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[#1621] pilorama: Improve memory allocation

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Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>
This commit is contained in:
Evgenii Stratonikov 2022-07-22 12:49:28 +03:00 committed by Anton Nikiforov
parent 2539d466a6
commit 1044adbe94
1 changed files with 13 additions and 15 deletions
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28
pkg/local_object_storage/pilorama/boltdb.go
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@ -371,7 +371,7 @@ func (t *boltForest) do(lb *bbolt.Bucket, b *bbolt.Bucket, key []byte, op *LogMo
return err
}
if t.isAncestor(b, key, op.Child, op.Parent) || op.Child == op.Parent {
if op.Child == op.Parent || t.isAncestor(b, op.Child, op.Parent) {
return nil
}
@ -384,15 +384,12 @@ func (t *boltForest) do(lb *bbolt.Bucket, b *bbolt.Bucket, key []byte, op *LogMo
if err := b.Delete(childrenKey(key, op.Child, parent)); err != nil {
return err
}
var meta Meta
var k = metaKey(key, op.Child)
if err := meta.FromBytes(b.Get(k)); err == nil {
for i := range meta.Items {
if isAttributeInternal(meta.Items[i].Key) {
err := b.Delete(internalKey(nil, meta.Items[i].Key, string(meta.Items[i].Value), parent, op.Child))
if err != nil {
return err
}
for i := range op.Old.Meta.Items {
if isAttributeInternal(op.Old.Meta.Items[i].Key) {
key = internalKey(key, op.Old.Meta.Items[i].Key, string(op.Old.Meta.Items[i].Value), parent, op.Child)
err := b.Delete(key)
if err != nil {
return err
}
}
}
@ -467,15 +464,16 @@ func (t *boltForest) undo(m *Move, lm *LogMove, b *bbolt.Bucket, key []byte) err
return t.addNode(b, key, m.Child, lm.Old.Parent, lm.Old.Meta)
}
func (t *boltForest) isAncestor(b *bbolt.Bucket, key []byte, parent, child Node) bool {
func (t *boltForest) isAncestor(b *bbolt.Bucket, parent, child Node) bool {
key := make([]byte, 9)
key[0] = 'p'
for c := child; c != parent; {
binary.LittleEndian.PutUint64(key[1:], c)
rawParent := b.Get(key[:9])
for node := child; node != parent; {
binary.LittleEndian.PutUint64(key[1:], node)
rawParent := b.Get(key)
if len(rawParent) != 8 {
return false
}
c = binary.LittleEndian.Uint64(rawParent)
node = binary.LittleEndian.Uint64(rawParent)
}
return true
}