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[#165] Revert "[#142] metabase: Store header value index in a tree leaf"

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Revert commit 0faa40e4 to increase the disk space consumed by the
metabase in favor of the speed of index updates.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2020-11-09 17:58:22 +03:00 committed by Alex Vanin
parent 3c42f5b452
commit fcb35d82cf
2 changed files with 14 additions and 50 deletions
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45
pkg/local_object_storage/metabase/put.go
View file

@ -1,9 +1,6 @@
package meta
import (
"bytes"
"encoding/gob"
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
v2object "github.com/nspcc-dev/neofs-api-go/v2/object"
"github.com/nspcc-dev/neofs-node/pkg/core/object"
@ -64,19 +61,16 @@ func (db *DB) Put(obj *object.Object) error {
return errors.Wrapf(err, "(%T) could not create bucket for header key", db)
}
v := nonEmptyKeyBytes([]byte(indices[i].val))
v := []byte(indices[i].val)
strs, err := decodeAddressList(keyBucket.Get(v))
// create address bucket for the value
valBucket, err := keyBucket.CreateBucketIfNotExists(nonEmptyKeyBytes(v))
if err != nil {
return errors.Wrapf(err, "(%T) could not decode address list", db)
return errors.Wrapf(err, "(%T) could not create bucket for header value", db)
}
data, err := encodeAddressList(append(strs, string(addrKey)))
if err != nil {
return errors.Wrapf(err, "(%T) could not encode address list", db)
}
if err := keyBucket.Put(v, data); err != nil {
// put object address to value bucket
if err := valBucket.Put(addrKey, nil); err != nil {
return errors.Wrapf(err, "(%T) could not put item to header bucket", db)
}
}
@ -160,30 +154,3 @@ func objectIndices(obj *object.Object, parent bool) []bucketItem {
return res
}
// FIXME: gob is a temporary solution, use protobuf.
func decodeAddressList(data []byte) ([]string, error) {
if len(data) == 0 {
return nil, nil
}
var strs []string
decoder := gob.NewDecoder(bytes.NewReader(data))
if err := decoder.Decode(&strs); err != nil {
return nil, err
}
return strs, nil
}
func encodeAddressList(l []string) ([]byte, error) {
buf := bytes.NewBuffer(nil)
encoder := gob.NewEncoder(buf)
if err := encoder.Encode(l); err != nil {
return nil, err
}
return buf.Bytes(), nil
}

19
pkg/local_object_storage/metabase/select.go
View file

@ -53,18 +53,15 @@ func (db *DB) selectObjects(tx *bbolt.Tx, fs object.SearchFilters) ([]*object.Ad
if err := keyBucket.ForEach(func(k, v []byte) error {
include := matchFunc(string(key), string(cutKeyBytes(k)), fVal)
strs, err := decodeAddressList(v)
if err != nil {
return errors.Wrapf(err, "(%T) could not decode address list", db)
}
if include {
return keyBucket.Bucket(k).ForEach(func(k, _ []byte) error {
if num := mAddr[string(k)]; num == fNum {
// otherwise object does not match current or some previous filter
mAddr[string(k)] = fNum + 1
}
for j := range strs {
if num := mAddr[strs[j]]; num != fNum {
// than object does not match some previous filter
continue
} else if include {
mAddr[strs[j]] = fNum + 1
}
return nil
})
}
return nil