diff --git a/pb/pb.pb.go b/pb/pb.pb.go
index bb8518594..7e991c2d1 100644
--- a/pb/pb.pb.go
+++ b/pb/pb.pb.go
@@ -296,10 +296,10 @@ func (m *ManifestChangeSet) GetChanges() []*ManifestChange {
 
 type ManifestChange struct {
 	Id                   uint64                   `protobuf:"varint,1,opt,name=Id,proto3" json:"Id,omitempty"`
-	Op                   ManifestChange_Operation `protobuf:"varint,2,opt,name=Op,proto3,enum=pb.ManifestChange_Operation" json:"Op,omitempty"`
+	Op                   ManifestChange_Operation `protobuf:"varint,2,opt,name=Op,proto3,enum=dgraph.badger.v2.pb.ManifestChange_Operation" json:"Op,omitempty"`
 	Level                uint32                   `protobuf:"varint,3,opt,name=Level,proto3" json:"Level,omitempty"`
 	KeyId                uint64                   `protobuf:"varint,4,opt,name=key_id,json=keyId,proto3" json:"key_id,omitempty"`
-	EncryptionAlgo       EncryptionAlgo           `protobuf:"varint,5,opt,name=encryption_algo,json=encryptionAlgo,proto3,enum=pb.EncryptionAlgo" json:"encryption_algo,omitempty"`
+	EncryptionAlgo       EncryptionAlgo           `protobuf:"varint,5,opt,name=encryption_algo,json=encryptionAlgo,proto3,enum=dgraph.badger.v2.pb.EncryptionAlgo" json:"encryption_algo,omitempty"`
 	Compression          uint32                   `protobuf:"varint,6,opt,name=compression,proto3" json:"compression,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}                 `json:"-"`
 	XXX_unrecognized     []byte                   `json:"-"`
@@ -508,7 +508,7 @@ func (m *TableIndex) GetEstimatedSize() uint64 {
 }
 
 type Checksum struct {
-	Algo                 Checksum_Algorithm `protobuf:"varint,1,opt,name=algo,proto3,enum=pb.Checksum_Algorithm" json:"algo,omitempty"`
+	Algo                 Checksum_Algorithm `protobuf:"varint,1,opt,name=algo,proto3,enum=dgraph.badger.v2.pb.Checksum_Algorithm" json:"algo,omitempty"`
 	Sum                  uint64             `protobuf:"varint,2,opt,name=sum,proto3" json:"sum,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}           `json:"-"`
 	XXX_unrecognized     []byte             `json:"-"`
@@ -634,64 +634,68 @@ func (m *DataKey) GetCreatedAt() int64 {
 }
 
 func init() {
-	proto.RegisterEnum("pb.EncryptionAlgo", EncryptionAlgo_name, EncryptionAlgo_value)
-	proto.RegisterEnum("pb.ManifestChange_Operation", ManifestChange_Operation_name, ManifestChange_Operation_value)
-	proto.RegisterEnum("pb.Checksum_Algorithm", Checksum_Algorithm_name, Checksum_Algorithm_value)
-	proto.RegisterType((*KV)(nil), "pb.KV")
-	proto.RegisterType((*KVList)(nil), "pb.KVList")
-	proto.RegisterType((*ManifestChangeSet)(nil), "pb.ManifestChangeSet")
-	proto.RegisterType((*ManifestChange)(nil), "pb.ManifestChange")
-	proto.RegisterType((*BlockOffset)(nil), "pb.BlockOffset")
-	proto.RegisterType((*TableIndex)(nil), "pb.TableIndex")
-	proto.RegisterType((*Checksum)(nil), "pb.Checksum")
-	proto.RegisterType((*DataKey)(nil), "pb.DataKey")
+	proto.RegisterEnum("dgraph.badger.v2.pb.EncryptionAlgo", EncryptionAlgo_name, EncryptionAlgo_value)
+	proto.RegisterEnum("dgraph.badger.v2.pb.ManifestChange_Operation", ManifestChange_Operation_name, ManifestChange_Operation_value)
+	proto.RegisterEnum("dgraph.badger.v2.pb.Checksum_Algorithm", Checksum_Algorithm_name, Checksum_Algorithm_value)
+	proto.RegisterType((*KV)(nil), "dgraph.badger.v2.pb.KV")
+	proto.RegisterType((*KVList)(nil), "dgraph.badger.v2.pb.KVList")
+	proto.RegisterType((*ManifestChangeSet)(nil), "dgraph.badger.v2.pb.ManifestChangeSet")
+	proto.RegisterType((*ManifestChange)(nil), "dgraph.badger.v2.pb.ManifestChange")
+	proto.RegisterType((*BlockOffset)(nil), "dgraph.badger.v2.pb.BlockOffset")
+	proto.RegisterType((*TableIndex)(nil), "dgraph.badger.v2.pb.TableIndex")
+	proto.RegisterType((*Checksum)(nil), "dgraph.badger.v2.pb.Checksum")
+	proto.RegisterType((*DataKey)(nil), "dgraph.badger.v2.pb.DataKey")
 }
 
 func init() { proto.RegisterFile("pb.proto", fileDescriptor_f80abaa17e25ccc8) }
 
 var fileDescriptor_f80abaa17e25ccc8 = []byte{
-	// 653 bytes of a gzipped FileDescriptorProto
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-	0xe7, 0x0b, 0x01, 0xb8, 0xe1, 0x13, 0x1f, 0x07, 0xa1, 0x8b, 0x0f, 0xf4, 0x1d, 0x94, 0xb2, 0xd2,
-	0xf5, 0x24, 0x0e, 0x54, 0x57, 0x5b, 0x62, 0x6c, 0xcd, 0xd3, 0x37, 0xb0, 0x3f, 0xf1, 0xa3, 0x28,
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-	0x02, 0x00, 0x00, 0xff, 0xff, 0x8f, 0xf6, 0xa8, 0xfe, 0x26, 0x04, 0x00, 0x00,
+	// 705 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x54, 0xcb, 0x6e, 0xf2, 0x56,
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+	0xf0, 0xba, 0x19, 0x07, 0x57, 0x4e, 0xd0, 0xcd, 0x68, 0xe8, 0x26, 0xbd, 0x6e, 0x68, 0x9a, 0x25,
+	0xf9, 0xd7, 0xba, 0x7e, 0x1f, 0x00, 0x00, 0xff, 0xff, 0xe3, 0xfd, 0x8f, 0x0d, 0xc1, 0x04, 0x00,
+	0x00,
 }
 
 func (m *KV) Marshal() (dAtA []byte, err error) {
diff --git a/pb/pb.proto b/pb/pb.proto
index 7531521b4..9c7751760 100644
--- a/pb/pb.proto
+++ b/pb/pb.proto
@@ -17,7 +17,7 @@
 // Use protos/gen.sh to generate .pb.go files.
 syntax = "proto3";
 
-package pb;
+package dgraph.badger.v2.pb;
 
 option go_package = "github.com/dgraph-io/badger/v2/pb";
 
diff --git a/y/metrics.go b/y/metrics.go
index 2de17d100..742e1aeae 100644
--- a/y/metrics.go
+++ b/y/metrics.go
@@ -52,17 +52,17 @@ var (
 
 // These variables are global and have cumulative values for all kv stores.
 func init() {
-	NumReads = expvar.NewInt("badger_disk_reads_total")
-	NumWrites = expvar.NewInt("badger_disk_writes_total")
-	NumBytesRead = expvar.NewInt("badger_read_bytes")
-	NumBytesWritten = expvar.NewInt("badger_written_bytes")
-	NumLSMGets = expvar.NewMap("badger_lsm_level_gets_total")
-	NumLSMBloomHits = expvar.NewMap("badger_lsm_bloom_hits_total")
-	NumGets = expvar.NewInt("badger_gets_total")
-	NumPuts = expvar.NewInt("badger_puts_total")
-	NumBlockedPuts = expvar.NewInt("badger_blocked_puts_total")
-	NumMemtableGets = expvar.NewInt("badger_memtable_gets_total")
-	LSMSize = expvar.NewMap("badger_lsm_size_bytes")
-	VlogSize = expvar.NewMap("badger_vlog_size_bytes")
-	PendingWrites = expvar.NewMap("badger_pending_writes_total")
+	NumReads = expvar.NewInt("badger_v2_disk_reads_total")
+	NumWrites = expvar.NewInt("badger_v2_disk_writes_total")
+	NumBytesRead = expvar.NewInt("badger_v2_read_bytes")
+	NumBytesWritten = expvar.NewInt("badger_v2_written_bytes")
+	NumLSMGets = expvar.NewMap("badger_v2_lsm_level_gets_total")
+	NumLSMBloomHits = expvar.NewMap("badger_v2_lsm_bloom_hits_total")
+	NumGets = expvar.NewInt("badger_v2_gets_total")
+	NumPuts = expvar.NewInt("badger_v2_puts_total")
+	NumBlockedPuts = expvar.NewInt("badger_v2_blocked_puts_total")
+	NumMemtableGets = expvar.NewInt("badger_v2_memtable_gets_total")
+	LSMSize = expvar.NewMap("badger_v2_lsm_size_bytes")
+	VlogSize = expvar.NewMap("badger_v2_vlog_size_bytes")
+	PendingWrites = expvar.NewMap("badger_v2_pending_writes_total")
 }