diff --git a/lib/logstorage/block_result.go b/lib/logstorage/block_result.go
index de6de0721..980b3136e 100644
--- a/lib/logstorage/block_result.go
+++ b/lib/logstorage/block_result.go
@@ -4,6 +4,7 @@ import (
 	"encoding/binary"
 	"math"
 	"slices"
+	"sync/atomic"
 	"time"
 	"unsafe"
 
@@ -12,6 +13,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/encoding"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fastnum"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/slicesutil"
 )
 
 // blockResult holds results for a single block of log entries.
@@ -1512,7 +1514,7 @@ func (c *blockResultColumn) getFloatValueAtRow(rowIdx int) float64 {
 	}
 }
 
-func (c *blockResultColumn) getMaxValue(_ *blockResult) float64 {
+func (c *blockResultColumn) getMaxValue() float64 {
 	if c.isConst {
 		v := c.encodedValues[0]
 		f, ok := tryParseFloat64(v)
@@ -1620,7 +1622,7 @@ func (c *blockResultColumn) getMaxValue(_ *blockResult) float64 {
 	}
 }
 
-func (c *blockResultColumn) getMinValue(_ *blockResult) float64 {
+func (c *blockResultColumn) getMinValue() float64 {
 	if c.isConst {
 		v := c.encodedValues[0]
 		f, ok := tryParseFloat64(v)
@@ -1870,5 +1872,18 @@ func truncateTimestampToYear(timestamp int64) int64 {
 	return time.Date(t.Year(), time.January, 1, 0, 0, 0, 0, time.UTC).UnixNano()
 }
 
+func getEmptyStrings(rowsCount int) []string {
+	p := emptyStrings.Load()
+	if p == nil {
+		values := make([]string, rowsCount)
+		emptyStrings.Store(&values)
+		return values
+	}
+	values := *p
+	return slicesutil.SetLength(values, rowsCount)
+}
+
+var emptyStrings atomic.Pointer[[]string]
+
 var nan = math.NaN()
 var inf = math.Inf(1)
diff --git a/lib/logstorage/stats_count_uniq.go b/lib/logstorage/stats_count_uniq.go
index 3999bab48..354e25813 100644
--- a/lib/logstorage/stats_count_uniq.go
+++ b/lib/logstorage/stats_count_uniq.go
@@ -175,6 +175,7 @@ func (sup *statsCountUniqProcessor) updateStatsForAllRows(br *blockResult) int {
 				stateSizeIncrease += len(keyBuf) + int(unsafe.Sizeof(""))
 			}
 		}
+		sup.keyBuf = keyBuf
 		return stateSizeIncrease
 	}
 
@@ -307,7 +308,7 @@ func (sup *statsCountUniqProcessor) updateStatsForRow(br *blockResult, rowIdx in
 				m[string(keyBuf)] = struct{}{}
 				stateSizeIncrease += len(keyBuf) + int(unsafe.Sizeof(""))
 			}
-			//sup.keyBuf = keyBuf
+			sup.keyBuf = keyBuf
 			return stateSizeIncrease
 		}
 
@@ -324,6 +325,7 @@ func (sup *statsCountUniqProcessor) updateStatsForRow(br *blockResult, rowIdx in
 			m[string(keyBuf)] = struct{}{}
 			stateSizeIncrease += len(keyBuf) + int(unsafe.Sizeof(""))
 		}
+		sup.keyBuf = keyBuf
 		return stateSizeIncrease
 	}
 
diff --git a/lib/logstorage/stats_max.go b/lib/logstorage/stats_max.go
index bfbd959c2..62e215d5f 100644
--- a/lib/logstorage/stats_max.go
+++ b/lib/logstorage/stats_max.go
@@ -38,7 +38,7 @@ func (smp *statsMaxProcessor) updateStatsForAllRows(br *blockResult) int {
 	if smp.sm.containsStar {
 		// Find the maximum value across all the columns
 		for _, c := range br.getColumns() {
-			f := c.getMaxValue(br)
+			f := c.getMaxValue()
 			if f > smp.max || math.IsNaN(smp.max) {
 				smp.max = f
 			}
@@ -47,7 +47,7 @@ func (smp *statsMaxProcessor) updateStatsForAllRows(br *blockResult) int {
 		// Find the maximum value across the requested columns
 		for _, field := range smp.sm.fields {
 			c := br.getColumnByName(field)
-			f := c.getMaxValue(br)
+			f := c.getMaxValue()
 			if f > smp.max || math.IsNaN(smp.max) {
 				smp.max = f
 			}
diff --git a/lib/logstorage/stats_min.go b/lib/logstorage/stats_min.go
index 5aa20a6d0..bf157cb20 100644
--- a/lib/logstorage/stats_min.go
+++ b/lib/logstorage/stats_min.go
@@ -38,7 +38,7 @@ func (smp *statsMinProcessor) updateStatsForAllRows(br *blockResult) int {
 	if smp.sm.containsStar {
 		// Find the minimum value across all the columns
 		for _, c := range br.getColumns() {
-			f := c.getMinValue(br)
+			f := c.getMinValue()
 			if f < smp.min || math.IsNaN(smp.min) {
 				smp.min = f
 			}
@@ -47,7 +47,7 @@ func (smp *statsMinProcessor) updateStatsForAllRows(br *blockResult) int {
 		// Find the minimum value across the requested columns
 		for _, field := range smp.sm.fields {
 			c := br.getColumnByName(field)
-			f := c.getMinValue(br)
+			f := c.getMinValue()
 			if f < smp.min || math.IsNaN(smp.min) {
 				smp.min = f
 			}
diff --git a/lib/logstorage/storage_search.go b/lib/logstorage/storage_search.go
index 10e924697..c8fe9df1a 100644
--- a/lib/logstorage/storage_search.go
+++ b/lib/logstorage/storage_search.go
@@ -6,10 +6,8 @@ import (
 	"slices"
 	"sort"
 	"sync"
-	"sync/atomic"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/cgroup"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/slicesutil"
 )
 
 // genericSearchOptions contain options used for search.
@@ -164,19 +162,6 @@ func (c *BlockColumn) reset() {
 	c.Values = nil
 }
 
-func getEmptyStrings(rowsCount int) []string {
-	p := emptyStrings.Load()
-	if p == nil {
-		values := make([]string, rowsCount)
-		emptyStrings.Store(&values)
-		return values
-	}
-	values := *p
-	return slicesutil.SetLength(values, rowsCount)
-}
-
-var emptyStrings atomic.Pointer[[]string]
-
 // The number of blocks to search at once by a single worker
 //
 // This number must be increased on systems with many CPU cores in order to amortize
diff --git a/lib/logstorage/values_encoder.go b/lib/logstorage/values_encoder.go
index 70f4c1f5f..cb0cee7b8 100644
--- a/lib/logstorage/values_encoder.go
+++ b/lib/logstorage/values_encoder.go
@@ -1096,11 +1096,7 @@ func (vd *valuesDict) copyFrom(a *arena, src *valuesDict) {
 func (vd *valuesDict) copyFromNoArena(src *valuesDict) {
 	vd.reset()
 
-	dstValues := vd.values
-	for _, v := range src.values {
-		dstValues = append(dstValues, v)
-	}
-	vd.values = dstValues
+	vd.values = append(vd.values[:0], src.values...)
 }
 
 func (vd *valuesDict) getOrAdd(k string) (byte, bool) {
diff --git a/lib/streamaggr/rate.go b/lib/streamaggr/rate.go
index af8fe0786..4a4727c93 100644
--- a/lib/streamaggr/rate.go
+++ b/lib/streamaggr/rate.go
@@ -103,7 +103,7 @@ func (as *rateAggrState) pushSamples(samples []pushSample) {
 	}
 }
 
-func (as *rateAggrState) flushState(ctx *flushCtx, resetState bool) {
+func (as *rateAggrState) flushState(ctx *flushCtx, _ bool) {
 	currentTime := fasttime.UnixTimestamp()
 	currentTimeMsec := int64(currentTime) * 1000