ethdb: pebble backend (64bit platforms only) (#26517)

* ethdb: use pebble

Co-authored-by: Gary Rong <garyrong0905@gmail.com>

foo

update

* apply suggested changes

* flags: go format

node: fix ddir lookup mistake

accounts/abi/bind: fix go.mod replacement for generated binding

deps: update pebble + with fix 32-bit build

* ethdb/pebble: respect max memtable size

* core/rawdb, ethdb: enable pebble on non-32bit platforms only

* core/rawdb: fix build tags, fix some review concerns

* core/rawdb: refactor methods for database opening

* core/rawdb: remove erroneous build tag

* cmd/geth: fix the flag default handling + testcase

* cmd/geth: improve testing regarding custom backends

* ethdb/pebble, deps: update pebble dependency

* core/rawdb: replace method with Open

* ethdb/pebble: several updates for pebble (#49)

* ethdb/pebble: fix size count in batch

* ethdb/pebble: disable seek compaction

* ethdb/pebble: more fixes

* ethdb, core, cmd: polish and fixes (#50)

* cmd/utils, core/rawdb, ethdb/pebble: address some review concerns

* Update flags.go

* ethdb/pebble: minor refactors

* ethdb/pebble: avoid copy on batch replay

* ethdb: fix compilation flaw

* cmd: fix test fail due to mismatching error message

* cmd/geth, node: rename backingdb to db.engine

---------

Co-authored-by: Jared Wasinger <j-wasinger@hotmail.com>
Co-authored-by: rjl493456442 <garyrong0905@gmail.com>
Co-authored-by: Péter Szilágyi <peterke@gmail.com>

node/config.go

@@ -202,6 +202,8 @@ type Config struct {
 
 	// EnablePersonal enables the deprecated personal namespace.
 	EnablePersonal bool `toml:"-"`
+
+	DBEngine string `toml:",omitempty"`
 }
 
 // IPCEndpoint resolves an IPC endpoint based on a configured value, taking into

node/defaults.go

@@ -64,6 +64,7 @@ var DefaultConfig = Config{
 		MaxPeers:   50,
 		NAT:        nat.Any(),
 	},
+	DBEngine: "",
 }
 
 // DefaultDataDir is the default data directory to use for the databases and other

node/node.go

@@ -709,7 +709,14 @@ func (n *Node) OpenDatabase(name string, cache, handles int, namespace string, r
 	if n.config.DataDir == "" {
 		db = rawdb.NewMemoryDatabase()
 	} else {
-		db, err = rawdb.NewLevelDBDatabase(n.ResolvePath(name), cache, handles, namespace, readonly)
+		db, err = rawdb.Open(rawdb.OpenOptions{
+			Type:      n.config.DBEngine,
+			Directory: n.ResolvePath(name),
+			Namespace: namespace,
+			Cache:     cache,
+			Handles:   handles,
+			ReadOnly:  readonly,
+		})
 	}
 
 	if err == nil {
@@ -729,13 +736,20 @@ func (n *Node) OpenDatabaseWithFreezer(name string, cache, handles int, ancient
 	if n.state == closedState {
 		return nil, ErrNodeStopped
 	}
-
 	var db ethdb.Database
 	var err error
 	if n.config.DataDir == "" {
 		db = rawdb.NewMemoryDatabase()
 	} else {
-		db, err = rawdb.NewLevelDBDatabaseWithFreezer(n.ResolvePath(name), cache, handles, n.ResolveAncient(name, ancient), namespace, readonly)
+		db, err = rawdb.Open(rawdb.OpenOptions{
+			Type:              n.config.DBEngine,
+			Directory:         n.ResolvePath(name),
+			AncientsDirectory: n.ResolveAncient(name, ancient),
+			Namespace:         namespace,
+			Cache:             cache,
+			Handles:           handles,
+			ReadOnly:          readonly,
+		})
 	}
 
 	if err == nil {