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cmd, core, ethdb: enable Pebble on 32 bits and OpenBSD too (#28335)

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* cmd, core, ethdb: enable Pebble on 32 bits and OpenBSD too

* ethdb/pebble: use Pebble's internal constant calculation
This commit is contained in:
Péter Szilágyi 2023-10-13 22:50:20 +03:00 committed by GitHub
parent 425cb6f65d
commit 509a64ffb9
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 26 additions and 98 deletions
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7
cmd/utils/flags.go
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@ -961,17 +961,12 @@ var (
DataDirFlag,
AncientFlag,
RemoteDBFlag,
DBEngineFlag,
StateSchemeFlag,
HttpHeaderFlag,
}
)
func init() {
if rawdb.PebbleEnabled {
DatabaseFlags = append(DatabaseFlags, DBEngineFlag)
}
}
// MakeDataDir retrieves the currently requested data directory, terminating
// if none (or the empty string) is specified. If the node is starting a testnet,
// then a subdirectory of the specified datadir will be used.

31
core/rawdb/database.go
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@ -30,6 +30,7 @@ import (
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethdb/leveldb"
"github.com/ethereum/go-ethereum/ethdb/memorydb"
"github.com/ethereum/go-ethereum/ethdb/pebble"
"github.com/ethereum/go-ethereum/log"
"github.com/olekukonko/tablewriter"
)
@ -321,6 +322,16 @@ func NewLevelDBDatabase(file string, cache int, handles int, namespace string, r
return NewDatabase(db), nil
}
// NewPebbleDBDatabase creates a persistent key-value database without a freezer
// moving immutable chain segments into cold storage.
func NewPebbleDBDatabase(file string, cache int, handles int, namespace string, readonly, ephemeral bool) (ethdb.Database, error) {
db, err := pebble.New(file, cache, handles, namespace, readonly, ephemeral)
if err != nil {
return nil, err
}
return NewDatabase(db), nil
}
const (
dbPebble = "pebble"
dbLeveldb = "leveldb"
@ -375,26 +386,16 @@ func openKeyValueDatabase(o OpenOptions) (ethdb.Database, error) {
return nil, fmt.Errorf("db.engine choice was %v but found pre-existing %v database in specified data directory", o.Type, existingDb)
}
if o.Type == dbPebble || existingDb == dbPebble {
if PebbleEnabled {
log.Info("Using pebble as the backing database")
return NewPebbleDBDatabase(o.Directory, o.Cache, o.Handles, o.Namespace, o.ReadOnly, o.Ephemeral)
} else {
return nil, errors.New("db.engine 'pebble' not supported on this platform")
}
log.Info("Using pebble as the backing database")
return NewPebbleDBDatabase(o.Directory, o.Cache, o.Handles, o.Namespace, o.ReadOnly, o.Ephemeral)
}
if o.Type == dbLeveldb || existingDb == dbLeveldb {
log.Info("Using leveldb as the backing database")
return NewLevelDBDatabase(o.Directory, o.Cache, o.Handles, o.Namespace, o.ReadOnly)
}
// No pre-existing database, no user-requested one either. Default to Pebble
// on supported platforms and LevelDB on anything else.
if PebbleEnabled {
log.Info("Defaulting to pebble as the backing database")
return NewPebbleDBDatabase(o.Directory, o.Cache, o.Handles, o.Namespace, o.ReadOnly, o.Ephemeral)
} else {
log.Info("Defaulting to leveldb as the backing database")
return NewLevelDBDatabase(o.Directory, o.Cache, o.Handles, o.Namespace, o.ReadOnly)
}
// No pre-existing database, no user-requested one either. Default to Pebble.
log.Info("Defaulting to pebble as the backing database")
return NewPebbleDBDatabase(o.Directory, o.Cache, o.Handles, o.Namespace, o.ReadOnly, o.Ephemeral)
}
// Open opens both a disk-based key-value database such as leveldb or pebble, but also

37
core/rawdb/databases_64bit.go
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@ -1,37 +0,0 @@
// Copyright 2023 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/>
//go:build (arm64 || amd64) && !openbsd
package rawdb
import (
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethdb/pebble"
)
// Pebble is unsupported on 32bit architecture
const PebbleEnabled = true
// NewPebbleDBDatabase creates a persistent key-value database without a freezer
// moving immutable chain segments into cold storage.
func NewPebbleDBDatabase(file string, cache int, handles int, namespace string, readonly, ephemeral bool) (ethdb.Database, error) {
db, err := pebble.New(file, cache, handles, namespace, readonly, ephemeral)
if err != nil {
return nil, err
}
return NewDatabase(db), nil
}

34
core/rawdb/databases_non64bit.go
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@ -1,34 +0,0 @@
// Copyright 2023 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/>.
//go:build !((arm64 || amd64) && !openbsd)
package rawdb
import (
"errors"
"github.com/ethereum/go-ethereum/ethdb"
)
// Pebble is unsuported on 32bit architecture
const PebbleEnabled = false
// NewPebbleDBDatabase creates a persistent key-value database without a freezer
// moving immutable chain segments into cold storage.
func NewPebbleDBDatabase(file string, cache int, handles int, namespace string, readonly, ephemeral bool) (ethdb.Database, error) {
return nil, errors.New("pebble is not supported on this platform")
}

13
ethdb/pebble/pebble.go
View File

@ -14,8 +14,6 @@
// 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/>.
//go:build (arm64 || amd64) && !openbsd
// Package pebble implements the key-value database layer based on pebble.
package pebble
@ -148,8 +146,15 @@ func New(file string, cache int, handles int, namespace string, readonly bool, e
// The max memtable size is limited by the uint32 offsets stored in
// internal/arenaskl.node, DeferredBatchOp, and flushableBatchEntry.
// Taken from https://github.com/cockroachdb/pebble/blob/master/open.go#L38
maxMemTableSize := 4<<30 - 1 // Capped by 4 GB
//
// - MaxUint32 on 64-bit platforms;
// - MaxInt on 32-bit platforms.
//
// It is used when slices are limited to Uint32 on 64-bit platforms (the
// length limit for slices is naturally MaxInt on 32-bit platforms).
//
// Taken from https://github.com/cockroachdb/pebble/blob/master/internal/constants/constants.go
maxMemTableSize := (1<<31)<<(^uint(0)>>63) - 1
// Two memory tables is configured which is identical to leveldb,
// including a frozen memory table and another live one.

2
ethdb/pebble/pebble_test.go
View File

@ -14,8 +14,6 @@
// 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/>.
//go:build (arm64 || amd64) && !openbsd
package pebble
import (