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cmd, core/state: allow configurable trie cache generations

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This commit is contained in:
Péter Szilágyi
2016-10-19 14:55:13 +03:00
parent ca49510e6d
commit 4f46bd19d0
5 changed files with 29 additions and 12 deletions
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10
core/state/statedb.go
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@ -38,14 +38,14 @@ import (
// created.
var StartingNonce uint64
// Trie cache generation limit after which to evic trie nodes from memory.
var MaxTrieCacheGen = uint16(120)
const (
// Number of past tries to keep. This value is chosen such that
// reasonable chain reorg depths will hit an existing trie.
maxPastTries = 12
// Trie cache generation limit.
maxTrieCacheGen = 120
// Number of codehash->size associations to keep.
codeSizeCacheSize = 100000
)
@ -89,7 +89,7 @@ type StateDB struct {
// Create a new state from a given trie
func New(root common.Hash, db ethdb.Database) (*StateDB, error) {
tr, err := trie.NewSecure(root, db, maxTrieCacheGen)
tr, err := trie.NewSecure(root, db, MaxTrieCacheGen)
if err != nil {
return nil, err
}
@ -158,7 +158,7 @@ func (self *StateDB) openTrie(root common.Hash) (*trie.SecureTrie, error) {
return &tr, nil
}
}
return trie.NewSecure(root, self.db, maxTrieCacheGen)
return trie.NewSecure(root, self.db, MaxTrieCacheGen)
}
func (self *StateDB) pushTrie(t *trie.SecureTrie) {