triedb/pathdb: polish the code

Signed-off-by: jsvisa <delweng@gmail.com>
This commit is contained in:
Gary Rong 2025-07-15 14:15:02 +08:00 committed by jsvisa
parent 0281e226bf
commit 88c4ac66ab
2 changed files with 32 additions and 78 deletions

View file

@ -38,6 +38,11 @@ func storageKey(accountHash common.Hash, slotHash common.Hash) [64]byte {
return key
}
// trienodeKey returns a key for uniquely identifying the trie node.
func trienodeKey(accountHash common.Hash, path string) string {
return accountHash.Hex() + path
}
// lookup is an internal structure used to efficiently determine the layer in
// which a state entry resides.
type lookup struct {
@ -210,10 +215,8 @@ func (l *lookup) nodeTip(accountHash common.Hash, path string, stateID common.Ha
if accountHash == (common.Hash{}) {
list = l.accountNodes[path]
} else {
// Construct the combined key but use only path for shard calculation
key := accountHash.Hex() + path
shardIndex := getStorageShardIndex(path) // Use only path for sharding
list = l.storageNodes[shardIndex][key]
list = l.storageNodes[shardIndex][trienodeKey(accountHash, path)]
}
for i := len(list) - 1; i >= 0; i-- {
// If the current state matches the stateID, or the requested state is a
@ -302,45 +305,25 @@ func (l *lookup) addLayer(diff *diffLayer) {
}
func (l *lookup) addStorageNodes(state common.Hash, nodes map[common.Hash]map[string]*trienode.Node) {
count := 0
for _, slots := range nodes {
count += len(slots)
}
defer func(start time.Time) {
lookupAddTrienodeLayerTimer.UpdateSince(start)
}(time.Now())
// If the number of storage nodes is small, use a single-threaded approach
if count <= 1000 {
for accountHash, slots := range nodes {
accountHex := accountHash.Hex()
for path := range slots {
key := accountHex + path
shardIndex := getStorageShardIndex(path)
list, exists := l.storageNodes[shardIndex][key]
if !exists {
list = make([]common.Hash, 0, 16)
}
list = append(list, state)
l.storageNodes[shardIndex][key] = list
}
}
return
}
// Use concurrent workers for storage nodes updates, one per shard
var wg sync.WaitGroup
var (
wg sync.WaitGroup
tasks = make([]chan string, storageNodesShardCount)
)
wg.Add(storageNodesShardCount)
workChannels := make([]chan string, storageNodesShardCount)
for i := 0; i < storageNodesShardCount; i++ {
workChannels[i] = make(chan string, 10) // Buffer to avoid blocking
tasks[i] = make(chan string, 10) // Buffer to avoid blocking
}
// Start all workers, each handling its own shard
for shardIndex := 0; shardIndex < storageNodesShardCount; shardIndex++ {
go func(shardIdx int) {
defer wg.Done()
shard := l.storageNodes[shardIdx]
for key := range workChannels[shardIdx] {
for key := range tasks[shardIdx] {
list, exists := shard[key]
if !exists {
list = make([]common.Hash, 0, 16) // TODO(rjl493456442) use sync pool
@ -352,18 +335,15 @@ func (l *lookup) addStorageNodes(state common.Hash, nodes map[common.Hash]map[st
}
for accountHash, slots := range nodes {
accountHex := accountHash.Hex()
for path := range slots {
shardIndex := getStorageShardIndex(path)
workChannels[shardIndex] <- accountHex + path
tasks[shardIndex] <- trienodeKey(accountHash, path)
}
}
// Close all channels to signal workers to finish
for i := 0; i < storageNodesShardCount; i++ {
close(workChannels[i])
close(tasks[i])
}
wg.Wait()
}
@ -458,47 +438,23 @@ func (l *lookup) removeLayer(diff *diffLayer) error {
}
func (l *lookup) removeStorageNodes(state common.Hash, nodes map[common.Hash]map[string]*trienode.Node) error {
count := 0
for _, slots := range nodes {
count += len(slots)
}
if count <= 1000 {
for accountHash, slots := range nodes {
accountHex := accountHash.Hex()
for path := range slots {
shard := l.storageNodes[getStorageShardIndex(path)]
key := accountHex + path
found, list := removeFromList(shard[key], state)
if !found {
return fmt.Errorf("storage lookup is not found, %x %x, state: %x", accountHash, path, state)
}
if len(list) != 0 {
shard[key] = list
} else {
delete(shard, key)
}
}
}
return nil
}
// Use concurrent workers for storage nodes removal, one per shard
var eg errgroup.Group
// Create work channels for each shard
workChannels := make([]chan string, storageNodesShardCount)
defer func(start time.Time) {
lookupRemoveTrienodeLayerTimer.UpdateSince(start)
}(time.Now())
var (
eg errgroup.Group
tasks = make([]chan string, storageNodesShardCount)
)
for i := 0; i < storageNodesShardCount; i++ {
workChannels[i] = make(chan string, 10) // Buffer to avoid blocking
tasks[i] = make(chan string, 10) // Buffer to avoid blocking
}
// Start all workers, each handling its own shard
for shardIndex := 0; shardIndex < storageNodesShardCount; shardIndex++ {
shardIdx := shardIndex // Capture the variable
eg.Go(func() error {
shard := l.storageNodes[shardIdx]
for key := range workChannels[shardIdx] {
for key := range tasks[shardIdx] {
found, list := removeFromList(shard[key], state)
if !found {
return fmt.Errorf("storage lookup is not found, key: %s, state: %x", key, state)
@ -514,17 +470,13 @@ func (l *lookup) removeStorageNodes(state common.Hash, nodes map[common.Hash]map
}
for accountHash, slots := range nodes {
accountHex := accountHash.Hex()
for path := range slots {
key := accountHex + path
shardIndex := getStorageShardIndex(path)
workChannels[shardIndex] <- key
tasks[shardIndex] <- trienodeKey(accountHash, path)
}
}
for i := 0; i < storageNodesShardCount; i++ {
close(workChannels[i])
close(tasks[i])
}
return eg.Wait()
}

View file

@ -85,8 +85,10 @@ var (
trienodeIndexHistoryTimer = metrics.NewRegisteredResettingTimer("pathdb/history/trienode/index/time", nil)
trienodeUnindexHistoryTimer = metrics.NewRegisteredResettingTimer("pathdb/history/trienode/unindex/time", nil)
lookupAddLayerTimer = metrics.NewRegisteredResettingTimer("pathdb/lookup/add/time", nil)
lookupRemoveLayerTimer = metrics.NewRegisteredResettingTimer("pathdb/lookup/remove/time", nil)
lookupAddLayerTimer = metrics.NewRegisteredResettingTimer("pathdb/lookup/add/time", nil)
lookupRemoveLayerTimer = metrics.NewRegisteredResettingTimer("pathdb/lookup/remove/time", nil)
lookupAddTrienodeLayerTimer = metrics.NewRegisteredResettingTimer("pathdb/lookup/trienode/add/time", nil)
lookupRemoveTrienodeLayerTimer = metrics.NewRegisteredResettingTimer("pathdb/lookup/trienode/remove/time", nil)
historicalAccountReadTimer = metrics.NewRegisteredResettingTimer("pathdb/history/account/reads", nil)
historicalStorageReadTimer = metrics.NewRegisteredResettingTimer("pathdb/history/storage/reads", nil)