Fix neofs_node_engine_list_objects_time_bucket metric (#3120)

Author: cthulhu-rider

CHANGELOG.md

@@ -19,6 +19,7 @@ Changelog for NeoFS Node
 - The parent of the split object is not removed from the metabase (#3089)
 - A split expired object is not deleted after the lock is removed or expired (#3089)
 - `neofs_node_engine_list_containers_time_bucket` and `neofs_node_engine_exists_time_bucket` metrics (#3014)
+- `neofs_node_engine_list_objects_time_bucket` metric (#3120)
 
 ### Changed
 - Number of cuncurrenly handled notifications from the chain was increased from 10 to 300 for IR (#3068)

pkg/local_object_storage/engine/list.go

@@ -28,6 +28,10 @@ type Cursor struct {
 // Returns ErrEndOfListing if there are no more objects to return or count
 // parameter set to zero.
 func (e *StorageEngine) ListWithCursor(count uint32, cursor *Cursor) ([]objectcore.AddressWithType, *Cursor, error) {
+	if e.metrics != nil {
+		defer elapsed(e.metrics.AddListObjectsDuration)()
+	}
+
 	result := make([]objectcore.AddressWithType, 0, count)
 
 	// 1. Get available shards and sort them.

pkg/local_object_storage/engine/select.go

@@ -49,46 +49,3 @@ func (e *StorageEngine) Select(cnr cid.ID, filters object.SearchFilters) ([]oid.
 
 	return addrList, nil
 }
-
-// List returns `limit` available physically storage object addresses in engine.
-// If limit is zero, then returns all available object addresses.
-//
-// Returns an error if executions are blocked (see BlockExecution).
-func (e *StorageEngine) List(limit uint64) ([]oid.Address, error) {
-	if e.metrics != nil {
-		defer elapsed(e.metrics.AddListObjectsDuration)()
-	}
-
-	e.blockMtx.RLock()
-	defer e.blockMtx.RUnlock()
-
-	if e.blockErr != nil {
-		return nil, e.blockErr
-	}
-
-	addrList := make([]oid.Address, 0, limit)
-	uniqueMap := make(map[string]struct{})
-	ln := uint64(0)
-
-	// consider iterating over shuffled shards
-	for _, sh := range e.unsortedShards() {
-		res, err := sh.List() // consider limit result of shard iterator
-		if err != nil {
-			e.reportShardError(sh, "could not select objects from shard", err)
-			continue
-		}
-		for _, addr := range res { // save only unique values
-			if _, ok := uniqueMap[addr.EncodeToString()]; !ok {
-				uniqueMap[addr.EncodeToString()] = struct{}{}
-				addrList = append(addrList, addr)
-
-				ln++
-				if limit > 0 && ln >= limit {
-					return addrList, nil
-				}
-			}
-		}
-	}
-
-	return addrList, nil
-}