diff --git a/_vendor/src/github.com/pingcap/kvproto/pkg/kvrpcpb/kvrpcpb.pb.go b/_vendor/src/github.com/pingcap/kvproto/pkg/kvrpcpb/kvrpcpb.pb.go
index 012e6c60d4..8dd34143f8 100644
--- a/_vendor/src/github.com/pingcap/kvproto/pkg/kvrpcpb/kvrpcpb.pb.go
+++ b/_vendor/src/github.com/pingcap/kvproto/pkg/kvrpcpb/kvrpcpb.pb.go
@@ -53,6 +53,8 @@
 		MvccGetByKeyResponse
 		MvccGetByStartTsRequest
 		MvccGetByStartTsResponse
+		SplitRegionRequest
+		SplitRegionResponse
 */
 package kvrpcpb
 
@@ -230,6 +232,7 @@ type Context struct {
 	Term           uint64              `protobuf:"varint,5,opt,name=term,proto3" json:"term,omitempty"`
 	Priority       CommandPri          `protobuf:"varint,6,opt,name=priority,proto3,enum=kvrpcpb.CommandPri" json:"priority,omitempty"`
 	IsolationLevel IsolationLevel      `protobuf:"varint,7,opt,name=isolation_level,json=isolationLevel,proto3,enum=kvrpcpb.IsolationLevel" json:"isolation_level,omitempty"`
+	NotFillCache   bool                `protobuf:"varint,8,opt,name=not_fill_cache,json=notFillCache,proto3" json:"not_fill_cache,omitempty"`
 }
 
 func (m *Context) Reset()                    { *m = Context{} }
@@ -279,6 +282,13 @@ func (m *Context) GetIsolationLevel() IsolationLevel {
 	return IsolationLevel_SI
 }
 
+func (m *Context) GetNotFillCache() bool {
+	if m != nil {
+		return m.NotFillCache
+	}
+	return false
+}
+
 type GetRequest struct {
 	Context *Context `protobuf:"bytes,1,opt,name=context" json:"context,omitempty"`
 	Key     []byte   `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
@@ -1497,6 +1507,62 @@ func (m *MvccGetByStartTsResponse) GetInfo() *MvccInfo {
 	return nil
 }
 
+type SplitRegionRequest struct {
+	Context  *Context `protobuf:"bytes,1,opt,name=context" json:"context,omitempty"`
+	SplitKey []byte   `protobuf:"bytes,2,opt,name=split_key,json=splitKey,proto3" json:"split_key,omitempty"`
+}
+
+func (m *SplitRegionRequest) Reset()                    { *m = SplitRegionRequest{} }
+func (m *SplitRegionRequest) String() string            { return proto.CompactTextString(m) }
+func (*SplitRegionRequest) ProtoMessage()               {}
+func (*SplitRegionRequest) Descriptor() ([]byte, []int) { return fileDescriptorKvrpcpb, []int{44} }
+
+func (m *SplitRegionRequest) GetContext() *Context {
+	if m != nil {
+		return m.Context
+	}
+	return nil
+}
+
+func (m *SplitRegionRequest) GetSplitKey() []byte {
+	if m != nil {
+		return m.SplitKey
+	}
+	return nil
+}
+
+type SplitRegionResponse struct {
+	RegionError *errorpb.Error `protobuf:"bytes,1,opt,name=region_error,json=regionError" json:"region_error,omitempty"`
+	Left        *metapb.Region `protobuf:"bytes,2,opt,name=left" json:"left,omitempty"`
+	Right       *metapb.Region `protobuf:"bytes,3,opt,name=right" json:"right,omitempty"`
+}
+
+func (m *SplitRegionResponse) Reset()                    { *m = SplitRegionResponse{} }
+func (m *SplitRegionResponse) String() string            { return proto.CompactTextString(m) }
+func (*SplitRegionResponse) ProtoMessage()               {}
+func (*SplitRegionResponse) Descriptor() ([]byte, []int) { return fileDescriptorKvrpcpb, []int{45} }
+
+func (m *SplitRegionResponse) GetRegionError() *errorpb.Error {
+	if m != nil {
+		return m.RegionError
+	}
+	return nil
+}
+
+func (m *SplitRegionResponse) GetLeft() *metapb.Region {
+	if m != nil {
+		return m.Left
+	}
+	return nil
+}
+
+func (m *SplitRegionResponse) GetRight() *metapb.Region {
+	if m != nil {
+		return m.Right
+	}
+	return nil
+}
+
 func init() {
 	proto.RegisterType((*LockInfo)(nil), "kvrpcpb.LockInfo")
 	proto.RegisterType((*KeyError)(nil), "kvrpcpb.KeyError")
@@ -1542,6 +1608,8 @@ func init() {
 	proto.RegisterType((*MvccGetByKeyResponse)(nil), "kvrpcpb.MvccGetByKeyResponse")
 	proto.RegisterType((*MvccGetByStartTsRequest)(nil), "kvrpcpb.MvccGetByStartTsRequest")
 	proto.RegisterType((*MvccGetByStartTsResponse)(nil), "kvrpcpb.MvccGetByStartTsResponse")
+	proto.RegisterType((*SplitRegionRequest)(nil), "kvrpcpb.SplitRegionRequest")
+	proto.RegisterType((*SplitRegionResponse)(nil), "kvrpcpb.SplitRegionResponse")
 	proto.RegisterEnum("kvrpcpb.CommandPri", CommandPri_name, CommandPri_value)
 	proto.RegisterEnum("kvrpcpb.IsolationLevel", IsolationLevel_name, IsolationLevel_value)
 	proto.RegisterEnum("kvrpcpb.Op", Op_name, Op_value)
@@ -1681,6 +1749,16 @@ func (m *Context) MarshalTo(dAtA []byte) (int, error) {
 		i++
 		i = encodeVarintKvrpcpb(dAtA, i, uint64(m.IsolationLevel))
 	}
+	if m.NotFillCache {
+		dAtA[i] = 0x40
+		i++
+		if m.NotFillCache {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
 	return i, nil
 }
 
@@ -3321,6 +3399,88 @@ func (m *MvccGetByStartTsResponse) MarshalTo(dAtA []byte) (int, error) {
 	return i, nil
 }
 
+func (m *SplitRegionRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *SplitRegionRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Context != nil {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintKvrpcpb(dAtA, i, uint64(m.Context.Size()))
+		n50, err := m.Context.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n50
+	}
+	if len(m.SplitKey) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintKvrpcpb(dAtA, i, uint64(len(m.SplitKey)))
+		i += copy(dAtA[i:], m.SplitKey)
+	}
+	return i, nil
+}
+
+func (m *SplitRegionResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *SplitRegionResponse) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.RegionError != nil {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintKvrpcpb(dAtA, i, uint64(m.RegionError.Size()))
+		n51, err := m.RegionError.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n51
+	}
+	if m.Left != nil {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintKvrpcpb(dAtA, i, uint64(m.Left.Size()))
+		n52, err := m.Left.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n52
+	}
+	if m.Right != nil {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintKvrpcpb(dAtA, i, uint64(m.Right.Size()))
+		n53, err := m.Right.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n53
+	}
+	return i, nil
+}
+
 func encodeFixed64Kvrpcpb(dAtA []byte, offset int, v uint64) int {
 	dAtA[offset] = uint8(v)
 	dAtA[offset+1] = uint8(v >> 8)
@@ -3409,6 +3569,9 @@ func (m *Context) Size() (n int) {
 	if m.IsolationLevel != 0 {
 		n += 1 + sovKvrpcpb(uint64(m.IsolationLevel))
 	}
+	if m.NotFillCache {
+		n += 2
+	}
 	return n
 }
 
@@ -4100,6 +4263,38 @@ func (m *MvccGetByStartTsResponse) Size() (n int) {
 	return n
 }
 
+func (m *SplitRegionRequest) Size() (n int) {
+	var l int
+	_ = l
+	if m.Context != nil {
+		l = m.Context.Size()
+		n += 1 + l + sovKvrpcpb(uint64(l))
+	}
+	l = len(m.SplitKey)
+	if l > 0 {
+		n += 1 + l + sovKvrpcpb(uint64(l))
+	}
+	return n
+}
+
+func (m *SplitRegionResponse) Size() (n int) {
+	var l int
+	_ = l
+	if m.RegionError != nil {
+		l = m.RegionError.Size()
+		n += 1 + l + sovKvrpcpb(uint64(l))
+	}
+	if m.Left != nil {
+		l = m.Left.Size()
+		n += 1 + l + sovKvrpcpb(uint64(l))
+	}
+	if m.Right != nil {
+		l = m.Right.Size()
+		n += 1 + l + sovKvrpcpb(uint64(l))
+	}
+	return n
+}
+
 func sovKvrpcpb(x uint64) (n int) {
 	for {
 		n++
@@ -4575,6 +4770,26 @@ func (m *Context) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 8:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NotFillCache", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowKvrpcpb
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.NotFillCache = bool(v != 0)
 		default:
 			iNdEx = preIndex
 			skippy, err := skipKvrpcpb(dAtA[iNdEx:])
@@ -9850,6 +10065,269 @@ func (m *MvccGetByStartTsResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *SplitRegionRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowKvrpcpb
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: SplitRegionRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: SplitRegionRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Context", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowKvrpcpb
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthKvrpcpb
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Context == nil {
+				m.Context = &Context{}
+			}
+			if err := m.Context.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field SplitKey", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowKvrpcpb
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthKvrpcpb
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.SplitKey = append(m.SplitKey[:0], dAtA[iNdEx:postIndex]...)
+			if m.SplitKey == nil {
+				m.SplitKey = []byte{}
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipKvrpcpb(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthKvrpcpb
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *SplitRegionResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowKvrpcpb
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: SplitRegionResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: SplitRegionResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RegionError", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowKvrpcpb
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthKvrpcpb
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.RegionError == nil {
+				m.RegionError = &errorpb.Error{}
+			}
+			if err := m.RegionError.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Left", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowKvrpcpb
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthKvrpcpb
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Left == nil {
+				m.Left = &metapb.Region{}
+			}
+			if err := m.Left.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Right", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowKvrpcpb
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthKvrpcpb
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Right == nil {
+				m.Right = &metapb.Region{}
+			}
+			if err := m.Right.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipKvrpcpb(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthKvrpcpb
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipKvrpcpb(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0
@@ -9958,96 +10436,101 @@ var (
 func init() { proto.RegisterFile("kvrpcpb.proto", fileDescriptorKvrpcpb) }
 
 var fileDescriptorKvrpcpb = []byte{
-	// 1445 bytes of a gzipped FileDescriptorProto
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-	0x20, 0x21, 0xf1, 0x88, 0x04, 0x42, 0xbc, 0xf0, 0xc8, 0x37, 0xe1, 0x91, 0x8f, 0x80, 0xca, 0x17,
-	0x41, 0xbb, 0xfe, 0x97, 0x5c, 0x52, 0x38, 0x59, 0x69, 0x9e, 0x92, 0x9d, 0x99, 0xdd, 0x99, 0xdf,
-	0xcc, 0x6f, 0x67, 0xbd, 0x0b, 0x75, 0x7b, 0xe6, 0x7b, 0xa6, 0x77, 0xda, 0xf1, 0x7c, 0xca, 0x28,
-	0x2a, 0xc7, 0xc3, 0xeb, 0xb5, 0x09, 0x61, 0x46, 0x22, 0xbe, 0x5e, 0x27, 0xbe, 0x4f, 0xfd, 0x74,
-	0xb8, 0x3d, 0xa2, 0x23, 0x2a, 0xfe, 0xde, 0xe5, 0xff, 0x22, 0xa9, 0xfe, 0x0d, 0xa8, 0x8f, 0xa9,
-	0x69, 0x1f, 0xb8, 0x2f, 0x29, 0xba, 0x05, 0x35, 0xcf, 0xb7, 0x26, 0x86, 0x1f, 0x0e, 0x1c, 0x6a,
-	0xda, 0x2d, 0xa9, 0x2d, 0xed, 0xd5, 0x70, 0x35, 0x96, 0x71, 0x33, 0x6e, 0xc2, 0x55, 0x83, 0x19,
-	0xf1, 0x03, 0x8b, 0xba, 0x2d, 0xb9, 0x2d, 0xed, 0x29, 0xb8, 0xca, 0x65, 0x27, 0x91, 0x08, 0x69,
-	0x50, 0xb0, 0x49, 0xd8, 0x2a, 0x88, 0xc9, 0xfc, 0x2f, 0xba, 0x06, 0xaa, 0x98, 0xc4, 0x98, 0xd3,
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-	0x74, 0x07, 0x4a, 0x5c, 0x4c, 0x86, 0xc2, 0x71, 0xb5, 0x7b, 0xb9, 0x93, 0xc0, 0x4c, 0x22, 0xc4,
-	0xb1, 0x01, 0x7a, 0x0f, 0x2a, 0x3e, 0x61, 0x7e, 0x68, 0x9c, 0x3a, 0x44, 0xc4, 0x50, 0xc1, 0x99,
-	0x00, 0x6d, 0x43, 0xd1, 0x38, 0xa5, 0x3e, 0x13, 0x31, 0x54, 0x70, 0x34, 0xd0, 0x7f, 0x95, 0xa1,
-	0xdc, 0xa3, 0x2e, 0x23, 0xaf, 0x19, 0xba, 0xc1, 0xe7, 0x8f, 0x2c, 0xea, 0x0e, 0xac, 0xc8, 0x9b,
-	0x82, 0xd5, 0x48, 0x70, 0x30, 0x44, 0x9f, 0x42, 0x2d, 0x56, 0x12, 0x8f, 0x9a, 0x63, 0xb1, 0x7e,
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 }
diff --git a/_vendor/src/github.com/pingcap/kvproto/pkg/tikvpb/tikvpb.pb.go b/_vendor/src/github.com/pingcap/kvproto/pkg/tikvpb/tikvpb.pb.go
index f4dba945e4..956df40649 100644
--- a/_vendor/src/github.com/pingcap/kvproto/pkg/tikvpb/tikvpb.pb.go
+++ b/_vendor/src/github.com/pingcap/kvproto/pkg/tikvpb/tikvpb.pb.go
@@ -74,6 +74,8 @@ type TikvClient interface {
 	// Raft commands (tikv <-> tikv).
 	Raft(ctx context.Context, opts ...grpc.CallOption) (Tikv_RaftClient, error)
 	Snapshot(ctx context.Context, opts ...grpc.CallOption) (Tikv_SnapshotClient, error)
+	// Region commands.
+	SplitRegion(ctx context.Context, in *kvrpcpb.SplitRegionRequest, opts ...grpc.CallOption) (*kvrpcpb.SplitRegionResponse, error)
 	// transaction debugger commands.
 	MvccGetByKey(ctx context.Context, in *kvrpcpb.MvccGetByKeyRequest, opts ...grpc.CallOption) (*kvrpcpb.MvccGetByKeyResponse, error)
 	MvccGetByStartTs(ctx context.Context, in *kvrpcpb.MvccGetByStartTsRequest, opts ...grpc.CallOption) (*kvrpcpb.MvccGetByStartTsResponse, error)
@@ -308,6 +310,15 @@ func (x *tikvSnapshotClient) CloseAndRecv() (*raft_serverpb.Done, error) {
 	return m, nil
 }
 
+func (c *tikvClient) SplitRegion(ctx context.Context, in *kvrpcpb.SplitRegionRequest, opts ...grpc.CallOption) (*kvrpcpb.SplitRegionResponse, error) {
+	out := new(kvrpcpb.SplitRegionResponse)
+	err := grpc.Invoke(ctx, "/tikvpb.Tikv/SplitRegion", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *tikvClient) MvccGetByKey(ctx context.Context, in *kvrpcpb.MvccGetByKeyRequest, opts ...grpc.CallOption) (*kvrpcpb.MvccGetByKeyResponse, error) {
 	out := new(kvrpcpb.MvccGetByKeyResponse)
 	err := grpc.Invoke(ctx, "/tikvpb.Tikv/MvccGetByKey", in, out, c.cc, opts...)
@@ -352,6 +363,8 @@ type TikvServer interface {
 	// Raft commands (tikv <-> tikv).
 	Raft(Tikv_RaftServer) error
 	Snapshot(Tikv_SnapshotServer) error
+	// Region commands.
+	SplitRegion(context.Context, *kvrpcpb.SplitRegionRequest) (*kvrpcpb.SplitRegionResponse, error)
 	// transaction debugger commands.
 	MvccGetByKey(context.Context, *kvrpcpb.MvccGetByKeyRequest) (*kvrpcpb.MvccGetByKeyResponse, error)
 	MvccGetByStartTs(context.Context, *kvrpcpb.MvccGetByStartTsRequest) (*kvrpcpb.MvccGetByStartTsResponse, error)
@@ -719,6 +732,24 @@ func (x *tikvSnapshotServer) Recv() (*raft_serverpb.SnapshotChunk, error) {
 	return m, nil
 }
 
+func _Tikv_SplitRegion_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(kvrpcpb.SplitRegionRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(TikvServer).SplitRegion(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/tikvpb.Tikv/SplitRegion",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(TikvServer).SplitRegion(ctx, req.(*kvrpcpb.SplitRegionRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Tikv_MvccGetByKey_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(kvrpcpb.MvccGetByKeyRequest)
 	if err := dec(in); err != nil {
@@ -827,6 +858,10 @@ var _Tikv_serviceDesc = grpc.ServiceDesc{
 			MethodName: "Coprocessor",
 			Handler:    _Tikv_Coprocessor_Handler,
 		},
+		{
+			MethodName: "SplitRegion",
+			Handler:    _Tikv_SplitRegion_Handler,
+		},
 		{
 			MethodName: "MvccGetByKey",
 			Handler:    _Tikv_MvccGetByKey_Handler,
@@ -854,42 +889,43 @@ var _Tikv_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("tikvpb.proto", fileDescriptorTikvpb) }
 
 var fileDescriptorTikvpb = []byte{
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-	0x06, 0x00, 0x00,
+	// 597 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x95, 0x4f, 0x6f, 0xd3, 0x30,
+	0x18, 0xc6, 0x57, 0xa9, 0x94, 0xcd, 0xdd, 0x04, 0xb8, 0x05, 0xba, 0xb0, 0x55, 0xb0, 0x13, 0xe2,
+	0x10, 0xc4, 0x1f, 0x89, 0x03, 0x7f, 0x04, 0x4d, 0xa5, 0x0a, 0xb2, 0x4a, 0x55, 0xba, 0x0b, 0x27,
+	0xe4, 0x46, 0xef, 0xd2, 0x28, 0x69, 0x1c, 0x62, 0xd7, 0xd5, 0xbe, 0x09, 0x1f, 0x89, 0x23, 0x77,
+	0x2e, 0xa8, 0x7c, 0x11, 0x94, 0xa4, 0x76, 0xec, 0xa6, 0xe5, 0xd4, 0xe4, 0xf7, 0xbc, 0xcf, 0x93,
+	0xb7, 0xce, 0x6b, 0x07, 0x1d, 0xf3, 0x30, 0x12, 0xe9, 0xcc, 0x4e, 0x33, 0xca, 0x29, 0x6e, 0x95,
+	0x77, 0xd6, 0x3d, 0x9f, 0xa6, 0x19, 0xf5, 0x81, 0x31, 0x9a, 0x95, 0x92, 0x75, 0x12, 0x89, 0x2c,
+	0xf5, 0x65, 0xa5, 0xd5, 0xc9, 0xc8, 0x35, 0xff, 0xc6, 0x20, 0x13, 0x90, 0x29, 0xd8, 0x0d, 0x68,
+	0x40, 0x8b, 0xcb, 0xe7, 0xf9, 0x55, 0x49, 0x5f, 0xfe, 0x6e, 0xa3, 0xe6, 0x55, 0x18, 0x09, 0xfc,
+	0x1a, 0xdd, 0x72, 0xc5, 0x08, 0x38, 0xee, 0xd8, 0x32, 0x6c, 0x04, 0xdc, 0x83, 0xef, 0x4b, 0x60,
+	0xdc, 0xea, 0x9a, 0x90, 0xa5, 0x34, 0x61, 0x70, 0x71, 0x80, 0xdf, 0xa0, 0x96, 0x2b, 0xa6, 0x3e,
+	0x49, 0x70, 0x55, 0x91, 0xdf, 0x4a, 0xdf, 0xfd, 0x2d, 0xaa, 0x8c, 0x0e, 0x42, 0xae, 0x98, 0x64,
+	0xb0, 0xca, 0x42, 0x0e, 0xb8, 0xa7, 0xca, 0x24, 0x92, 0x01, 0xa7, 0x3b, 0x14, 0x15, 0xf2, 0x1e,
+	0x1d, 0xba, 0xc2, 0xa1, 0x8b, 0x45, 0xc8, 0xf1, 0x03, 0x55, 0x58, 0x02, 0x19, 0xf0, 0xb0, 0xc6,
+	0x4d, 0xfb, 0xe7, 0x45, 0x4a, 0x33, 0xdd, 0x5e, 0x82, 0xba, 0x5d, 0x72, 0x65, 0xff, 0x88, 0x8e,
+	0x5c, 0xe1, 0xc4, 0x40, 0x92, 0x65, 0x8a, 0xb5, 0xc7, 0x94, 0x44, 0x06, 0xf4, 0xea, 0x82, 0xb9,
+	0x08, 0x03, 0xc2, 0xfd, 0x79, 0xbe, 0xf0, 0x55, 0xa5, 0x44, 0xf5, 0x45, 0xa8, 0x14, 0x15, 0xe2,
+	0xa1, 0x3b, 0x9b, 0x10, 0x8f, 0xc6, 0xf1, 0x8c, 0xf8, 0x11, 0x3e, 0x37, 0xeb, 0x25, 0x97, 0x71,
+	0xfd, 0x7d, 0xb2, 0xd9, 0x58, 0xfe, 0xc6, 0x2e, 0xa9, 0x1f, 0x69, 0x8d, 0x49, 0x54, 0x6f, 0xac,
+	0x52, 0x54, 0xc8, 0x25, 0x3a, 0x71, 0x85, 0x07, 0x8c, 0xc6, 0x02, 0x8a, 0x9c, 0x47, 0xaa, 0x5a,
+	0xa3, 0x32, 0xea, 0x6c, 0xb7, 0xa8, 0xd2, 0x5e, 0xa0, 0xa6, 0x2b, 0x46, 0x0e, 0xc6, 0xd5, 0x24,
+	0x3a, 0xd2, 0xdb, 0x31, 0x98, 0xd9, 0xc0, 0x10, 0x62, 0xe0, 0xe0, 0x91, 0x24, 0x00, 0xad, 0x01,
+	0x8d, 0xd6, 0x1b, 0x30, 0x44, 0x95, 0xf6, 0x16, 0xb5, 0x3c, 0xb2, 0xca, 0x5f, 0x54, 0x35, 0x2b,
+	0x25, 0xa8, 0xcf, 0x8a, 0xe4, 0x5b, 0xe6, 0xc9, 0x72, 0xcb, 0x3c, 0x59, 0xee, 0x36, 0x17, 0x5c,
+	0x99, 0x87, 0xe8, 0xc8, 0x23, 0xab, 0xb2, 0x2b, 0x7c, 0xaa, 0xd7, 0x6d, 0x3a, 0xdd, 0x44, 0x58,
+	0xbb, 0x24, 0x95, 0xf2, 0x01, 0xdd, 0xf6, 0xc8, 0xaa, 0xd8, 0xab, 0xc6, 0xb3, 0xf4, 0xed, 0xda,
+	0xab, 0x0b, 0xca, 0xff, 0x0e, 0xb5, 0x9d, 0xea, 0xe0, 0xc1, 0x5d, 0x5b, 0x3f, 0x86, 0xaa, 0xfd,
+	0x6e, 0x52, 0x6d, 0x01, 0x9a, 0x1e, 0xb9, 0xe6, 0xd8, 0xb2, 0xcd, 0xb3, 0x29, 0x87, 0x63, 0x60,
+	0x8c, 0x04, 0x60, 0x75, 0xb6, 0xb4, 0x21, 0x4d, 0xe0, 0xe2, 0xe0, 0x69, 0x03, 0x7f, 0x42, 0x87,
+	0xd3, 0x84, 0xa4, 0x6c, 0x4e, 0x39, 0x3e, 0xdb, 0x2a, 0x92, 0x82, 0x33, 0x5f, 0x26, 0xd1, 0xfe,
+	0x88, 0x2f, 0xa8, 0x3d, 0x4d, 0xe3, 0x7c, 0xfb, 0x07, 0x21, 0x4d, 0xb4, 0x49, 0xd0, 0x68, 0x7d,
+	0x12, 0x0c, 0x51, 0xfd, 0x97, 0x31, 0x3a, 0x1e, 0x0b, 0xdf, 0x1f, 0x01, 0x1f, 0xdc, 0xb8, 0x70,
+	0x83, 0xab, 0x7a, 0x1d, 0xcb, 0xb4, 0xf3, 0x3d, 0xaa, 0x8a, 0xfb, 0x8a, 0xee, 0x2a, 0x65, 0xca,
+	0x49, 0xc6, 0xaf, 0x18, 0x7e, 0x5c, 0x37, 0x6d, 0x24, 0x19, 0xfb, 0xe4, 0x3f, 0x15, 0x32, 0x7a,
+	0xf0, 0xec, 0xe7, 0xba, 0xdf, 0xf8, 0xb5, 0xee, 0x37, 0xfe, 0xac, 0xfb, 0x8d, 0x1f, 0x7f, 0xfb,
+	0x07, 0xa8, 0xe7, 0xd3, 0x85, 0x9d, 0x86, 0x49, 0xe0, 0x93, 0xd4, 0xce, 0x3f, 0x28, 0x76, 0x24,
+	0x8a, 0x2f, 0xc1, 0xac, 0x55, 0xfc, 0xbc, 0xfa, 0x17, 0x00, 0x00, 0xff, 0xff, 0x0e, 0x4a, 0xad,
+	0x04, 0x75, 0x06, 0x00, 0x00,
 }
diff --git a/config/config.go b/config/config.go
index e75e62ef12..84e296fcd1 100644
--- a/config/config.go
+++ b/config/config.go
@@ -29,6 +29,7 @@ type Config struct {
 	BinlogSocket string `toml:"binlog-socket" json:"binlog-socket"`
 	Lease        string `toml:"lease" json:"lease"`
 	RunDDL       bool   `toml:"run-ddl" json:"run-ddl"`
+	SplitTable   bool   `toml:"split-table" json:"split-table"`
 
 	Log         Log         `toml:"log" json:"log"`
 	Security    Security    `toml:"security" json:"security"`
diff --git a/config/config.toml.example b/config/config.toml.example
index a1b1730172..3dc3c52b42 100644
--- a/config/config.toml.example
+++ b/config/config.toml.example
@@ -24,6 +24,9 @@ run-ddl = true
 # Schema lease duration, very dangerous to change only if you know what you do.
 lease = "10s"
 
+# When create table, split a separated region for it.
+# split-table = false
+
 [log]
 # Log level: info, debug, warn, error, fatal.
 level = "info"
diff --git a/ddl/ddl.go b/ddl/ddl.go
index e4131a6bbc..2443457409 100644
--- a/ddl/ddl.go
+++ b/ddl/ddl.go
@@ -53,6 +53,10 @@ var (
 	// TableColumnCountLimit is limit of the number of columns in a table.
 	// It's exported for testing.
 	TableColumnCountLimit = 512
+	// EnableSplitTableRegion is a flag to decide whether to split a new region for
+	// a newly created table. It takes effect only if the Storage supports split
+	// region.
+	EnableSplitTableRegion = false
 )
 
 var (
diff --git a/ddl/table.go b/ddl/table.go
index 14c36205f8..6c609d0607 100644
--- a/ddl/table.go
+++ b/ddl/table.go
@@ -18,6 +18,7 @@ import (
 
 	"github.com/juju/errors"
 	"github.com/pingcap/tidb/infoschema"
+	"github.com/pingcap/tidb/kv"
 	"github.com/pingcap/tidb/meta"
 	"github.com/pingcap/tidb/meta/autoid"
 	"github.com/pingcap/tidb/model"
@@ -54,6 +55,12 @@ func (d *ddl) onCreateTable(t *meta.Meta, job *model.Job) (ver int64, _ error) {
 		if err != nil {
 			return ver, errors.Trace(err)
 		}
+		if EnableSplitTableRegion {
+			err = d.splitTableRegion(tbInfo.ID)
+			if err != nil {
+				return ver, errors.Trace(err)
+			}
+		}
 		// Finish this job.
 		job.State = model.JobDone
 		job.BinlogInfo.AddTableInfo(ver, tbInfo)
@@ -124,6 +131,25 @@ func (d *ddl) onDropTable(t *meta.Meta, job *model.Job) (ver int64, _ error) {
 	return ver, errors.Trace(err)
 }
 
+func (d *ddl) splitTableRegion(tableID int64) error {
+	type splitableStore interface {
+		SplitRegion(splitKey kv.Key) error
+	}
+	store, ok := d.store.(splitableStore)
+	if !ok {
+		return nil
+	}
+	tableStartKey := tablecodec.GenTablePrefix(tableID)
+	if err := store.SplitRegion(tableStartKey); err != nil {
+		return errors.Trace(err)
+	}
+	nextTableStartKey := tablecodec.GenTablePrefix(tableID + 1)
+	if err := store.SplitRegion(nextTableStartKey); err != nil {
+		return errors.Trace(err)
+	}
+	return nil
+}
+
 // Maximum number of keys to delete for each reorg table job run.
 var reorgTableDeleteLimit = 65536
 
diff --git a/ddl/table_split_test.go b/ddl/table_split_test.go
new file mode 100644
index 0000000000..15f7756921
--- /dev/null
+++ b/ddl/table_split_test.go
@@ -0,0 +1,54 @@
+// Copyright 2017 PingCAP, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package ddl_test
+
+import (
+	. "github.com/pingcap/check"
+	"github.com/pingcap/tidb"
+	"github.com/pingcap/tidb/ddl"
+	"github.com/pingcap/tidb/model"
+	"github.com/pingcap/tidb/store/tikv"
+	"github.com/pingcap/tidb/tablecodec"
+	"golang.org/x/net/context"
+)
+
+type testDDLTableSplitSuite struct{}
+
+var _ = Suite(&testDDLTableSplitSuite{})
+
+func (s *testDDLTableSplitSuite) TestTableSplit(c *C) {
+	store, err := tikv.NewMockTikvStore()
+	c.Assert(err, IsNil)
+	tidb.SetSchemaLease(0)
+	tidb.SetStatsLease(0)
+	ddl.EnableSplitTableRegion = true
+	dom, err := tidb.BootstrapSession(store)
+	c.Assert(err, IsNil)
+	ddl.EnableSplitTableRegion = false
+	infoSchema := dom.InfoSchema()
+	c.Assert(infoSchema, NotNil)
+	t, err := infoSchema.TableByName(model.NewCIStr("mysql"), model.NewCIStr("tidb"))
+	c.Assert(err, IsNil)
+	regionStartKey := tablecodec.EncodeTablePrefix(t.Meta().ID)
+	regionEndKey := tablecodec.EncodeTablePrefix(t.Meta().ID + 1)
+
+	type kvStore interface {
+		GetRegionCache() *tikv.RegionCache
+	}
+	cache := store.(kvStore).GetRegionCache()
+	loc, err := cache.LocateKey(tikv.NewBackoffer(5000, context.Background()), regionStartKey)
+	c.Assert(err, IsNil)
+	c.Assert(loc.StartKey, BytesEquals, []byte(regionStartKey))
+	c.Assert(loc.EndKey, BytesEquals, []byte(regionEndKey))
+}
diff --git a/glide.lock b/glide.lock
index 0b03d451f0..8d11e3da20 100644
--- a/glide.lock
+++ b/glide.lock
@@ -121,7 +121,7 @@ imports:
   - leveldb/table
   - leveldb/util
 - name: github.com/pingcap/kvproto
-  version: bef5d90e19c200dff99effb226a5bc336ee6b258
+  version: ef910f10e3ee568b62a12aa881f430acad2acba9
   subpackages:
   - pkg/coprocessor
   - pkg/eraftpb
diff --git a/glide.yaml b/glide.yaml
index 2fe6f3b4b4..c23ca03962 100644
--- a/glide.yaml
+++ b/glide.yaml
@@ -158,7 +158,7 @@ import:
   - go-tipb
   - sharedbytes
 - package: github.com/pingcap/kvproto
-  version: bef5d90e19c200dff99effb226a5bc336ee6b258
+  version: ef910f10e3ee568b62a12aa881f430acad2acba9
 - package: github.com/gogo/protobuf
   version: ^0.3.0
   subpackages:
diff --git a/store/tikv/backoff.go b/store/tikv/backoff.go
index 0ab1f1a368..788c5fe314 100644
--- a/store/tikv/backoff.go
+++ b/store/tikv/backoff.go
@@ -128,6 +128,7 @@ const (
 	gcResolveLockMaxBackoff = 100000
 	gcDeleteRangeMaxBackoff = 100000
 	rawkvMaxBackoff         = 20000
+	splitRegionBackoff      = 20000
 )
 
 var commitMaxBackoff = 20000
diff --git a/store/tikv/client.go b/store/tikv/client.go
index 227c92b20c..fb5de878b8 100644
--- a/store/tikv/client.go
+++ b/store/tikv/client.go
@@ -186,136 +186,53 @@ func (c *rpcClient) SendReq(ctx goctx.Context, addr string, req *tikvrpc.Request
 func (c *rpcClient) callRPC(ctx goctx.Context, client tikvpb.TikvClient, req *tikvrpc.Request) (*tikvrpc.Response, error) {
 	resp := &tikvrpc.Response{}
 	resp.Type = req.Type
+	var err error
 	switch req.Type {
 	case tikvrpc.CmdGet:
-		r, err := client.KvGet(ctx, req.Get)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.Get = r
-		return resp, nil
+		resp.Get, err = client.KvGet(ctx, req.Get)
 	case tikvrpc.CmdScan:
-		r, err := client.KvScan(ctx, req.Scan)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.Scan = r
-		return resp, nil
+		resp.Scan, err = client.KvScan(ctx, req.Scan)
 	case tikvrpc.CmdPrewrite:
-		r, err := client.KvPrewrite(ctx, req.Prewrite)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.Prewrite = r
-		return resp, nil
+		resp.Prewrite, err = client.KvPrewrite(ctx, req.Prewrite)
 	case tikvrpc.CmdCommit:
-		r, err := client.KvCommit(ctx, req.Commit)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.Commit = r
-		return resp, nil
+		resp.Commit, err = client.KvCommit(ctx, req.Commit)
 	case tikvrpc.CmdCleanup:
-		r, err := client.KvCleanup(ctx, req.Cleanup)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.Cleanup = r
-		return resp, nil
+		resp.Cleanup, err = client.KvCleanup(ctx, req.Cleanup)
 	case tikvrpc.CmdBatchGet:
-		r, err := client.KvBatchGet(ctx, req.BatchGet)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.BatchGet = r
-		return resp, nil
+		resp.BatchGet, err = client.KvBatchGet(ctx, req.BatchGet)
 	case tikvrpc.CmdBatchRollback:
-		r, err := client.KvBatchRollback(ctx, req.BatchRollback)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.BatchRollback = r
-		return resp, nil
+		resp.BatchRollback, err = client.KvBatchRollback(ctx, req.BatchRollback)
 	case tikvrpc.CmdScanLock:
-		r, err := client.KvScanLock(ctx, req.ScanLock)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.ScanLock = r
-		return resp, nil
+		resp.ScanLock, err = client.KvScanLock(ctx, req.ScanLock)
 	case tikvrpc.CmdResolveLock:
-		r, err := client.KvResolveLock(ctx, req.ResolveLock)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.ResolveLock = r
-		return resp, nil
+		resp.ResolveLock, err = client.KvResolveLock(ctx, req.ResolveLock)
 	case tikvrpc.CmdGC:
-		r, err := client.KvGC(ctx, req.GC)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.GC = r
-		return resp, nil
+		resp.GC, err = client.KvGC(ctx, req.GC)
 	case tikvrpc.CmdDeleteRange:
-		r, err := client.KvDeleteRange(ctx, req.DeleteRange)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.DeleteRange = r
-		return resp, nil
+		resp.DeleteRange, err = client.KvDeleteRange(ctx, req.DeleteRange)
 	case tikvrpc.CmdRawGet:
-		r, err := client.RawGet(ctx, req.RawGet)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.RawGet = r
-		return resp, nil
+		resp.RawGet, err = client.RawGet(ctx, req.RawGet)
 	case tikvrpc.CmdRawPut:
-		r, err := client.RawPut(ctx, req.RawPut)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.RawPut = r
-		return resp, nil
+		resp.RawPut, err = client.RawPut(ctx, req.RawPut)
 	case tikvrpc.CmdRawDelete:
-		r, err := client.RawDelete(ctx, req.RawDelete)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.RawDelete = r
-		return resp, nil
+		resp.RawDelete, err = client.RawDelete(ctx, req.RawDelete)
 	case tikvrpc.CmdRawScan:
-		r, err := client.RawScan(ctx, req.RawScan)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.RawScan = r
-		return resp, nil
+		resp.RawScan, err = client.RawScan(ctx, req.RawScan)
 	case tikvrpc.CmdCop:
-		r, err := client.Coprocessor(ctx, req.Cop)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.Cop = r
-		return resp, nil
+		resp.Cop, err = client.Coprocessor(ctx, req.Cop)
 	case tikvrpc.CmdMvccGetByKey:
-		r, err := client.MvccGetByKey(ctx, req.MvccGetByKey)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.MvccGetByKey = r
-		return resp, nil
+		resp.MvccGetByKey, err = client.MvccGetByKey(ctx, req.MvccGetByKey)
 	case tikvrpc.CmdMvccGetByStartTs:
-		r, err := client.MvccGetByStartTs(ctx, req.MvccGetByStartTs)
-		if err != nil {
-			return nil, errors.Trace(err)
-		}
-		resp.MvccGetByStartTS = r
-		return resp, nil
+		resp.MvccGetByStartTS, err = client.MvccGetByStartTs(ctx, req.MvccGetByStartTs)
+	case tikvrpc.CmdSplitRegion:
+		resp.SplitRegion, err = client.SplitRegion(ctx, req.SplitRegion)
 	default:
 		return nil, errors.Errorf("invalid request type: %v", req.Type)
 	}
+	if err != nil {
+		return nil, errors.Trace(err)
+	}
+	return resp, nil
 }
 
 func (c *rpcClient) Close() error {
diff --git a/store/tikv/mock-tikv/rpc.go b/store/tikv/mock-tikv/rpc.go
index 057fc4994e..d43cb7514a 100644
--- a/store/tikv/mock-tikv/rpc.go
+++ b/store/tikv/mock-tikv/rpc.go
@@ -14,6 +14,7 @@
 package mocktikv
 
 import (
+	"bytes"
 	"io"
 
 	"github.com/golang/protobuf/proto"
@@ -396,6 +397,17 @@ func (h *rpcHandler) handleKvRawScan(req *kvrpcpb.RawScanRequest) *kvrpcpb.RawSc
 	}
 }
 
+func (h *rpcHandler) handleSplitRegion(req *kvrpcpb.SplitRegionRequest) *kvrpcpb.SplitRegionResponse {
+	key := NewMvccKey(req.GetSplitKey())
+	region, _ := h.cluster.GetRegionByKey(key)
+	if bytes.Equal(region.GetStartKey(), key) {
+		return &kvrpcpb.SplitRegionResponse{}
+	}
+	newRegionID, newPeerIDs := h.cluster.AllocID(), h.cluster.AllocIDs(len(region.Peers))
+	h.cluster.SplitRaw(region.GetId(), newRegionID, key, newPeerIDs, newPeerIDs[0])
+	return &kvrpcpb.SplitRegionResponse{}
+}
+
 // RPCClient sends kv RPC calls to mock cluster.
 type RPCClient struct {
 	Cluster   *Cluster
@@ -596,6 +608,13 @@ func (c *RPCClient) SendReq(ctx goctx.Context, addr string, req *tikvrpc.Request
 			return resp, nil
 		}
 		resp.MvccGetByStartTS = handler.handleMvccGetByStartTS(r)
+	case tikvrpc.CmdSplitRegion:
+		r := req.SplitRegion
+		if err := handler.checkRequest(reqCtx, r.Size()); err != nil {
+			resp.SplitRegion = &kvrpcpb.SplitRegionResponse{RegionError: err}
+			return resp, nil
+		}
+		resp.SplitRegion = handler.handleSplitRegion(r)
 	default:
 		return nil, errors.Errorf("unsupport this request type %v", req.Type)
 	}
diff --git a/store/tikv/region_request_test.go b/store/tikv/region_request_test.go
index c00edad0cb..534c0d7461 100644
--- a/store/tikv/region_request_test.go
+++ b/store/tikv/region_request_test.go
@@ -223,6 +223,9 @@ func (s *mockTikvGrpcServer) MvccGetByKey(goctx.Context, *kvrpcpb.MvccGetByKeyRe
 func (s *mockTikvGrpcServer) MvccGetByStartTs(goctx.Context, *kvrpcpb.MvccGetByStartTsRequest) (*kvrpcpb.MvccGetByStartTsResponse, error) {
 	return nil, errors.New("unreachable")
 }
+func (s *mockTikvGrpcServer) SplitRegion(goctx.Context, *kvrpcpb.SplitRegionRequest) (*kvrpcpb.SplitRegionResponse, error) {
+	return nil, errors.New("unreachable")
+}
 
 func (s *testRegionRequestSuite) TestNoReloadRegionForGrpcWhenCtxCanceled(c *C) {
 	// prepare a mock tikv grpc server
diff --git a/store/tikv/split_region.go b/store/tikv/split_region.go
new file mode 100644
index 0000000000..f431a450fc
--- /dev/null
+++ b/store/tikv/split_region.go
@@ -0,0 +1,67 @@
+// Copyright 2017 PingCAP, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package tikv
+
+import (
+	"bytes"
+
+	log "github.com/Sirupsen/logrus"
+	"github.com/juju/errors"
+	"github.com/pingcap/kvproto/pkg/kvrpcpb"
+	"github.com/pingcap/tidb/kv"
+	"github.com/pingcap/tidb/store/tikv/tikvrpc"
+	goctx "golang.org/x/net/context"
+)
+
+// SplitRegion splits the region contains splitKey into 2 regions: [start,
+// splitKey) and [splitKey, end).
+func (s *tikvStore) SplitRegion(splitKey kv.Key) error {
+	log.Infof("start split_region at %q", splitKey)
+	bo := NewBackoffer(splitRegionBackoff, goctx.Background())
+	sender := NewRegionRequestSender(s.regionCache, s.client, kvrpcpb.IsolationLevel_SI)
+	req := &tikvrpc.Request{
+		Type:     tikvrpc.CmdSplitRegion,
+		Priority: kvrpcpb.CommandPri_Normal,
+		SplitRegion: &kvrpcpb.SplitRegionRequest{
+			SplitKey: splitKey,
+		},
+	}
+	for {
+		loc, err := s.regionCache.LocateKey(bo, splitKey)
+		if err != nil {
+			return errors.Trace(err)
+		}
+		if bytes.Equal(splitKey, loc.StartKey) {
+			log.Infof("skip split_region region at %q", splitKey)
+			return nil
+		}
+		res, err := sender.SendReq(bo, req, loc.Region, readTimeoutShort)
+		if err != nil {
+			return errors.Trace(err)
+		}
+		regionErr, err := res.GetRegionError()
+		if err != nil {
+			return errors.Trace(err)
+		}
+		if regionErr != nil {
+			err := bo.Backoff(boRegionMiss, errors.New(regionErr.String()))
+			if err != nil {
+				return errors.Trace(err)
+			}
+			continue
+		}
+		log.Infof("split_region at %q complete, new regions: %v, %v", splitKey, res.SplitRegion.GetLeft(), res.SplitRegion.GetRight())
+		return nil
+	}
+}
diff --git a/store/tikv/tikvrpc/tikvrpc.go b/store/tikv/tikvrpc/tikvrpc.go
index 0a4724bf1a..0e40d5bd53 100644
--- a/store/tikv/tikvrpc/tikvrpc.go
+++ b/store/tikv/tikvrpc/tikvrpc.go
@@ -47,6 +47,7 @@ const (
 
 	CmdMvccGetByKey CmdType = 1024 + iota
 	CmdMvccGetByStartTs
+	CmdSplitRegion
 )
 
 // Request wraps all kv/coprocessor requests.
@@ -71,6 +72,7 @@ type Request struct {
 	Cop              *coprocessor.Request
 	MvccGetByKey     *kvrpcpb.MvccGetByKeyRequest
 	MvccGetByStartTs *kvrpcpb.MvccGetByStartTsRequest
+	SplitRegion      *kvrpcpb.SplitRegionRequest
 }
 
 // GetContext returns the rpc context for the underlying concrete request.
@@ -113,6 +115,8 @@ func (req *Request) GetContext() (*kvrpcpb.Context, error) {
 		c = req.MvccGetByKey.GetContext()
 	case CmdMvccGetByStartTs:
 		c = req.MvccGetByStartTs.GetContext()
+	case CmdSplitRegion:
+		c = req.SplitRegion.GetContext()
 	default:
 		return nil, fmt.Errorf("invalid request type %v", req.Type)
 	}
@@ -140,6 +144,7 @@ type Response struct {
 	Cop              *coprocessor.Response
 	MvccGetByKey     *kvrpcpb.MvccGetByKeyResponse
 	MvccGetByStartTS *kvrpcpb.MvccGetByStartTsResponse
+	SplitRegion      *kvrpcpb.SplitRegionResponse
 }
 
 // SetContext set the Context field for the given req to the specified ctx.
@@ -182,6 +187,8 @@ func SetContext(req *Request, ctx *kvrpcpb.Context) error {
 		req.MvccGetByKey.Context = ctx
 	case CmdMvccGetByStartTs:
 		req.MvccGetByStartTs.Context = ctx
+	case CmdSplitRegion:
+		req.SplitRegion.Context = ctx
 	default:
 		return fmt.Errorf("invalid request type %v", req.Type)
 	}
@@ -266,6 +273,10 @@ func GenRegionErrorResp(req *Request, e *errorpb.Error) (*Response, error) {
 		resp.MvccGetByStartTS = &kvrpcpb.MvccGetByStartTsResponse{
 			RegionError: e,
 		}
+	case CmdSplitRegion:
+		resp.SplitRegion = &kvrpcpb.SplitRegionResponse{
+			RegionError: e,
+		}
 	default:
 		return nil, fmt.Errorf("invalid request type %v", req.Type)
 	}
@@ -312,6 +323,8 @@ func (resp *Response) GetRegionError() (*errorpb.Error, error) {
 		e = resp.MvccGetByKey.GetRegionError()
 	case CmdMvccGetByStartTs:
 		e = resp.MvccGetByStartTS.GetRegionError()
+	case CmdSplitRegion:
+		e = resp.SplitRegion.GetRegionError()
 	default:
 		return nil, fmt.Errorf("invalid response type %v", resp.Type)
 	}
diff --git a/tablecodec/tablecodec.go b/tablecodec/tablecodec.go
index ae0c721ce9..63dacbd9ab 100644
--- a/tablecodec/tablecodec.go
+++ b/tablecodec/tablecodec.go
@@ -513,6 +513,14 @@ func GenTableIndexPrefix(tableID int64) kv.Key {
 	return appendTableIndexPrefix(buf, tableID)
 }
 
+// GenTablePrefix composes table record and index prefix: "t[tableID]".
+func GenTablePrefix(tableID int64) kv.Key {
+	buf := make([]byte, 0, len(tablePrefix)+8)
+	buf = append(buf, tablePrefix...)
+	buf = codec.EncodeInt(buf, tableID)
+	return buf
+}
+
 // TruncateToRowKeyLen truncates the key to row key length if the key is longer than row key.
 func TruncateToRowKeyLen(key kv.Key) kv.Key {
 	if len(key) > recordRowKeyLen {
diff --git a/tidb-server/main.go b/tidb-server/main.go
index f1a09a1ced..dae8ae7c47 100644
--- a/tidb-server/main.go
+++ b/tidb-server/main.go
@@ -318,6 +318,7 @@ func setGlobalVars() {
 	statsLeaseDuration := parseLease(cfg.Performance.StatsLease)
 	tidb.SetStatsLease(statsLeaseDuration)
 	ddl.RunWorker = cfg.RunDDL
+	ddl.EnableSplitTableRegion = cfg.SplitTable
 	tidb.SetCommitRetryLimit(cfg.Performance.RetryLimit)
 	plan.JoinConcurrency = cfg.Performance.JoinConcurrency
 	plan.AllowCartesianProduct = cfg.Performance.CrossJoin