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core, trie: intermediate mempool between trie and database (#15857)

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This commit reduces database I/O by not writing every state trie to disk.
This commit is contained in:
Péter Szilágyi
2018-02-05 18:40:32 +02:00
committed by Felix Lange
parent 59336283c0
commit 55599ee95d
69 changed files with 1958 additions and 1164 deletions
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64
light/postprocess.go
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@ -113,7 +113,8 @@ func StoreChtRoot(db ethdb.Database, sectionIdx uint64, sectionHead, root common
// ChtIndexerBackend implements core.ChainIndexerBackend
type ChtIndexerBackend struct {
db, cdb ethdb.Database
diskdb ethdb.Database
triedb *trie.Database
section, sectionSize uint64
lastHash common.Hash
trie *trie.Trie
@ -121,8 +122,6 @@ type ChtIndexerBackend struct {
// NewBloomTrieIndexer creates a BloomTrie chain indexer
func NewChtIndexer(db ethdb.Database, clientMode bool) *core.ChainIndexer {
cdb := ethdb.NewTable(db, ChtTablePrefix)
idb := ethdb.NewTable(db, "chtIndex-")
var sectionSize, confirmReq uint64
if clientMode {
sectionSize = ChtFrequency
@ -131,17 +130,23 @@ func NewChtIndexer(db ethdb.Database, clientMode bool) *core.ChainIndexer {
sectionSize = ChtV1Frequency
confirmReq = HelperTrieProcessConfirmations
}
return core.NewChainIndexer(db, idb, &ChtIndexerBackend{db: db, cdb: cdb, sectionSize: sectionSize}, sectionSize, confirmReq, time.Millisecond*100, "cht")
idb := ethdb.NewTable(db, "chtIndex-")
backend := &ChtIndexerBackend{
diskdb: db,
triedb: trie.NewDatabase(ethdb.NewTable(db, ChtTablePrefix)),
sectionSize: sectionSize,
}
return core.NewChainIndexer(db, idb, backend, sectionSize, confirmReq, time.Millisecond*100, "cht")
}
// Reset implements core.ChainIndexerBackend
func (c *ChtIndexerBackend) Reset(section uint64, lastSectionHead common.Hash) error {
var root common.Hash
if section > 0 {
root = GetChtRoot(c.db, section-1, lastSectionHead)
root = GetChtRoot(c.diskdb, section-1, lastSectionHead)
}
var err error
c.trie, err = trie.New(root, c.cdb)
c.trie, err = trie.New(root, c.triedb)
c.section = section
return err
}
@ -151,7 +156,7 @@ func (c *ChtIndexerBackend) Process(header *types.Header) {
hash, num := header.Hash(), header.Number.Uint64()
c.lastHash = hash
td := core.GetTd(c.db, hash, num)
td := core.GetTd(c.diskdb, hash, num)
if td == nil {
panic(nil)
}
@ -163,17 +168,16 @@ func (c *ChtIndexerBackend) Process(header *types.Header) {
// Commit implements core.ChainIndexerBackend
func (c *ChtIndexerBackend) Commit() error {
batch := c.cdb.NewBatch()
root, err := c.trie.CommitTo(batch)
root, err := c.trie.Commit(nil)
if err != nil {
return err
} else {
batch.Write()
if ((c.section+1)*c.sectionSize)%ChtFrequency == 0 {
log.Info("Storing CHT", "idx", c.section*c.sectionSize/ChtFrequency, "sectionHead", fmt.Sprintf("%064x", c.lastHash), "root", fmt.Sprintf("%064x", root))
}
StoreChtRoot(c.db, c.section, c.lastHash, root)
}
c.triedb.Commit(root, false)
if ((c.section+1)*c.sectionSize)%ChtFrequency == 0 {
log.Info("Storing CHT", "idx", c.section*c.sectionSize/ChtFrequency, "sectionHead", fmt.Sprintf("%064x", c.lastHash), "root", fmt.Sprintf("%064x", root))
}
StoreChtRoot(c.diskdb, c.section, c.lastHash, root)
return nil
}
@ -205,7 +209,8 @@ func StoreBloomTrieRoot(db ethdb.Database, sectionIdx uint64, sectionHead, root
// BloomTrieIndexerBackend implements core.ChainIndexerBackend
type BloomTrieIndexerBackend struct {
db, cdb ethdb.Database
diskdb ethdb.Database
triedb *trie.Database
section, parentSectionSize, bloomTrieRatio uint64
trie *trie.Trie
sectionHeads []common.Hash
@ -213,9 +218,12 @@ type BloomTrieIndexerBackend struct {
// NewBloomTrieIndexer creates a BloomTrie chain indexer
func NewBloomTrieIndexer(db ethdb.Database, clientMode bool) *core.ChainIndexer {
cdb := ethdb.NewTable(db, BloomTrieTablePrefix)
backend := &BloomTrieIndexerBackend{
diskdb: db,
triedb: trie.NewDatabase(ethdb.NewTable(db, BloomTrieTablePrefix)),
}
idb := ethdb.NewTable(db, "bltIndex-")
backend := &BloomTrieIndexerBackend{db: db, cdb: cdb}
var confirmReq uint64
if clientMode {
backend.parentSectionSize = BloomTrieFrequency
@ -233,10 +241,10 @@ func NewBloomTrieIndexer(db ethdb.Database, clientMode bool) *core.ChainIndexer
func (b *BloomTrieIndexerBackend) Reset(section uint64, lastSectionHead common.Hash) error {
var root common.Hash
if section > 0 {
root = GetBloomTrieRoot(b.db, section-1, lastSectionHead)
root = GetBloomTrieRoot(b.diskdb, section-1, lastSectionHead)
}
var err error
b.trie, err = trie.New(root, b.cdb)
b.trie, err = trie.New(root, b.triedb)
b.section = section
return err
}
@ -259,7 +267,7 @@ func (b *BloomTrieIndexerBackend) Commit() error {
binary.BigEndian.PutUint64(encKey[2:10], b.section)
var decomp []byte
for j := uint64(0); j < b.bloomTrieRatio; j++ {
data, err := core.GetBloomBits(b.db, i, b.section*b.bloomTrieRatio+j, b.sectionHeads[j])
data, err := core.GetBloomBits(b.diskdb, i, b.section*b.bloomTrieRatio+j, b.sectionHeads[j])
if err != nil {
return err
}
@ -279,17 +287,15 @@ func (b *BloomTrieIndexerBackend) Commit() error {
b.trie.Delete(encKey[:])
}
}
batch := b.cdb.NewBatch()
root, err := b.trie.CommitTo(batch)
root, err := b.trie.Commit(nil)
if err != nil {
return err
} else {
batch.Write()
sectionHead := b.sectionHeads[b.bloomTrieRatio-1]
log.Info("Storing BloomTrie", "section", b.section, "sectionHead", fmt.Sprintf("%064x", sectionHead), "root", fmt.Sprintf("%064x", root), "compression ratio", float64(compSize)/float64(decompSize))
StoreBloomTrieRoot(b.db, b.section, sectionHead, root)
}
b.triedb.Commit(root, false)
sectionHead := b.sectionHeads[b.bloomTrieRatio-1]
log.Info("Storing BloomTrie", "section", b.section, "sectionHead", fmt.Sprintf("%064x", sectionHead), "root", fmt.Sprintf("%064x", root), "compression ratio", float64(compSize)/float64(decompSize))
StoreBloomTrieRoot(b.diskdb, b.section, sectionHead, root)
return nil
}