diff --git a/lib/storage/partition.go b/lib/storage/partition.go
index b4cb31749..f2df3f85d 100644
--- a/lib/storage/partition.go
+++ b/lib/storage/partition.go
@@ -431,20 +431,24 @@ func (pt *partition) AddRows(rows []rawRow) {
 		return
 	}
 
-	// Validate all the rows.
-	for i := range rows {
-		r := &rows[i]
-		if !pt.HasTimestamp(r.Timestamp) {
-			logger.Panicf("BUG: row %+v has Timestamp outside partition %q range %+v", r, pt.smallPartsPath, &pt.tr)
-		}
-		if err := encoding.CheckPrecisionBits(r.PrecisionBits); err != nil {
-			logger.Panicf("BUG: row %+v has invalid PrecisionBits: %s", r, err)
+	if isDebug {
+		// Validate all the rows.
+		for i := range rows {
+			r := &rows[i]
+			if !pt.HasTimestamp(r.Timestamp) {
+				logger.Panicf("BUG: row %+v has Timestamp outside partition %q range %+v", r, pt.smallPartsPath, &pt.tr)
+			}
+			if err := encoding.CheckPrecisionBits(r.PrecisionBits); err != nil {
+				logger.Panicf("BUG: row %+v has invalid PrecisionBits: %s", r, err)
+			}
 		}
 	}
 
 	pt.rawRows.addRows(pt, rows)
 }
 
+var isDebug = false
+
 type rawRowsShards struct {
 	shardIdx uint32
 
diff --git a/lib/storage/table_search_timing_test.go b/lib/storage/table_search_timing_test.go
index 9025bef8a..a834924f1 100644
--- a/lib/storage/table_search_timing_test.go
+++ b/lib/storage/table_search_timing_test.go
@@ -14,6 +14,7 @@ import (
 )
 
 func TestMain(m *testing.M) {
+	isDebug = true
 	n := m.Run()
 	if err := os.RemoveAll("benchmarkTableSearch"); err != nil {
 		panic(fmt.Errorf("cannot remove benchmark tables: %w", err))