diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index a9881e6944..0b01da6594 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -1139,7 +1139,7 @@ quotaAndLimits:
       # DML rates would be reduced according to the ratio of time tick delay to maxTimeTickDelay,
       # if time tick delay is greater than maxTimeTickDelay, all DML requests would be rejected.
       # seconds
-      maxTimeTickDelay: 300
+      maxTimeTickDelay: 1200
     memProtection:
       # When memory usage > memoryHighWaterLevel, all dml requests would be rejected;
       # When memoryLowWaterLevel < memory usage < memoryHighWaterLevel, reduce the dml rate;
diff --git a/internal/rootcoord/quota_center.go b/internal/rootcoord/quota_center.go
index 41ecfd6aea..39c0c0a13d 100644
--- a/internal/rootcoord/quota_center.go
+++ b/internal/rootcoord/quota_center.go
@@ -920,9 +920,11 @@ func (q *QuotaCenter) calculateWriteRates() error {
 			internalpb.RateType_DMLUpsert, collectionLimiter)
 		q.guaranteeMinRate(getCollectionRateLimitConfig(collectionProps, common.CollectionDeleteRateMinKey),
 			internalpb.RateType_DMLDelete, collectionLimiter)
-		log.RatedDebug(10, "QuotaCenter cool write rates off done",
-			zap.Int64("collectionID", collection),
-			zap.Float64("factor", factor))
+		if factor < 1.0 {
+			log.RatedDebug(10, "QuotaCenter cool write rates off done",
+				zap.Int64("collectionID", collection),
+				zap.Float64("factor", factor))
+		}
 	}
 
 	if len(ttCollections) > 0 {
@@ -1014,16 +1016,17 @@ func (q *QuotaCenter) getTimeTickDelayFactor(ts Timestamp) map[int64]float64 {
 			continue
 		}
 		factor := float64(maxDelay.Nanoseconds()-curMaxDelay.Nanoseconds()) / float64(maxDelay.Nanoseconds())
-		if factor <= 0.9 {
+		if factor <= 0.95 {
 			log.RatedWarn(10, "QuotaCenter: limit writing due to long timeTick delay",
 				zap.Int64("collectionID", collectionID),
 				zap.Time("curTs", t1),
 				zap.Duration("delay", curMaxDelay),
 				zap.Duration("MaxDelay", maxDelay),
 				zap.Float64("factor", factor))
+			collectionFactor[collectionID] = factor
+			continue
 		}
-
-		collectionFactor[collectionID] = factor
+		collectionFactor[collectionID] = 1.0
 	}
 
 	return collectionFactor
diff --git a/pkg/util/paramtable/quota_param.go b/pkg/util/paramtable/quota_param.go
index 9456382a1e..05a5f69e95 100644
--- a/pkg/util/paramtable/quota_param.go
+++ b/pkg/util/paramtable/quota_param.go
@@ -1689,7 +1689,7 @@ specific conditions, such as memory of nodes to water marker), ` + "true" + ` me
 	}
 	p.TtProtectionEnabled.Init(base.mgr)
 
-	const defaultMaxTtDelay = "300.0"
+	const defaultMaxTtDelay = "1200.0"
 	p.MaxTimeTickDelay = ParamItem{
 		Key:          "quotaAndLimits.limitWriting.ttProtection.maxTimeTickDelay",
 		Version:      "2.2.0",
diff --git a/pkg/util/paramtable/quota_param_test.go b/pkg/util/paramtable/quota_param_test.go
index 0e555b777a..62dd77eb05 100644
--- a/pkg/util/paramtable/quota_param_test.go
+++ b/pkg/util/paramtable/quota_param_test.go
@@ -207,7 +207,7 @@ func TestQuotaParam(t *testing.T) {
 	t.Run("test limit writing", func(t *testing.T) {
 		assert.False(t, qc.ForceDenyWriting.GetAsBool())
 		assert.Equal(t, true, qc.TtProtectionEnabled.GetAsBool())
-		assert.Equal(t, 300, qc.MaxTimeTickDelay.GetAsInt())
+		assert.Equal(t, 1200, qc.MaxTimeTickDelay.GetAsInt())
 		assert.Equal(t, defaultLowWaterLevel, qc.DataNodeMemoryLowWaterLevel.GetAsFloat())
 		assert.Equal(t, defaultHighWaterLevel, qc.DataNodeMemoryHighWaterLevel.GetAsFloat())
 		assert.Equal(t, defaultLowWaterLevel, qc.QueryNodeMemoryLowWaterLevel.GetAsFloat())