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ec shard info can be queried via VolumeList()

pull/991/head
Chris Lu 6 years ago
parent
17ac1290c0
commit
7180520889
6 changed files with 193 additions and 113 deletions
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  1. 1
      weed/pb/master.proto
  2. 209
      weed/pb/master_pb/master.pb.go
  3. 6
      weed/storage/erasure_coding/ec_volume.go
  4. 46
      weed/storage/erasure_coding/ec_volume_info.go
  5. 8
      weed/topology/data_node.go
  6. 14
      weed/topology/data_node_ec.go

1
weed/pb/master.proto
View File

@ -186,6 +186,7 @@ message DataNodeInfo {
uint64 free_volume_count = 4;
uint64 active_volume_count = 5;
repeated VolumeInformationMessage volume_infos = 6;
repeated VolumeEcShardInformationMessage ec_shard_infos = 7;
}
message RackInfo {
string id = 1;

209
weed/pb/master_pb/master.pb.go
View File

@ -901,6 +901,7 @@ type DataNodeInfo struct {
FreeVolumeCount uint64 `protobuf:"varint,4,opt,name=free_volume_count,json=freeVolumeCount" json:"free_volume_count,omitempty"`
ActiveVolumeCount uint64 `protobuf:"varint,5,opt,name=active_volume_count,json=activeVolumeCount" json:"active_volume_count,omitempty"`
VolumeInfos []*VolumeInformationMessage `protobuf:"bytes,6,rep,name=volume_infos,json=volumeInfos" json:"volume_infos,omitempty"`
EcShardInfos []*VolumeEcShardInformationMessage `protobuf:"bytes,7,rep,name=ec_shard_infos,json=ecShardInfos" json:"ec_shard_infos,omitempty"`
}
func (m *DataNodeInfo) Reset() { *m = DataNodeInfo{} }
@ -950,6 +951,13 @@ func (m *DataNodeInfo) GetVolumeInfos() []*VolumeInformationMessage {
return nil
}
func (m *DataNodeInfo) GetEcShardInfos() []*VolumeEcShardInformationMessage {
if m != nil {
return m.EcShardInfos
}
return nil
}
type RackInfo struct {
Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"`
VolumeCount uint64 `protobuf:"varint,2,opt,name=volume_count,json=volumeCount" json:"volume_count,omitempty"`
@ -1554,104 +1562,105 @@ var _Seaweed_serviceDesc = grpc.ServiceDesc{
func init() { proto.RegisterFile("master.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
// 1572 bytes of a gzipped FileDescriptorProto
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0xe6, 0xcb, 0x27, 0x1a, 0x2e, 0xac, 0x90, 0x4a, 0x0c, 0x0d, 0xae, 0x9f, 0x62, 0x91, 0x02, 0x7f,
0x0d, 0xbd, 0x62, 0x55, 0x44, 0xc6, 0xc2, 0x85, 0xb9, 0x0a, 0x3b, 0xb8, 0x71, 0xaa, 0x8d, 0x4a,
0x42, 0x16, 0xc6, 0x39, 0x12, 0xe6, 0x62, 0x3e, 0x47, 0xc2, 0x7c, 0xec, 0x1b, 0x4b, 0x7b, 0x35,
0xfe, 0x17, 0xf0, 0xa3, 0x7f, 0x03, 0x00, 0x00, 0xff, 0xff, 0x18, 0x87, 0x1e, 0x54, 0x15, 0x14,
0x00, 0x00,
}

6
weed/storage/erasure_coding/ec_volume.go
View File

@ -10,9 +10,11 @@ import (
"github.com/chrislusf/seaweedfs/weed/storage/needle"
)
type ShardId uint8
type EcVolumeShard struct {
VolumeId needle.VolumeId
ShardId uint8
ShardId ShardId
Collection string
dir string
ecdFile *os.File
@ -22,7 +24,7 @@ type EcVolumeShards []*EcVolumeShard
func NewEcVolumeShard(dirname string, collection string, id needle.VolumeId, shardId int) (v *EcVolumeShard, e error) {
v = &EcVolumeShard{dir: dirname, Collection: collection, VolumeId: id, ShardId: uint8(shardId)}
v = &EcVolumeShard{dir: dirname, Collection: collection, VolumeId: id, ShardId: ShardId(shardId)}
baseFileName := v.FileName()
if v.ecxFile, e = os.OpenFile(baseFileName+".ecx", os.O_RDONLY, 0644); e != nil {

46
weed/storage/erasure_coding/ec_volume_info.go
View File

@ -0,0 +1,46 @@
package erasure_coding
import (
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
)
// data structure used in master
type EcVolumeInfo struct {
VolumeId needle.VolumeId
Collection string
shardIds uint16 // use bits to indicate the shard id
}
func (ecInfo *EcVolumeInfo) AddShardId(id ShardId) {
ecInfo.shardIds |= (1 << id)
}
func (ecInfo *EcVolumeInfo) RemoveShardId(id ShardId) {
ecInfo.shardIds &^= (1 << id)
}
func (ecInfo *EcVolumeInfo) HasShardId(id ShardId) bool {
return ecInfo.shardIds&(1<<id) > 0
}
func (ecInfo *EcVolumeInfo) ShardIds() (ret []ShardId) {
for i := ShardId(0); i < DataShardsCount+ParityShardsCount; i++ {
if ecInfo.HasShardId(i) {
ret = append(ret, i)
}
}
return
}
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,
})
}
return
}

8
weed/topology/data_node.go
View File

@ -2,8 +2,10 @@ package topology
import (
"fmt"
"sync"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"strconv"
@ -19,6 +21,8 @@ type DataNode struct {
Port int
PublicUrl string
LastSeen int64 // unix time in seconds
ecShards map[needle.VolumeId]erasure_coding.EcVolumeInfo
ecShardsLock sync.RWMutex
}
func NewDataNode(id string) *DataNode {
@ -26,6 +30,7 @@ func NewDataNode(id string) *DataNode {
s.id = NodeId(id)
s.nodeType = "DataNode"
s.volumes = make(map[needle.VolumeId]storage.VolumeInfo)
s.ecShards = make(map[needle.VolumeId]erasure_coding.EcVolumeInfo)
s.NodeImpl.value = s
return s
}
@ -158,5 +163,8 @@ func (dn *DataNode) ToDataNodeInfo() *master_pb.DataNodeInfo {
for _, v := range dn.GetVolumes() {
m.VolumeInfos = append(m.VolumeInfos, v.ToVolumeInformationMessage())
}
for _, ecv := range dn.GetEcShards() {
m.EcShardInfos = append(m.EcShardInfos, ecv.ToVolumeEcShardInformationMessage()...)
}
return m
}

14
weed/topology/data_node_ec.go
View File

@ -0,0 +1,14 @@
package topology
import (
"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
)
func (dn *DataNode) GetEcShards() (ret []erasure_coding.EcVolumeInfo) {
dn.RLock()
for _, ecVolumeInfo := range dn.ecShards {
ret = append(ret, ecVolumeInfo)
}
dn.RUnlock()
return ret
}
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