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core, trie: flush preimages to db on blockchain close (#25533)

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* core, trie: flush preimages to db on database close

Co-authored-by: rjl493456442 <garyrong0905@gmail.com>

* rename Close to CommitPreimages for clarity

* core, trie: nitpick fixes

Co-authored-by: rjl493456442 <garyrong0905@gmail.com>
Co-authored-by: Péter Szilágyi <peterke@gmail.com>
This commit is contained in:
Guillaume Ballet 2022-08-17 13:12:10 +02:00 committed by GitHub
parent c4ab7d2291
commit 12185e40e0
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2 changed files with 17 additions and 0 deletions
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4
core/blockchain.go
View File

@ -893,6 +893,10 @@ func (bc *BlockChain) Stop() {
log.Error("Dangling trie nodes after full cleanup") log.Error("Dangling trie nodes after full cleanup")
} }
} }
// Flush the collected preimages to disk
if err := bc.stateCache.TrieDB().CommitPreimages(); err != nil {
log.Error("Failed to commit trie preimages", "err", err)
}
// Ensure all live cached entries be saved into disk, so that we can skip // Ensure all live cached entries be saved into disk, so that we can skip
// cache warmup when node restarts. // cache warmup when node restarts.
if bc.cacheConfig.TrieCleanJournal != "" { if bc.cacheConfig.TrieCleanJournal != "" {

13
trie/database.go
View File

@ -852,3 +852,16 @@ func (db *Database) SaveCachePeriodically(dir string, interval time.Duration, st
} }
} }
} }
// CommitPreimages flushes the dangling preimages to disk. It is meant to be
// called when closing the blockchain object, so that preimages are persisted
// to the database.
func (db *Database) CommitPreimages() error {
db.lock.Lock()
defer db.lock.Unlock()
if db.preimages == nil {
return nil
}
return db.preimages.commit(true)
}