package writecache import ( "errors" "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common" meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase" apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status" oid "github.com/nspcc-dev/neofs-sdk-go/object/id" "go.etcd.io/bbolt" ) func (c *cache) initFlushMarks() { c.log.Info("filling flush marks for objects in FSTree") var prm common.IteratePrm prm.LazyHandler = func(addr oid.Address, _ func() ([]byte, error)) error { if c.isFlushed(addr) { c.store.flushed.Add(addr.EncodeToString(), true) } return nil } _, _ = c.fsTree.Iterate(prm) c.log.Info("filling flush marks for objects in database") var m []string var lastKey []byte var batchSize = flushBatchSize for { m = m[:0] // We put objects in batches of fixed size to not interfere with main put cycle a lot. _ = c.db.View(func(tx *bbolt.Tx) error { b := tx.Bucket(defaultBucket) cs := b.Cursor() for k, _ := cs.Seek(lastKey); k != nil && len(m) < batchSize; k, _ = cs.Next() { m = append(m, string(k)) } return nil }) var addr oid.Address for i := range m { if err := addr.DecodeString(m[i]); err != nil { continue } if c.isFlushed(addr) { c.store.flushed.Add(addr.EncodeToString(), true) } } if len(m) == 0 { break } lastKey = append([]byte(m[len(m)-1]), 0) } c.log.Info("finished updating flush marks") } func (c *cache) isFlushed(addr oid.Address) bool { var existsPrm meta.ExistsPrm existsPrm.SetAddress(addr) mRes, err := c.metabase.Exists(existsPrm) if err != nil { return errors.Is(err, meta.ErrObjectIsExpired) || errors.As(err, new(apistatus.ObjectAlreadyRemoved)) } if !mRes.Exists() { return false } res, err := c.blobstor.Exists(common.ExistsPrm{Address: addr}) return err == nil && res.Exists }