diff --git a/pkg/collectconfig/executor/consumer_log_sub_analysis.go b/pkg/collectconfig/executor/consumer_log_sub_analysis.go
index f613b29..50234df 100644
--- a/pkg/collectconfig/executor/consumer_log_sub_analysis.go
+++ b/pkg/collectconfig/executor/consumer_log_sub_analysis.go
@@ -139,8 +139,8 @@ func (c *logAnalysisSubConsumer) ProcessGroup(iw *inputWrapper, ctx *LogContext,
 
 func (c *logAnalysisSubConsumer) Emit(expectedTs int64) bool {
 	var state *logAnalysisSubConsumerState
-	c.parent.timeline.View(func(timeline *storage.Timeline) {
-		shard := c.parent.timeline.GetShard(expectedTs)
+	c.parent.timeline.Update(func(timeline *storage.Timeline) {
+		shard := c.parent.timeline.GetShard(expectedTs, true)
 		if shard == nil {
 			return
 		}
diff --git a/pkg/collectconfig/executor/consumer_log_sub_stat.go b/pkg/collectconfig/executor/consumer_log_sub_stat.go
index b483a08..dddbe2f 100644
--- a/pkg/collectconfig/executor/consumer_log_sub_stat.go
+++ b/pkg/collectconfig/executor/consumer_log_sub_stat.go
@@ -145,14 +145,13 @@ func (c *logStatSubConsumer) ProcessGroup(iw *inputWrapper, ctx *LogContext, max
 }
 
 func (c *logStatSubConsumer) Emit(expectedTs int64) bool {
-
 	// TODO 取走数据后给shard打一个标记, 表示已经取走数据了
 	// 下次如果还往该shard写数据, 这这些数据是旧的
 	// TODO 我们的case里是可以幂等写的!!!
 
 	var datum []*model.DetailData
-	c.parent.timeline.View(func(timeline *storage.Timeline) {
-		shard := timeline.GetShard(expectedTs)
+	c.parent.timeline.Update(func(timeline *storage.Timeline) {
+		shard := timeline.GetShard(expectedTs, true)
 		if shard == nil {
 			logger.Infoz("[consumer] [log] emit nil", //
 				zap.String("key", c.parent.key),            //
diff --git a/pkg/collectconfig/executor/storage/storage.go b/pkg/collectconfig/executor/storage/storage.go
index 661b0d3..04c3940 100644
--- a/pkg/collectconfig/executor/storage/storage.go
+++ b/pkg/collectconfig/executor/storage/storage.go
@@ -78,6 +78,10 @@ func (s *Storage) GetTimeline(key string) *Timeline {
 	return s.timelines[key]
 }
 
+func (s *Storage) InternalGetTimeline() map[string]*Timeline {
+	return s.timelines
+}
+
 func (s *Storage) SetTimeline(key string, t *Timeline) {
 	s.timelines[key] = t
 }
@@ -154,7 +158,7 @@ func (t *Timeline) Unlock() {
 }
 
 func (t *Timeline) GetOrCreateShard(ts int64) *Shard {
-	shard := t.GetShard(ts)
+	shard := t.GetShard(ts, false)
 	if shard == nil {
 		shard = t.CreateShard(ts)
 	}
@@ -165,7 +169,7 @@ func (t *Timeline) InternalGetShard() []*Shard {
 	return t.shards
 }
 
-func (t *Timeline) GetShard(ts int64) *Shard {
+func (t *Timeline) GetShard(ts int64, clear bool) *Shard {
 	if t.shards == nil {
 		return nil
 	}
@@ -178,6 +182,12 @@ func (t *Timeline) GetShard(ts int64) *Shard {
 	if s.no != no {
 		return nil
 	}
+	// release memory quickly
+	if clear {
+		s.points = nil
+		s.Data = nil
+		s.Data2 = nil
+	}
 	return s
 }
 
diff --git a/pkg/pipeline/manager.go b/pkg/pipeline/manager.go
index 3c40f97..f606b55 100644
--- a/pkg/pipeline/manager.go
+++ b/pkg/pipeline/manager.go
@@ -29,6 +29,7 @@ import (
 	"github.com/traas-stack/holoinsight-agent/pkg/util"
 	"github.com/traas-stack/holoinsight-agent/pkg/util/recoverutils"
 	"go.uber.org/zap"
+	"net/http"
 	"runtime"
 	"strings"
 	"sync"
@@ -110,6 +111,33 @@ func (m *Manager) Start() {
 	}
 
 	m.ctm.Listen(m.listener)
+
+	http.HandleFunc("/api/storage/list", func(writer http.ResponseWriter, request *http.Request) {
+		m.s.View(func(s *storage.Storage) {
+			timelines := s.InternalGetTimeline()
+			for key, timeline := range timelines {
+				bytes := 0
+				points := 0
+				timeline.View(func(timeline *storage.Timeline) {
+					shards := timeline.InternalGetShard()
+					for _, shard := range shards {
+						if shard == nil {
+							continue
+						}
+						points2 := shard.InternalGetAllPoints()
+						points += len(points2)
+						for pkey, p := range points2 {
+							bytes += len(pkey)
+							for _, key := range p.Keys {
+								bytes += len(key)
+							}
+						}
+					}
+				})
+				fmt.Fprintf(writer, "%s %d %d\n", key, points, bytes)
+			}
+		})
+	})
 }
 
 func (m *Manager) processTask(task *collecttask.CollectTask, add bool, init bool) {
diff --git a/scripts/api/pprof/heap b/scripts/api/pprof/heap
index 45e1ce1..8dcfdda 100644
--- a/scripts/api/pprof/heap
+++ b/scripts/api/pprof/heap
@@ -1 +1,6 @@
-curl localhost:9117/debug/pprof/heap > heap
+curl localhost:9117/debug/pprof/heap > /tmp/heap
+echo
+
+echo Use the following command to download the heap and view the flame graph.
+echo kubectl -n $POD_NAMESPACE cp $POD_NAME:/tmp/heap /tmp/heap
+echo go tool pprof -http=":$RANDOM" /tmp/heap
diff --git a/scripts/api/pprof/profile b/scripts/api/pprof/profile
index 5aaf71f..e8ed264 100644
--- a/scripts/api/pprof/profile
+++ b/scripts/api/pprof/profile
@@ -1,6 +1,6 @@
-curl localhost:9117/debug/pprof/profile?seconds=60 > profile
+curl localhost:9117/debug/pprof/profile?seconds=60 > /tmp/profile
 echo
 
 echo Use the following command to download the profile and view the flame graph.
-echo kubectl -n $POD_NAMESPACE cp $POD_NAME:$PWD/profile ./profile
-echo go tool pprof -http=":$RANDOM" profile
+echo kubectl -n $POD_NAMESPACE cp $POD_NAME:/tmp/profile /tmp/profile
+echo go tool pprof -http=":$RANDOM" /tmp/profile