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core, ethdb, trie: mode dirty data to clean cache on flush (#19307)

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This PR is a more advanced form of the dirty-to-clean cacher (#18995),
where we reuse previous database write batches as datasets to uncache,
saving a dirty-trie-iteration and a dirty-trie-rlp-reencoding per block.
This commit is contained in:
Martin Holst Swende
2019-03-26 15:48:31 +01:00
committed by Felix Lange
parent df717abc99
commit 59e1953246
12 changed files with 156 additions and 67 deletions
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2
core/blockchain.go
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@ -301,7 +301,7 @@ func (bc *BlockChain) SetHead(head uint64) error {
defer bc.chainmu.Unlock()
// Rewind the header chain, deleting all block bodies until then
delFn := func(db ethdb.Deleter, hash common.Hash, num uint64) {
delFn := func(db ethdb.Writer, hash common.Hash, num uint64) {
rawdb.DeleteBody(db, hash, num)
}
bc.hc.SetHead(head, delFn)