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housekeeping

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- remove defunct tracking store implementations
- update splitstore node config
- use mark set type config option (defaulting to mapts); a memory constrained node
  may want to use an on-disk one
This commit is contained in:
vyzo 2021-07-04 12:23:30 +03:00
parent 19d1b1f532
commit 190cb18ab0
6 changed files with 8 additions and 373 deletions
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13
blockstore/splitstore/splitstore.go
View File

@ -90,17 +90,12 @@ const (
)
type Config struct {
// TrackingStore is the type of tracking store to use.
//
// Supported values are: "bolt" (default if omitted), "mem" (for tests and readonly access).
TrackingStoreType string
// MarkSetType is the type of mark set to use.
//
// Supported values are: "bloom" (default if omitted), "bolt".
// Sane values are: "mapts", "bolt" (if you are memory constrained).
MarkSetType string
// SkipMoveColdBlocks indicates whether to skip moving cold blocks to the coldstore.
// DiscardColdBlocks indicates whether to skip moving cold blocks to the coldstore.
// If the splitstore is running with a noop coldstore then this option is set to true
// which skips moving (as it is a noop, but still takes time to read all the cold objects)
// and directly purges cold blocks.
@ -167,13 +162,13 @@ func Open(path string, ds dstore.Datastore, hot, cold bstore.Blockstore, cfg *Co
}
// the markset env
markSetEnv, err := OpenMarkSetEnv(path, "mapts")
markSetEnv, err := OpenMarkSetEnv(path, cfg.MarkSetType)
if err != nil {
return nil, err
}
// the txn markset env
txnEnv, err := OpenMarkSetEnv(path, "mapts")
txnEnv, err := OpenMarkSetEnv(path, cfg.MarkSetType)
if err != nil {
_ = markSetEnv.Close()
return nil, err

109
blockstore/splitstore/tracking.go
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@ -1,109 +0,0 @@
package splitstore
import (
"path/filepath"
"sync"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-state-types/abi"
cid "github.com/ipfs/go-cid"
)
// TrackingStore is a persistent store that tracks blocks that are added
// to the hotstore, tracking the epoch at which they are written.
type TrackingStore interface {
Put(cid.Cid, abi.ChainEpoch) error
PutBatch([]cid.Cid, abi.ChainEpoch) error
Get(cid.Cid) (abi.ChainEpoch, error)
Delete(cid.Cid) error
DeleteBatch([]cid.Cid) error
ForEach(func(cid.Cid, abi.ChainEpoch) error) error
Sync() error
Close() error
}
// OpenTrackingStore opens a tracking store of the specified type in the
// specified path.
func OpenTrackingStore(path string, ttype string) (TrackingStore, error) {
switch ttype {
case "", "bolt":
return OpenBoltTrackingStore(filepath.Join(path, "tracker.bolt"))
case "mem":
return NewMemTrackingStore(), nil
default:
return nil, xerrors.Errorf("unknown tracking store type %s", ttype)
}
}
// NewMemTrackingStore creates an in-memory tracking store.
// This is only useful for test or situations where you don't want to open the
// real tracking store (eg concurrent read only access on a node's datastore)
func NewMemTrackingStore() *MemTrackingStore {
return &MemTrackingStore{tab: make(map[cid.Cid]abi.ChainEpoch)}
}
// MemTrackingStore is a simple in-memory tracking store
type MemTrackingStore struct {
sync.Mutex
tab map[cid.Cid]abi.ChainEpoch
}
var _ TrackingStore = (*MemTrackingStore)(nil)
func (s *MemTrackingStore) Put(cid cid.Cid, epoch abi.ChainEpoch) error {
s.Lock()
defer s.Unlock()
s.tab[cid] = epoch
return nil
}
func (s *MemTrackingStore) PutBatch(cids []cid.Cid, epoch abi.ChainEpoch) error {
s.Lock()
defer s.Unlock()
for _, cid := range cids {
s.tab[cid] = epoch
}
return nil
}
func (s *MemTrackingStore) Get(cid cid.Cid) (abi.ChainEpoch, error) {
s.Lock()
defer s.Unlock()
epoch, ok := s.tab[cid]
if ok {
return epoch, nil
}
return 0, xerrors.Errorf("missing tracking epoch for %s", cid)
}
func (s *MemTrackingStore) Delete(cid cid.Cid) error {
s.Lock()
defer s.Unlock()
delete(s.tab, cid)
return nil
}
func (s *MemTrackingStore) DeleteBatch(cids []cid.Cid) error {
s.Lock()
defer s.Unlock()
for _, cid := range cids {
delete(s.tab, cid)
}
return nil
}
func (s *MemTrackingStore) ForEach(f func(cid.Cid, abi.ChainEpoch) error) error {
s.Lock()
defer s.Unlock()
for cid, epoch := range s.tab {
err := f(cid, epoch)
if err != nil {
return err
}
}
return nil
}
func (s *MemTrackingStore) Sync() error { return nil }
func (s *MemTrackingStore) Close() error { return nil }

119
blockstore/splitstore/tracking_bolt.go
View File

@ -1,119 +0,0 @@
package splitstore
import (
"time"
"golang.org/x/xerrors"
cid "github.com/ipfs/go-cid"
bolt "go.etcd.io/bbolt"
"github.com/filecoin-project/go-state-types/abi"
)
type BoltTrackingStore struct {
db *bolt.DB
bucketId []byte
}
var _ TrackingStore = (*BoltTrackingStore)(nil)
func OpenBoltTrackingStore(path string) (*BoltTrackingStore, error) {
opts := &bolt.Options{
Timeout: 1 * time.Second,
}
db, err := bolt.Open(path, 0644, opts)
if err != nil {
return nil, err
}
bucketId := []byte("tracker")
err = db.Update(func(tx *bolt.Tx) error {
_, err := tx.CreateBucketIfNotExists(bucketId)
if err != nil {
return xerrors.Errorf("error creating bolt db bucket %s: %w", string(bucketId), err)
}
return nil
})
if err != nil {
_ = db.Close()
return nil, err
}
return &BoltTrackingStore{db: db, bucketId: bucketId}, nil
}
func (s *BoltTrackingStore) Put(cid cid.Cid, epoch abi.ChainEpoch) error {
val := epochToBytes(epoch)
return s.db.Batch(func(tx *bolt.Tx) error {
b := tx.Bucket(s.bucketId)
return b.Put(cid.Hash(), val)
})
}
func (s *BoltTrackingStore) PutBatch(cids []cid.Cid, epoch abi.ChainEpoch) error {
val := epochToBytes(epoch)
return s.db.Batch(func(tx *bolt.Tx) error {
b := tx.Bucket(s.bucketId)
for _, cid := range cids {
err := b.Put(cid.Hash(), val)
if err != nil {
return err
}
}
return nil
})
}
func (s *BoltTrackingStore) Get(cid cid.Cid) (epoch abi.ChainEpoch, err error) {
err = s.db.View(func(tx *bolt.Tx) error {
b := tx.Bucket(s.bucketId)
val := b.Get(cid.Hash())
if val == nil {
return xerrors.Errorf("missing tracking epoch for %s", cid)
}
epoch = bytesToEpoch(val)
return nil
})
return epoch, err
}
func (s *BoltTrackingStore) Delete(cid cid.Cid) error {
return s.db.Batch(func(tx *bolt.Tx) error {
b := tx.Bucket(s.bucketId)
return b.Delete(cid.Hash())
})
}
func (s *BoltTrackingStore) DeleteBatch(cids []cid.Cid) error {
return s.db.Batch(func(tx *bolt.Tx) error {
b := tx.Bucket(s.bucketId)
for _, cid := range cids {
err := b.Delete(cid.Hash())
if err != nil {
return xerrors.Errorf("error deleting %s", cid)
}
}
return nil
})
}
func (s *BoltTrackingStore) ForEach(f func(cid.Cid, abi.ChainEpoch) error) error {
return s.db.View(func(tx *bolt.Tx) error {
b := tx.Bucket(s.bucketId)
return b.ForEach(func(k, v []byte) error {
cid := cid.NewCidV1(cid.Raw, k)
epoch := bytesToEpoch(v)
return f(cid, epoch)
})
})
}
func (s *BoltTrackingStore) Sync() error {
return s.db.Sync()
}
func (s *BoltTrackingStore) Close() error {
return s.db.Close()
}

130
blockstore/splitstore/tracking_test.go
View File

@ -1,130 +0,0 @@
package splitstore
import (
"io/ioutil"
"testing"
cid "github.com/ipfs/go-cid"
"github.com/multiformats/go-multihash"
"github.com/filecoin-project/go-state-types/abi"
)
func TestBoltTrackingStore(t *testing.T) {
testTrackingStore(t, "bolt")
}
func testTrackingStore(t *testing.T, tsType string) {
t.Helper()
makeCid := func(key string) cid.Cid {
h, err := multihash.Sum([]byte(key), multihash.SHA2_256, -1)
if err != nil {
t.Fatal(err)
}
return cid.NewCidV1(cid.Raw, h)
}
mustHave := func(s TrackingStore, cid cid.Cid, epoch abi.ChainEpoch) {
val, err := s.Get(cid)
if err != nil {
t.Fatal(err)
}
if val != epoch {
t.Fatal("epoch mismatch")
}
}
mustNotHave := func(s TrackingStore, cid cid.Cid) {
_, err := s.Get(cid)
if err == nil {
t.Fatal("expected error")
}
}
path, err := ioutil.TempDir("", "snoop-test.*")
if err != nil {
t.Fatal(err)
}
s, err := OpenTrackingStore(path, tsType)
if err != nil {
t.Fatal(err)
}
k1 := makeCid("a")
k2 := makeCid("b")
k3 := makeCid("c")
k4 := makeCid("d")
s.Put(k1, 1) //nolint
s.Put(k2, 2) //nolint
s.Put(k3, 3) //nolint
s.Put(k4, 4) //nolint
mustHave(s, k1, 1)
mustHave(s, k2, 2)
mustHave(s, k3, 3)
mustHave(s, k4, 4)
s.Delete(k1) // nolint
s.Delete(k2) // nolint
mustNotHave(s, k1)
mustNotHave(s, k2)
mustHave(s, k3, 3)
mustHave(s, k4, 4)
s.PutBatch([]cid.Cid{k1}, 1) //nolint
s.PutBatch([]cid.Cid{k2}, 2) //nolint
mustHave(s, k1, 1)
mustHave(s, k2, 2)
mustHave(s, k3, 3)
mustHave(s, k4, 4)
allKeys := map[string]struct{}{
k1.String(): {},
k2.String(): {},
k3.String(): {},
k4.String(): {},
}
err = s.ForEach(func(k cid.Cid, _ abi.ChainEpoch) error {
_, ok := allKeys[k.String()]
if !ok {
t.Fatal("unexpected key")
}
delete(allKeys, k.String())
return nil
})
if err != nil {
t.Fatal(err)
}
if len(allKeys) != 0 {
t.Fatal("not all keys were returned")
}
// no close and reopen and ensure the keys still exist
err = s.Close()
if err != nil {
t.Fatal(err)
}
s, err = OpenTrackingStore(path, tsType)
if err != nil {
t.Fatal(err)
}
mustHave(s, k1, 1)
mustHave(s, k2, 2)
mustHave(s, k3, 3)
mustHave(s, k4, 4)
s.Close() //nolint:errcheck
}

3
node/config/def.go
View File

@ -231,9 +231,7 @@ type Chainstore struct {
type Splitstore struct {
ColdStoreType string
HotStoreType string
TrackingStoreType string
MarkSetType string
HotHeaders bool
}
// // Full Node
@ -306,6 +304,7 @@ func DefaultFullNode() *FullNode {
Splitstore: Splitstore{
ColdStoreType: "universal",
HotStoreType: "badger",
MarkSetType: "mapts",
},
},
}

1
node/modules/blockstore.go
View File

@ -78,7 +78,6 @@ func SplitBlockstore(cfg *config.Chainstore) func(lc fx.Lifecycle, r repo.Locked
}
cfg := &splitstore.Config{
TrackingStoreType: cfg.Splitstore.TrackingStoreType,
MarkSetType: cfg.Splitstore.MarkSetType,
DiscardColdBlocks: cfg.Splitstore.ColdStoreType == "noop",
}