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a simple index cache

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Signed-off-by: Delweng <delweng@gmail.com>
This commit is contained in:
Delweng 2025-07-23 21:12:57 +08:00 committed by jsvisa
parent 604daadaac
commit f15bc8d345
2 changed files with 20 additions and 3 deletions
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18
triedb/pathdb/history_index.go
View file

@ -78,15 +78,27 @@ type indexReader struct {
timings *readTimings
}
// loadIndexData loads the index data associated with the specified state.
func loadIndexData(db ethdb.KeyValueReader, state stateIdent, timings *readTimings) ([]*indexBlockDesc, error) {
func readHistoryIndexWithCache(db ethdb.KeyValueReader, state stateIdent) []byte {
key := state.String()
if val, ok := historyIndexCache.Get(key); ok {
return val
}
var blob []byte
start := time.Now()
if state.account {
blob = rawdb.ReadAccountHistoryIndex(db, state.addressHash)
} else {
blob = rawdb.ReadStorageHistoryIndex(db, state.addressHash, state.storageHash)
}
if len(blob) > 0 {
historyIndexCache.Add(key, blob)
}
return blob
}
// loadIndexData loads the index data associated with the specified state.
func loadIndexData(db ethdb.KeyValueReader, state stateIdent, timings *readTimings) ([]*indexBlockDesc, error) {
start := time.Now()
blob := readHistoryIndexWithCache(db, state)
if timings != nil {
timings.kvdbIndex = time.Since(start)
}

5
triedb/pathdb/history_reader.go
View file

@ -26,11 +26,16 @@ import (
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/lru"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
)
var (
historyIndexCache = lru.NewCache[string, []byte](10000)
)
// stateIdent represents the identifier of a state element, which can be
// either an account or a storage slot.
type stateIdent struct {