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batch blockstore copies after block validation #3980

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Sep 24, 2020
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27 changes: 19 additions & 8 deletions chain/sync.go
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ import (

"github.com/Gurpartap/async"
"github.com/hashicorp/go-multierror"
blocks "github.com/ipfs/go-block-format"
"github.com/ipfs/go-cid"
cbor "github.com/ipfs/go-ipld-cbor"
logging "github.com/ipfs/go-log/v2"
Expand Down Expand Up @@ -374,21 +375,28 @@ func (syncer *Syncer) InformNewBlock(from peer.ID, blk *types.FullBlock) bool {
return syncer.InformNewHead(from, fts)
}

func copyBlockstore(from, to bstore.Blockstore) error {
cids, err := from.AllKeysChan(context.TODO())
func copyBlockstore(ctx context.Context, from, to bstore.Blockstore) error {
ctx, span := trace.StartSpan(ctx, "copyBlockstore")
defer span.End()

cids, err := from.AllKeysChan(ctx)
if err != nil {
return err
}

// TODO: should probably expose better methods on the blockstore for this operation
var blks []blocks.Block
for c := range cids {
b, err := from.Get(c)
if err != nil {
return err
}

if err := to.Put(b); err != nil {
return err
}
blks = append(blks, b)
}

if err := to.PutMany(blks); err != nil {
return err
}

return nil
Expand Down Expand Up @@ -1515,11 +1523,11 @@ func (syncer *Syncer) iterFullTipsets(ctx context.Context, headers []*types.TipS
return err
}

if err := persistMessages(bs, bstip); err != nil {
if err := persistMessages(ctx, bs, bstip); err != nil {
return err
}

if err := copyBlockstore(bs, syncer.store.Blockstore()); err != nil {
if err := copyBlockstore(ctx, bs, syncer.store.Blockstore()); err != nil {
return xerrors.Errorf("message processing failed: %w", err)
}
}
Expand Down Expand Up @@ -1596,7 +1604,10 @@ func (syncer *Syncer) fetchMessages(ctx context.Context, headers []*types.TipSet
return batch, nil
}

func persistMessages(bs bstore.Blockstore, bst *exchange.CompactedMessages) error {
func persistMessages(ctx context.Context, bs bstore.Blockstore, bst *exchange.CompactedMessages) error {
_, span := trace.StartSpan(ctx, "persistMessages")
defer span.End()

for _, m := range bst.Bls {
//log.Infof("putting BLS message: %s", m.Cid())
if _, err := store.PutMessage(bs, m); err != nil {
Expand Down