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core: improve snapshot journal recovery (#21594)

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* core/state/snapshot: introduce snapshot journal version

* core: update the disk layer in an atomic way

* core: persist the disk layer generator periodically

* core/state/snapshot: improve logging

* core/state/snapshot: forcibly ensure the legacy snapshot is matched

* core/state/snapshot: add debug logs

* core, tests: fix tests and special recovery case

* core: polish

* core: add more blockchain tests for snapshot recovery

* core/state: fix comment

* core: add recovery flag for snapshot

* core: add restart after start-after-crash tests

* core/rawdb: fix imports

* core: fix tests

* core: remove log

* core/state/snapshot: fix snapshot

* core: avoid callbacks in SetHead

* core: fix setHead cornercase where the threshold root has state

* core: small docs for the test cases

Co-authored-by: Péter Szilágyi <peterke@gmail.com>
This commit is contained in:
gary rong
2020-10-30 03:01:58 +08:00
committed by GitHub
parent 43c278cdf9
commit b63e3c37a6
11 changed files with 1792 additions and 159 deletions
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6
core/rawdb/schema.go
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@ -51,6 +51,12 @@ var (
// snapshotJournalKey tracks the in-memory diff layers across restarts.
snapshotJournalKey = []byte("SnapshotJournal")
// snapshotGeneratorKey tracks the snapshot generation marker across restarts.
snapshotGeneratorKey = []byte("SnapshotGenerator")
// snapshotRecoveryKey tracks the snapshot recovery marker across restarts.
snapshotRecoveryKey = []byte("SnapshotRecovery")
// txIndexTailKey tracks the oldest block whose transactions have been indexed.
txIndexTailKey = []byte("TransactionIndexTail")