plugeth/core/rawdb/ancient_scheme.go
rjl493456442 503f1f7ada
all: activate pbss as experimental feature (#26274)
* all: activate pbss

* core/rawdb: fix compilation error

* cma, core, eth, les, trie: address comments

* cmd, core, eth, trie: polish code

* core, cmd, eth: address comments

* cmd, core, eth, les, light, tests: address comment

* cmd/utils: shorten log message

* trie/triedb/pathdb: limit node buffer size to 1gb

* cmd/utils: fix opening non-existing db

* cmd/utils: rename flag name

* cmd, core: group chain history flags and fix tests

* core, eth, trie: fix memory leak in snapshot generation

* cmd, eth, internal: deprecate flags

* all: enable state tests for pathdb, fixes

* cmd, core: polish code

* trie/triedb/pathdb: limit the node buffer size to 256mb

---------

Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2023-08-10 22:21:36 +03:00

82 lines
3.1 KiB
Go

// Copyright 2022 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rawdb
import "path/filepath"
// The list of table names of chain freezer.
const (
// ChainFreezerHeaderTable indicates the name of the freezer header table.
ChainFreezerHeaderTable = "headers"
// ChainFreezerHashTable indicates the name of the freezer canonical hash table.
ChainFreezerHashTable = "hashes"
// ChainFreezerBodiesTable indicates the name of the freezer block body table.
ChainFreezerBodiesTable = "bodies"
// ChainFreezerReceiptTable indicates the name of the freezer receipts table.
ChainFreezerReceiptTable = "receipts"
// ChainFreezerDifficultyTable indicates the name of the freezer total difficulty table.
ChainFreezerDifficultyTable = "diffs"
)
// chainFreezerNoSnappy configures whether compression is disabled for the ancient-tables.
// Hashes and difficulties don't compress well.
var chainFreezerNoSnappy = map[string]bool{
ChainFreezerHeaderTable: false,
ChainFreezerHashTable: true,
ChainFreezerBodiesTable: false,
ChainFreezerReceiptTable: false,
ChainFreezerDifficultyTable: true,
}
const (
// stateHistoryTableSize defines the maximum size of freezer data files.
stateHistoryTableSize = 2 * 1000 * 1000 * 1000
// stateHistoryAccountIndex indicates the name of the freezer state history table.
stateHistoryMeta = "history.meta"
stateHistoryAccountIndex = "account.index"
stateHistoryStorageIndex = "storage.index"
stateHistoryAccountData = "account.data"
stateHistoryStorageData = "storage.data"
)
var stateFreezerNoSnappy = map[string]bool{
stateHistoryMeta: true,
stateHistoryAccountIndex: false,
stateHistoryStorageIndex: false,
stateHistoryAccountData: false,
stateHistoryStorageData: false,
}
// The list of identifiers of ancient stores.
var (
chainFreezerName = "chain" // the folder name of chain segment ancient store.
stateFreezerName = "state" // the folder name of reverse diff ancient store.
)
// freezers the collections of all builtin freezers.
var freezers = []string{chainFreezerName, stateFreezerName}
// NewStateFreezer initializes the freezer for state history.
func NewStateFreezer(ancientDir string, readOnly bool) (*ResettableFreezer, error) {
return NewResettableFreezer(filepath.Join(ancientDir, stateFreezerName), "eth/db/state", readOnly, stateHistoryTableSize, stateFreezerNoSnappy)
}