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pb shard info uses ShardBits instead one message for one shard

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This commit is contained in:
Chris Lu 2019-05-24 13:28:44 -07:00
parent 228850d588
commit 6f4b09b6a4
9 changed files with 175 additions and 155 deletions
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2
weed/pb/master.proto
View File

@ -77,7 +77,7 @@ message VolumeShortInformationMessage {
message VolumeEcShardInformationMessage {
uint32 id = 1;
string collection = 2;
uint32 ec_index = 3;
uint32 ec_index_bits = 3;
}
message Empty {

212
weed/pb/master_pb/master.pb.go
View File

@ -352,9 +352,9 @@ func (m *VolumeShortInformationMessage) GetTtl() uint32 {
}
type VolumeEcShardInformationMessage struct {
Id uint32 `protobuf:"varint,1,opt,name=id" json:"id,omitempty"`
Collection string `protobuf:"bytes,2,opt,name=collection" json:"collection,omitempty"`
EcIndex uint32 `protobuf:"varint,3,opt,name=ec_index,json=ecIndex" json:"ec_index,omitempty"`
Id uint32 `protobuf:"varint,1,opt,name=id" json:"id,omitempty"`
Collection string `protobuf:"bytes,2,opt,name=collection" json:"collection,omitempty"`
EcIndexBits uint32 `protobuf:"varint,3,opt,name=ec_index_bits,json=ecIndexBits" json:"ec_index_bits,omitempty"`
}
func (m *VolumeEcShardInformationMessage) Reset() { *m = VolumeEcShardInformationMessage{} }
@ -376,9 +376,9 @@ func (m *VolumeEcShardInformationMessage) GetCollection() string {
return ""
}
func (m *VolumeEcShardInformationMessage) GetEcIndex() uint32 {
func (m *VolumeEcShardInformationMessage) GetEcIndexBits() uint32 {
if m != nil {
return m.EcIndex
return m.EcIndexBits
}
return 0
}
@ -1562,105 +1562,105 @@ var _Seaweed_serviceDesc = grpc.ServiceDesc{
func init() { proto.RegisterFile("master.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
// 1586 bytes of a gzipped FileDescriptorProto
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0xff, 0xff, 0xf2, 0x26, 0x88, 0x39, 0x1e, 0x14, 0x00, 0x00,
}

7
weed/server/volume_grpc_client_to_master.go
View File

@ -6,6 +6,7 @@ import (
"time"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
"github.com/spf13/viper"
"google.golang.org/grpc"
@ -121,7 +122,8 @@ func (vs *VolumeServer) doHeartbeat(ctx context.Context, masterNode, masterGrpcA
&ecShardMessage,
},
}
glog.V(1).Infof("volume server %s:%d adds ec shard %d:%d", vs.store.Ip, vs.store.Port, ecShardMessage.Id, ecShardMessage.EcIndex)
glog.V(1).Infof("volume server %s:%d adds ec shard %d:%d", vs.store.Ip, vs.store.Port, ecShardMessage.Id,
erasure_coding.ShardBits(ecShardMessage.EcIndexBits).ShardIds())
if err = stream.Send(deltaBeat); err != nil {
glog.V(0).Infof("Volume Server Failed to update to master %s: %v", masterNode, err)
return "", err
@ -143,7 +145,8 @@ func (vs *VolumeServer) doHeartbeat(ctx context.Context, masterNode, masterGrpcA
&ecShardMessage,
},
}
glog.V(1).Infof("volume server %s:%d deletes ec shard %d:%d", vs.store.Ip, vs.store.Port, ecShardMessage.Id, ecShardMessage.EcIndex)
glog.V(1).Infof("volume server %s:%d deletes ec shard %d:%d", vs.store.Ip, vs.store.Port, ecShardMessage.Id,
erasure_coding.ShardBits(ecShardMessage.EcIndexBits).ShardIds())
if err = stream.Send(deltaBeat); err != nil {
glog.V(0).Infof("Volume Server Failed to update to master %s: %v", masterNode, err)
return "", err

4
weed/shell/command_volume_list.go
View File

@ -4,6 +4,8 @@ import (
"context"
"fmt"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
"io"
"sort"
)
@ -89,7 +91,7 @@ func writeDataNodeInfo(writer io.Writer, t *master_pb.DataNodeInfo) statistics {
s = s.plus(writeVolumeInformationMessage(writer, vi))
}
for _, ecShardInfo := range t.EcShardInfos {
fmt.Fprintf(writer, " ec %+v \n", ecShardInfo)
fmt.Fprintf(writer, " ec volume id:%v collection:%v shards:%v\n", ecShardInfo.Id, ecShardInfo.Collection, erasure_coding.ShardBits(ecShardInfo.EcIndexBits).ShardIds())
}
fmt.Fprintf(writer, " DataNode %s %+v \n", t.Id, s)
return s

23
weed/storage/erasure_coding/ec_volume.go
View File

@ -2,8 +2,10 @@ package erasure_coding
import (
"fmt"
"math"
"os"
"path"
"sort"
"strconv"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
@ -44,6 +46,10 @@ func (shards *EcVolumeShards) AddEcVolumeShard(ecVolumeShard *EcVolumeShard) boo
}
}
*shards = append(*shards, ecVolumeShard)
sort.Slice(shards, func(i, j int) bool {
return (*shards)[i].VolumeId < (*shards)[j].VolumeId ||
(*shards)[i].VolumeId == (*shards)[j].VolumeId && (*shards)[i].ShardId < (*shards)[j].ShardId
})
return true
}
@ -68,14 +74,19 @@ func (shards *EcVolumeShards) Close() {
}
}
func (shards *EcVolumeShards) ToVolumeInformationMessage() (messages []*master_pb.VolumeEcShardInformationMessage) {
func (shards *EcVolumeShards) ToVolumeEcShardInformationMessage() (messages []*master_pb.VolumeEcShardInformationMessage) {
prevVolumeId := needle.VolumeId(math.MaxUint32)
var m *master_pb.VolumeEcShardInformationMessage
for _, s := range *shards {
m := &master_pb.VolumeEcShardInformationMessage{
Id: uint32(s.VolumeId),
Collection: s.Collection,
EcIndex: uint32(s.ShardId),
if s.VolumeId != prevVolumeId {
m = &master_pb.VolumeEcShardInformationMessage{
Id: uint32(s.VolumeId),
Collection: s.Collection,
}
messages = append(messages, m)
}
messages = append(messages, m)
prevVolumeId = s.VolumeId
m.EcIndexBits = uint32(ShardBits(m.EcIndexBits).AddShardId(s.ShardId))
}
return
}

59
weed/storage/erasure_coding/ec_volume_info.go
View File

@ -1,8 +1,6 @@
package erasure_coding
import (
"fmt"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
)
@ -11,59 +9,74 @@ import (
type EcVolumeInfo struct {
VolumeId needle.VolumeId
Collection string
shardIds uint16 // use bits to indicate the shard id
ShardBits ShardBits
}
func NewEcVolumeInfo(collection string, vid needle.VolumeId) *EcVolumeInfo {
func NewEcVolumeInfo(collection string, vid needle.VolumeId, shardBits ShardBits) *EcVolumeInfo {
return &EcVolumeInfo{
Collection: collection,
VolumeId: vid,
ShardBits: shardBits,
}
}
func (ecInfo *EcVolumeInfo) AddShardId(id ShardId) {
ecInfo.shardIds |= (1 << id)
ecInfo.ShardBits = ecInfo.ShardBits.AddShardId(id)
}
func (ecInfo *EcVolumeInfo) RemoveShardId(id ShardId) {
ecInfo.shardIds &^= (1 << id)
ecInfo.ShardBits = ecInfo.ShardBits.RemoveShardId(id)
}
func (ecInfo *EcVolumeInfo) HasShardId(id ShardId) bool {
return ecInfo.shardIds&(1<<id) > 0
return ecInfo.ShardBits.HasShardId(id)
}
func (ecInfo *EcVolumeInfo) ShardIds() (ret []ShardId) {
for i := ShardId(0); i < DataShardsCount+ParityShardsCount; i++ {
if ecInfo.HasShardId(i) {
ret = append(ret, i)
}
}
return
return ecInfo.ShardBits.ShardIds()
}
func (ecInfo *EcVolumeInfo) Minus(other *EcVolumeInfo) (*EcVolumeInfo) {
ret := &EcVolumeInfo{
VolumeId: ecInfo.VolumeId,
Collection: ecInfo.Collection,
shardIds: ecInfo.shardIds &^ other.shardIds,
ShardBits: ecInfo.ShardBits.Minus(other.ShardBits),
}
return ret
}
func (ecInfo *EcVolumeInfo) ToVolumeEcShardInformationMessage() (ret []*master_pb.VolumeEcShardInformationMessage) {
for _, shard := range ecInfo.ShardIds() {
ret = append(ret, &master_pb.VolumeEcShardInformationMessage{
Id: uint32(ecInfo.VolumeId),
EcIndex: uint32(shard),
Collection: ecInfo.Collection,
})
func (ecInfo *EcVolumeInfo) ToVolumeEcShardInformationMessage() (ret *master_pb.VolumeEcShardInformationMessage) {
return &master_pb.VolumeEcShardInformationMessage{
Id: uint32(ecInfo.VolumeId),
EcIndexBits: uint32(ecInfo.ShardBits),
Collection: ecInfo.Collection,
}
}
type ShardBits uint32 // use bits to indicate the shard id, use 32 bits just for possible future extension
func (b ShardBits) AddShardId(id ShardId) ShardBits {
return b | (1 << id)
}
func (b ShardBits) RemoveShardId(id ShardId) ShardBits {
return b &^ (1 << id)
}
func (b ShardBits) HasShardId(id ShardId) bool {
return b&(1<<id) > 0
}
func (b ShardBits) ShardIds() (ret []ShardId) {
for i := ShardId(0); i < DataShardsCount+ParityShardsCount; i++ {
if b.HasShardId(i) {
ret = append(ret, i)
}
}
return
}
func (ecInfo *EcVolumeInfo) String() string {
return fmt.Sprintf("id:%d shard:%v collection:%v", ecInfo.VolumeId, ecInfo.ShardIds(), ecInfo.Collection)
func (b ShardBits) Minus(other ShardBits) (ShardBits) {
return b &^ other
}

2
weed/storage/store_ec.go
View File

@ -9,7 +9,7 @@ func (s *Store) CollectErasureCodingHeartbeat() *master_pb.Heartbeat {
for _, location := range s.Locations {
location.ecShardsLock.RLock()
for _, ecShards := range location.ecShards {
ecShardMessages = append(ecShardMessages, ecShards.ToVolumeInformationMessage()...)
ecShardMessages = append(ecShardMessages, ecShards.ToVolumeEcShardInformationMessage()...)
}
location.ecShardsLock.RUnlock()
}

2
weed/topology/data_node.go
View File

@ -164,7 +164,7 @@ func (dn *DataNode) ToDataNodeInfo() *master_pb.DataNodeInfo {
m.VolumeInfos = append(m.VolumeInfos, v.ToVolumeInformationMessage())
}
for _, ecv := range dn.GetEcShards() {
m.EcShardInfos = append(m.EcShardInfos, ecv.ToVolumeEcShardInformationMessage()...)
m.EcShardInfos = append(m.EcShardInfos, ecv.ToVolumeEcShardInformationMessage())
}
return m
}

19
weed/topology/topology_ec.go
View File

@ -1,9 +1,6 @@
package topology
import (
"math"
"sort"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
@ -20,18 +17,12 @@ type EcShardLocations struct {
func (t *Topology) SyncDataNodeEcShards(shardInfos []*master_pb.VolumeEcShardInformationMessage, dn *DataNode) (newShards, deletedShards []*erasure_coding.EcVolumeInfo) {
// convert into in memory struct storage.VolumeInfo
var shards []*erasure_coding.EcVolumeInfo
sort.Slice(shardInfos, func(i, j int) bool {
return shardInfos[i].Id < shardInfos[j].Id
})
prevVolumeId := uint32(math.MaxUint32)
var ecVolumeInfo *erasure_coding.EcVolumeInfo
for _, shardInfo := range shardInfos {
if shardInfo.Id != prevVolumeId {
ecVolumeInfo = erasure_coding.NewEcVolumeInfo(shardInfo.Collection, needle.VolumeId(shardInfo.Id))
shards = append(shards, ecVolumeInfo)
}
prevVolumeId = shardInfo.Id
ecVolumeInfo.AddShardId(erasure_coding.ShardId(shardInfo.EcIndex))
shards = append(shards,
erasure_coding.NewEcVolumeInfo(
shardInfo.Collection,
needle.VolumeId(shardInfo.Id),
erasure_coding.ShardBits(shardInfo.EcIndexBits)))
}
// find out the delta volumes
newShards, deletedShards = dn.UpdateEcShards(shards)