[#661] blobovniczatree: Make Rebuild failover safe

Now move info stores in blobovnicza, so in case of failover
rebuild completes previous operation first.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
This commit is contained in:
Dmitrii Stepanov 2023-09-27 16:25:15 +03:00
parent da4fee2d0b
commit b2769ca3de
13 changed files with 615 additions and 35 deletions

View file

@ -1,6 +1,7 @@
package blobovnicza
import (
"bytes"
"context"
"fmt"
"math"
@ -12,11 +13,11 @@ import (
"go.opentelemetry.io/otel/trace"
)
// iterateAllBuckets iterates all buckets in db
// iterateAllDataBuckets iterates all buckets in db
//
// If the maximum size of the object (b.objSizeLimit) has been changed to lower value,
// then there may be more buckets than the current limit of the object size.
func (b *Blobovnicza) iterateAllBuckets(tx *bbolt.Tx, f func(uint64, uint64, *bbolt.Bucket) (bool, error)) error {
func (b *Blobovnicza) iterateAllDataBuckets(tx *bbolt.Tx, f func(uint64, uint64, *bbolt.Bucket) (bool, error)) error {
return b.iterateBucketKeys(false, func(lower uint64, upper uint64, key []byte) (bool, error) {
buck := tx.Bucket(key)
if buck == nil {
@ -138,7 +139,10 @@ func (b *Blobovnicza) Iterate(ctx context.Context, prm IteratePrm) (IterateRes,
var elem IterationElement
if err := b.boltDB.View(func(tx *bbolt.Tx) error {
return tx.ForEach(func(name []byte, buck *bbolt.Bucket) error {
return tx.ForEach(func(bucketName []byte, buck *bbolt.Bucket) error {
if bytes.Equal(bucketName, incompletedMoveBucketName) {
return nil
}
return buck.ForEach(func(k, v []byte) error {
select {
case <-ctx.Done():