diff --git a/cmd/hack/hack.go b/cmd/hack/hack.go
index 8484094a2adbe3501e64c3ac38317e21054bdcc6..9130aabf262d649132da5964bad34b4c0b22fcd0 100644
--- a/cmd/hack/hack.go
+++ b/cmd/hack/hack.go
@@ -1785,7 +1785,7 @@ func compress1(chaindata string, name string) error {
 	if err := reducedict(name); err != nil {
 		return err
 	}
-	if err := createIdx(*chainID, name, itemsCount); err != nil {
+	if err := _createIdx(*chainID, name, itemsCount); err != nil {
 		return err
 	}
 	return nil
@@ -2282,11 +2282,6 @@ func (hf *HuffmanCoder) flush() error {
 
 // reduceDict reduces the dictionary by trying the substitutions and counting frequency for each word
 func reducedict(name string) error {
-	go func() {
-		if err := http.ListenAndServe("localhost:6060", nil); err != nil {
-			log.Error("Failure in running pprof server", "err", err)
-		}
-	}()
 	logEvery := time.NewTicker(20 * time.Second)
 	defer logEvery.Stop()
 	// Read up the dictionary
@@ -2724,6 +2719,8 @@ func recsplitLookup(chaindata, name string) error {
 	defer database.Close()
 	chainConfig := tool.ChainConfigFromDB(database)
 	chainID, _ := uint256.FromBig(chainConfig.ChainID)
+	logEvery := time.NewTicker(20 * time.Second)
+	defer logEvery.Stop()
 
 	d, err := compress.NewDecompressor(name + ".compressed.dat")
 	if err != nil {
@@ -2752,20 +2749,56 @@ func recsplitLookup(chaindata, name string) error {
 		wc++
 
 		t := time.Now()
-		offset := idx.Lookup(slot.IdHash[:])
+		recID := idx.Lookup(slot.IdHash[:])
 		l1 += time.Since(t)
-		_ = idx.Lookup2(offset)
+		t = time.Now()
+		_ = idx.Lookup2(recID)
 		l2 += time.Since(t)
-		if wc%10_000_000 == 0 {
-			log.Info("Checked", "millions", wc/1_000_000)
+
+		select {
+		default:
+		case <-logEvery.C:
+			var m runtime.MemStats
+			runtime.ReadMemStats(&m)
+			log.Info("Checked", "millions", float64(wc)/1_000_000,
+				"lookup", time.Duration(int64(l1)/int64(wc)), "lookup2", time.Duration(int64(l2)/int64(wc)),
+				"alloc", common.StorageSize(m.Alloc), "sys", common.StorageSize(m.Sys),
+			)
 		}
 	}
+
 	total = time.Since(start)
 	log.Info("Average decoding time", "lookup", time.Duration(int64(l1)/int64(wc)), "lookup + lookup2", time.Duration(int64(l2)/int64(wc)), "items", wc, "total", total)
 	return nil
 }
 
-func createIdx(chainID uint256.Int, name string, count int) error {
+func createIdx(chaindata string, name string) error {
+	database := mdbx.MustOpen(chaindata)
+	defer database.Close()
+	chainConfig := tool.ChainConfigFromDB(database)
+	chainID, _ := uint256.FromBig(chainConfig.ChainID)
+	d, err := compress.NewDecompressor(name + ".compressed.dat")
+	if err != nil {
+		return err
+	}
+	defer d.Close()
+	logEvery := time.NewTicker(20 * time.Second)
+	defer logEvery.Stop()
+	g := d.MakeGetter()
+	var word = make([]byte, 0, 4*1024)
+	wc := 0
+	for g.HasNext() {
+		word, _ = g.Next(word[:0])
+		wc++
+		select {
+		default:
+		case <-logEvery.C:
+			log.Info("[Filling recsplit] Processed", "millions", wc/1_000_000)
+		}
+	}
+	return _createIdx(*chainID, name, wc)
+}
+func _createIdx(chainID uint256.Int, name string, count int) error {
 	d, err := compress.NewDecompressor(name + ".compressed.dat")
 	if err != nil {
 		return err
@@ -2812,7 +2845,7 @@ RETRY:
 		select {
 		default:
 		case <-logEvery.C:
-			log.Info("[Creating index] Processed", "millions", wc/1_000_000)
+			log.Info("[Filling recsplit] Processed", "millions", wc/1_000_000)
 		}
 	}
 	log.Info("Building recsplit...")
@@ -2822,6 +2855,7 @@ RETRY:
 	}
 
 	if rs.Collision() {
+		log.Info("Building recsplit. Collision happened. It's ok. Restarting...")
 		rs.ResetNextSalt()
 		goto RETRY
 	}
@@ -4028,6 +4062,11 @@ func main() {
 		}
 		defer pprof.StopCPUProfile()
 	}
+	go func() {
+		if err := http.ListenAndServe("localhost:6060", nil); err != nil {
+			log.Error("Failure in running pprof server", "err", err)
+		}
+	}()
 
 	var err error
 	switch *action {
@@ -4174,6 +4213,8 @@ func main() {
 		err = dumpState(*chaindata, int(*block), *name)
 	case "compress":
 		err = compress1(*chaindata, *name)
+	case "createIdx":
+		err = createIdx(*chaindata, *name)
 	case "recsplitLookup":
 		err = recsplitLookup(*chaindata, *name)
 	case "decompress":
diff --git a/go.mod b/go.mod
index 4ec2df1fbfee8d39064f00d44c1586866b67c345..7be390240c81b2522a01df31fa320007e6368ded 100644
--- a/go.mod
+++ b/go.mod
@@ -36,7 +36,7 @@ require (
 	github.com/json-iterator/go v1.1.12
 	github.com/julienschmidt/httprouter v1.3.0
 	github.com/kevinburke/go-bindata v3.21.0+incompatible
-	github.com/ledgerwatch/erigon-lib v0.0.0-20211031023235-7582da6c7866
+	github.com/ledgerwatch/erigon-lib v0.0.0-20211101021507-683d16a7a16e
 	github.com/ledgerwatch/log/v3 v3.4.0
 	github.com/ledgerwatch/secp256k1 v0.0.0-20210626115225-cd5cd00ed72d
 	github.com/logrusorgru/aurora/v3 v3.0.0
diff --git a/go.sum b/go.sum
index 9dc4310472ed6283a71d81c3da607e0f8d8fbfd0..b5ef48e641512b09635fc74e0e2b1ef1d9b55105 100644
--- a/go.sum
+++ b/go.sum
@@ -497,8 +497,8 @@ github.com/kylelemons/godebug v0.0.0-20170224010052-a616ab194758 h1:0D5M2HQSGD3P
 github.com/kylelemons/godebug v0.0.0-20170224010052-a616ab194758/go.mod h1:B69LEHPfb2qLo0BaaOLcbitczOKLWTsrBG9LczfCD4k=
 github.com/leanovate/gopter v0.2.9 h1:fQjYxZaynp97ozCzfOyOuAGOU4aU/z37zf/tOujFk7c=
 github.com/leanovate/gopter v0.2.9/go.mod h1:U2L/78B+KVFIx2VmW6onHJQzXtFb+p5y3y2Sh+Jxxv8=
-github.com/ledgerwatch/erigon-lib v0.0.0-20211031023235-7582da6c7866 h1:CNyOjjYS1FElLzHT2HTHtP4swZqaihlkrNmK7yRr2Ok=
-github.com/ledgerwatch/erigon-lib v0.0.0-20211031023235-7582da6c7866/go.mod h1:tmLML7kM8BV92RBOUJ4FXmLY/gSqZ8AHW4kkoDQud8k=
+github.com/ledgerwatch/erigon-lib v0.0.0-20211101021507-683d16a7a16e h1:NSsCApQHWHMVOWcxLwRCMytPsKZOFOoFhgzw/q6cIro=
+github.com/ledgerwatch/erigon-lib v0.0.0-20211101021507-683d16a7a16e/go.mod h1:tmLML7kM8BV92RBOUJ4FXmLY/gSqZ8AHW4kkoDQud8k=
 github.com/ledgerwatch/log/v3 v3.4.0 h1:SEIOcv5a2zkG3PmoT5jeTU9m/0nEUv0BJS5bzsjwKCI=
 github.com/ledgerwatch/log/v3 v3.4.0/go.mod h1:VXcz6Ssn6XEeU92dCMc39/g1F0OYAjw1Mt+dGP5DjXY=
 github.com/ledgerwatch/secp256k1 v0.0.0-20210626115225-cd5cd00ed72d h1:/IKMrJdfRsoYNc36PXqP4xMH3vhW/8IQyBKGQbKZUno=