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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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6
ethdb/batch.go
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@ -24,7 +24,6 @@ const IdealBatchSize = 100 * 1024
// when Write is called. A batch cannot be used concurrently.
type Batch interface {
Writer
Deleter
// ValueSize retrieves the amount of data queued up for writing.
ValueSize() int
@ -32,8 +31,11 @@ type Batch interface {
// Write flushes any accumulated data to disk.
Write() error
// Reset resets the batch for reuse
// Reset resets the batch for reuse.
Reset()
// Replay replays the batch contents.
Replay(w Writer) error
}
// Batcher wraps the NewBatch method of a backing data store.