frostfs-node/pkg/local_object_storage/writecache/init.go
Evgenii Stratonikov 4176b2a1bc [] local_object_storage: Unify parameters for the Iterate operation
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-08-22 13:14:19 +03:00

79 lines
1.9 KiB
Go

package writecache
import (
"errors"
"github.com/nspcc-dev/neofs-node/pkg/core/object"
"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, object.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
}