@ -26,6 +26,7 @@ import (
 var lockTrackerEnabled = false
 var enableLockTrackerOnce sync.Once
 var lowResTime uint32 = uint32(time.Now().Unix())
+var enableLockTrackerStackTrace uint32
 
 // EnableLockTracker enable lock tracking background worker. This should be
 // called during init
@@ -36,6 +37,14 @@ func EnableLockTracker() {
 	})
 }
 
+func ToggleLockTrackerStackTraces(enable bool) {
+	var v uint32
+	if enable {
+		v = 1
+	}
+	atomic.StoreUint32(&enableLockTrackerStackTrace, v)
+}
+
 func updateLowResTime() {
 	ticker := time.NewTicker(time.Second)
 	for t := range ticker.C {
@@ -151,13 +160,15 @@ func (t *lockTracker) trackLock() {
 		if atomic.AddInt32(&t.held, 1) == 1 {
 			atomic.StoreUint32(&t.ts, atomic.LoadUint32(&lowResTime))
 
-			for {
-				n := runtime.Stack(t.stack[:cap(t.stack)], false)
-				if n < cap(t.stack) {
-					t.stack = t.stack[:n]
-					break
+			if atomic.LoadUint32(&enableLockTrackerStackTrace) == 1 {
+				for {
+					n := runtime.Stack(t.stack[:cap(t.stack)], false)
+					if n < cap(t.stack) {
+						t.stack = t.stack[:n]
+						break
+					}
+					t.stack = make([]byte, len(t.stack)*2)
 				}
-				t.stack = make([]byte, len(t.stack)*2)
 			}
 		}
 	}