mirror of https://github.com/ethereum/go-ethereum
core/rawdb: refactor db inspector for extending multiple ancient store (#25896)
This PR ports a few changes from PBSS: - Fix the snapshot generator waiter in case the generation is not even initialized - Refactor db inspector for ancient storepull/26066/head
rjl493456442
2 years ago
committed by
GitHub
parent
a1fc0d8144
commit
60e30a940b
@ -0,0 +1,121 @@ |
||||
// 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 ( |
||||
"fmt" |
||||
|
||||
"github.com/ethereum/go-ethereum/common" |
||||
"github.com/ethereum/go-ethereum/ethdb" |
||||
) |
||||
|
||||
type tableSize struct { |
||||
name string |
||||
size common.StorageSize |
||||
} |
||||
|
||||
// freezerInfo contains the basic information of the freezer.
|
||||
type freezerInfo struct { |
||||
name string // The identifier of freezer
|
||||
head uint64 // The number of last stored item in the freezer
|
||||
tail uint64 // The number of first stored item in the freezer
|
||||
sizes []tableSize // The storage size per table
|
||||
} |
||||
|
||||
// count returns the number of stored items in the freezer.
|
||||
func (info *freezerInfo) count() uint64 { |
||||
return info.head - info.tail + 1 |
||||
} |
||||
|
||||
// size returns the storage size of the entire freezer.
|
||||
func (info *freezerInfo) size() common.StorageSize { |
||||
var total common.StorageSize |
||||
for _, table := range info.sizes { |
||||
total += table.size |
||||
} |
||||
return total |
||||
} |
||||
|
||||
// inspectFreezers inspects all freezers registered in the system.
|
||||
func inspectFreezers(db ethdb.Database) ([]freezerInfo, error) { |
||||
var infos []freezerInfo |
||||
for _, freezer := range freezers { |
||||
switch freezer { |
||||
case chainFreezerName: |
||||
// Chain ancient store is a bit special. It's always opened along
|
||||
// with the key-value store, inspect the chain store directly.
|
||||
info := freezerInfo{name: freezer} |
||||
// Retrieve storage size of every contained table.
|
||||
for table := range chainFreezerNoSnappy { |
||||
size, err := db.AncientSize(table) |
||||
if err != nil { |
||||
return nil, err |
||||
} |
||||
info.sizes = append(info.sizes, tableSize{name: table, size: common.StorageSize(size)}) |
||||
} |
||||
// Retrieve the number of last stored item
|
||||
ancients, err := db.Ancients() |
||||
if err != nil { |
||||
return nil, err |
||||
} |
||||
info.head = ancients - 1 |
||||
|
||||
// Retrieve the number of first stored item
|
||||
tail, err := db.Tail() |
||||
if err != nil { |
||||
return nil, err |
||||
} |
||||
info.tail = tail |
||||
infos = append(infos, info) |
||||
|
||||
default: |
||||
return nil, fmt.Errorf("unknown freezer, supported ones: %v", freezers) |
||||
} |
||||
} |
||||
return infos, nil |
||||
} |
||||
|
||||
// InspectFreezerTable dumps out the index of a specific freezer table. The passed
|
||||
// ancient indicates the path of root ancient directory where the chain freezer can
|
||||
// be opened. Start and end specify the range for dumping out indexes.
|
||||
// Note this function can only be used for debugging purposes.
|
||||
func InspectFreezerTable(ancient string, freezerName string, tableName string, start, end int64) error { |
||||
var ( |
||||
path string |
||||
tables map[string]bool |
||||
) |
||||
switch freezerName { |
||||
case chainFreezerName: |
||||
path, tables = resolveChainFreezerDir(ancient), chainFreezerNoSnappy |
||||
default: |
||||
return fmt.Errorf("unknown freezer, supported ones: %v", freezers) |
||||
} |
||||
noSnappy, exist := tables[tableName] |
||||
if !exist { |
||||
var names []string |
||||
for name := range tables { |
||||
names = append(names, name) |
||||
} |
||||
return fmt.Errorf("unknown table, supported ones: %v", names) |
||||
} |
||||
table, err := newFreezerTable(path, tableName, noSnappy, true) |
||||
if err != nil { |
||||
return err |
||||
} |
||||
table.dumpIndexStdout(start, end) |
||||
return nil |
||||
} |
||||
Loading…
Reference in new issue