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[#1385] metabase: Optimize isTomb check

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As tombstone and target must have the same containerID, do not iterate
other containers.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
This commit is contained in:
Dmitrii Stepanov 2024-09-20 13:32:05 +03:00
parent 76268e3ea2
commit fd18aa363b
1 changed files with 11 additions and 18 deletions
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29
pkg/local_object_storage/metabase/inhume.go
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@ -377,11 +377,8 @@ func (db *DB) getInhumeTargetBucketAndValue(garbageBKT, graveyardBKT *bbolt.Buck
return targetBucket, value, nil
}
func (db *DB) markAsGC(graveyardBKT, garbageBKT *bbolt.Bucket, key []byte) (bool, error) {
targetIsTomb, err := isTomb(graveyardBKT, key)
if err != nil {
return false, err
}
func (db *DB) markAsGC(graveyardBKT, garbageBKT *bbolt.Bucket, addressKey []byte) (bool, error) {
targetIsTomb := isTomb(graveyardBKT, addressKey)
// do not add grave if target is a tombstone
if targetIsTomb {
@ -390,7 +387,7 @@ func (db *DB) markAsGC(graveyardBKT, garbageBKT *bbolt.Bucket, key []byte) (bool
// if tombstone appears object must be
// additionally marked with GC
return false, garbageBKT.Put(key, zeroValue)
return false, garbageBKT.Put(addressKey, zeroValue)
}
func (db *DB) updateDeleteInfo(tx *bbolt.Tx, garbageBKT, graveyardBKT *bbolt.Bucket, targetKey []byte, cnr cid.ID, obj *objectSDK.Object, res *InhumeRes) error {
@ -410,25 +407,21 @@ func (db *DB) updateDeleteInfo(tx *bbolt.Tx, garbageBKT, graveyardBKT *bbolt.Buc
return nil
}
func isTomb(graveyardBucket *bbolt.Bucket, key []byte) (bool, error) {
func isTomb(graveyardBucket *bbolt.Bucket, addressKey []byte) bool {
targetIsTomb := false
// iterate over graveyard and check if target address
// is the address of tombstone in graveyard.
err := graveyardBucket.ForEach(func(_, v []byte) error {
// tombstone must have the same container ID as key.
c := graveyardBucket.Cursor()
containerPrefix := addressKey[:cidSize]
for k, v := c.Seek(containerPrefix); k != nil && bytes.HasPrefix(k, containerPrefix); k, v = c.Next() {
// check if graveyard has record with key corresponding
// to tombstone address (at least one)
targetIsTomb = bytes.Equal(v, key)
targetIsTomb = bytes.Equal(v, addressKey)
if targetIsTomb {
// break bucket iterator
return errBreakBucketForEach
break
}
return nil
})
if err != nil && !errors.Is(err, errBreakBucketForEach) {
return false, err
}
return targetIsTomb, nil
return targetIsTomb
}