[#2161] pilorama: Do not apply already existing operations

Speeds up synchronization a bit.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

CHANGELOG.md

@@ -23,6 +23,7 @@ Changelog for NeoFS Node
 - `neofs-cli container delete` command pre-checks container ownership (#2106)
 - Policer cache size is now 1024 (#2158)
 - Tree service now synchronizes with container nodes in a random order (#2127)
+- Pilorama no longer tries to apply already applied operations (#2161)
 
 ### Fixed
 - Open FSTree in sync mode by default (#1992)

pkg/local_object_storage/pilorama/boltdb.go

@@ -299,6 +299,12 @@ func (t *boltForest) applyOperation(logBucket, treeBucket *bbolt.Bucket, lm *Log
 	var tmp LogMove
 	var cKey [17]byte
 
+	var logKey [8]byte
+	binary.BigEndian.PutUint64(logKey[:], lm.Time)
+	if logBucket.Get(logKey[:]) != nil {
+		return nil
+	}
+
 	c := logBucket.Cursor()
 
 	key, value := c.Last()