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[#661] blobovniczatree: Make Rebuild concurrent

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Different DBs can be rebuild concurrently.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
This commit is contained in:
Dmitrii Stepanov 2023-10-03 11:58:35 +03:00
parent d4d905ecc6
commit f1c7905263
18 changed files with 170 additions and 30 deletions
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57
pkg/local_object_storage/blobstor/blobovniczatree/rebuild.go
View file

@ -6,6 +6,7 @@ import (
"os"
"path/filepath"
"sync"
"sync/atomic"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
@ -14,6 +15,7 @@ import (
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
"go.uber.org/zap"
"golang.org/x/sync/errgroup"
)
var errRebuildInProgress = errors.New("rebuild is in progress, the operation cannot be performed")
@ -55,21 +57,48 @@ func (b *Blobovniczas) Rebuild(ctx context.Context, prm common.RebuildPrm) (comm
success = false
return res, err
}
b.log.Info(logs.BlobovniczaTreeCollectingDBToRebuildSuccess, zap.Int("blobovniczas_to_rebuild", len(dbsToMigrate)))
for _, db := range dbsToMigrate {
b.log.Debug(logs.BlobovniczaTreeRebuildingBlobovnicza, zap.String("path", db))
movedObjects, err := b.rebuildDB(ctx, db, prm.MetaStorage)
res.ObjectsMoved += movedObjects
if err != nil {
b.log.Warn(logs.BlobovniczaTreeRebuildingBlobovniczaFailed, zap.String("path", db), zap.Uint64("moved_objects_count", movedObjects), zap.Error(err))
success = false
res, err = b.migrateDBs(ctx, dbsToMigrate, prm, res)
if err != nil {
success = false
}
return res, err
}
func (b *Blobovniczas) migrateDBs(ctx context.Context, dbs []string, prm common.RebuildPrm, res common.RebuildRes) (common.RebuildRes, error) {
eg, ctx := errgroup.WithContext(ctx)
var movedObjectsAcc atomic.Uint64
var filesMovedAcc atomic.Uint64
for _, db := range dbs {
db := db
if err := prm.WorkerLimiter.AcquireWorkSlot(ctx); err != nil {
_ = eg.Wait()
res.FilesRemoved += filesMovedAcc.Load()
res.ObjectsMoved += movedObjectsAcc.Load()
return res, err
}
b.log.Debug(logs.BlobovniczaTreeRebuildingBlobovniczaSuccess, zap.String("path", db), zap.Uint64("moved_objects_count", movedObjects))
res.FilesRemoved++
eg.Go(func() error {
defer prm.WorkerLimiter.ReleaseWorkSlot()
b.log.Debug(logs.BlobovniczaTreeRebuildingBlobovnicza, zap.String("path", db))
movedObjects, err := b.rebuildDB(ctx, db, prm.MetaStorage)
movedObjectsAcc.Add(movedObjects)
if err != nil {
b.log.Warn(logs.BlobovniczaTreeRebuildingBlobovniczaFailed, zap.String("path", db), zap.Uint64("moved_objects_count", movedObjects), zap.Error(err))
return err
}
b.log.Debug(logs.BlobovniczaTreeRebuildingBlobovniczaSuccess, zap.String("path", db), zap.Uint64("moved_objects_count", movedObjects))
filesMovedAcc.Add(1)
return nil
})
}
return res, nil
err := eg.Wait()
res.FilesRemoved += filesMovedAcc.Load()
res.ObjectsMoved += movedObjectsAcc.Load()
return res, err
}
func (b *Blobovniczas) getDBsToRebuild(ctx context.Context) ([]string, error) {
@ -133,7 +162,8 @@ func (b *Blobovniczas) moveObjects(ctx context.Context, blz *blobovnicza.Blobovn
}
func (b *Blobovniczas) moveObject(ctx context.Context, source *blobovnicza.Blobovnicza, sourcePath string,
addr oid.Address, data []byte, metaStore common.MetaStorage) error {
addr oid.Address, data []byte, metaStore common.MetaStorage,
) error {
startedAt := time.Now()
defer func() {
b.metrics.ObjectMoved(time.Since(startedAt))
@ -229,7 +259,8 @@ func (b *Blobovniczas) completeIncompletedMove(ctx context.Context, metaStore co
}
func (b *Blobovniczas) performMove(ctx context.Context, source *blobovnicza.Blobovnicza, sourcePath string,
move blobovnicza.MoveInfo, metaStore common.MetaStorage) error {
move blobovnicza.MoveInfo, metaStore common.MetaStorage,
) error {
targetDB := b.getBlobovnicza(NewIDFromBytes(move.TargetStorageID).Path())
target, err := targetDB.Open()
if err != nil {
@ -250,7 +281,7 @@ func (b *Blobovniczas) performMove(ctx context.Context, source *blobovnicza.Blob
}
}
if !existsInSource { //object was deleted by Rebuild, need to delete move info
if !existsInSource { // object was deleted by Rebuild, need to delete move info
if err = source.DropMoveInfo(ctx, move.Address); err != nil {
b.log.Warn(logs.BlobovniczatreeCouldNotDropMoveInfo, zap.String("path", sourcePath), zap.Error(err))
return err

5
pkg/local_object_storage/blobstor/blobovniczatree/rebuild_failover_test.go
View file

@ -4,6 +4,7 @@ import (
"bytes"
"context"
"path/filepath"
"sync"
"testing"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
@ -147,9 +148,11 @@ func testRebuildFailoverValidate(t *testing.T, dir string, obj *objectSDK.Object
metaStub := &storageIDUpdateStub{
storageIDs: make(map[oid.Address][]byte),
guard: &sync.Mutex{},
}
rRes, err := b.Rebuild(context.Background(), common.RebuildPrm{
MetaStorage: metaStub,
MetaStorage: metaStub,
WorkerLimiter: &rebuildLimiterStub{},
})
require.NoError(t, err)
require.Equal(t, uint64(1), rRes.ObjectsMoved)

11
pkg/local_object_storage/blobstor/blobovniczatree/rebuild_test.go
View file

@ -101,9 +101,11 @@ func testBlobovniczaTreeRebuildHelper(t *testing.T, sourceDepth, sourceWidth, ta
metaStub := &storageIDUpdateStub{
storageIDs: storageIDs,
guard: &sync.Mutex{},
}
var rPrm common.RebuildPrm
rPrm.MetaStorage = metaStub
rPrm.WorkerLimiter = &rebuildLimiterStub{}
rRes, err := b.Rebuild(context.Background(), rPrm)
require.NoError(t, err)
dataMigrated := rRes.ObjectsMoved > 0 || rRes.FilesRemoved > 0 || metaStub.updatedCount > 0
@ -121,12 +123,21 @@ func testBlobovniczaTreeRebuildHelper(t *testing.T, sourceDepth, sourceWidth, ta
}
type storageIDUpdateStub struct {
guard *sync.Mutex
storageIDs map[oid.Address][]byte
updatedCount uint64
}
func (s *storageIDUpdateStub) UpdateStorageID(ctx context.Context, addr oid.Address, storageID []byte) error {
s.guard.Lock()
defer s.guard.Unlock()
s.storageIDs[addr] = storageID
s.updatedCount++
return nil
}
type rebuildLimiterStub struct{}
func (s *rebuildLimiterStub) AcquireWorkSlot(context.Context) error { return nil }
func (s *rebuildLimiterStub) ReleaseWorkSlot() {}