mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
3ccfa4c6ad
This is necessary for copy to mark as read-only and then restore the original state afterwards.
446 lines
13 KiB
Go
446 lines
13 KiB
Go
package storage
|
|
|
|
import (
|
|
"fmt"
|
|
"path/filepath"
|
|
"strings"
|
|
"sync/atomic"
|
|
|
|
"google.golang.org/grpc"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/glog"
|
|
"github.com/chrislusf/seaweedfs/weed/pb"
|
|
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
|
|
"github.com/chrislusf/seaweedfs/weed/stats"
|
|
"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
|
|
"github.com/chrislusf/seaweedfs/weed/storage/needle"
|
|
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
|
|
. "github.com/chrislusf/seaweedfs/weed/storage/types"
|
|
"github.com/chrislusf/seaweedfs/weed/util"
|
|
)
|
|
|
|
const (
|
|
MAX_TTL_VOLUME_REMOVAL_DELAY = 10 // 10 minutes
|
|
)
|
|
|
|
type ReadOption struct {
|
|
ReadDeleted bool
|
|
}
|
|
|
|
/*
|
|
* A VolumeServer contains one Store
|
|
*/
|
|
type Store struct {
|
|
MasterAddress string
|
|
grpcDialOption grpc.DialOption
|
|
volumeSizeLimit uint64 // read from the master
|
|
Ip string
|
|
Port int
|
|
PublicUrl string
|
|
Locations []*DiskLocation
|
|
dataCenter string // optional informaton, overwriting master setting if exists
|
|
rack string // optional information, overwriting master setting if exists
|
|
connected bool
|
|
NeedleMapType NeedleMapType
|
|
NewVolumesChan chan master_pb.VolumeShortInformationMessage
|
|
DeletedVolumesChan chan master_pb.VolumeShortInformationMessage
|
|
NewEcShardsChan chan master_pb.VolumeEcShardInformationMessage
|
|
DeletedEcShardsChan chan master_pb.VolumeEcShardInformationMessage
|
|
}
|
|
|
|
func (s *Store) String() (str string) {
|
|
str = fmt.Sprintf("Ip:%s, Port:%d, PublicUrl:%s, dataCenter:%s, rack:%s, connected:%v, volumeSizeLimit:%d", s.Ip, s.Port, s.PublicUrl, s.dataCenter, s.rack, s.connected, s.GetVolumeSizeLimit())
|
|
return
|
|
}
|
|
|
|
func NewStore(grpcDialOption grpc.DialOption, port int, ip, publicUrl string, dirnames []string, maxVolumeCounts []int, minFreeSpacePercents []float32, needleMapKind NeedleMapType) (s *Store) {
|
|
s = &Store{grpcDialOption: grpcDialOption, Port: port, Ip: ip, PublicUrl: publicUrl, NeedleMapType: needleMapKind}
|
|
s.Locations = make([]*DiskLocation, 0)
|
|
for i := 0; i < len(dirnames); i++ {
|
|
location := NewDiskLocation(util.ResolvePath(dirnames[i]), maxVolumeCounts[i], minFreeSpacePercents[i])
|
|
location.loadExistingVolumes(needleMapKind)
|
|
s.Locations = append(s.Locations, location)
|
|
stats.VolumeServerMaxVolumeCounter.Add(float64(maxVolumeCounts[i]))
|
|
}
|
|
s.NewVolumesChan = make(chan master_pb.VolumeShortInformationMessage, 3)
|
|
s.DeletedVolumesChan = make(chan master_pb.VolumeShortInformationMessage, 3)
|
|
|
|
s.NewEcShardsChan = make(chan master_pb.VolumeEcShardInformationMessage, 3)
|
|
s.DeletedEcShardsChan = make(chan master_pb.VolumeEcShardInformationMessage, 3)
|
|
|
|
return
|
|
}
|
|
func (s *Store) AddVolume(volumeId needle.VolumeId, collection string, needleMapKind NeedleMapType, replicaPlacement string, ttlString string, preallocate int64, MemoryMapMaxSizeMb uint32) error {
|
|
rt, e := super_block.NewReplicaPlacementFromString(replicaPlacement)
|
|
if e != nil {
|
|
return e
|
|
}
|
|
ttl, e := needle.ReadTTL(ttlString)
|
|
if e != nil {
|
|
return e
|
|
}
|
|
e = s.addVolume(volumeId, collection, needleMapKind, rt, ttl, preallocate, MemoryMapMaxSizeMb)
|
|
return e
|
|
}
|
|
func (s *Store) DeleteCollection(collection string) (e error) {
|
|
for _, location := range s.Locations {
|
|
e = location.DeleteCollectionFromDiskLocation(collection)
|
|
if e != nil {
|
|
return
|
|
}
|
|
// let the heartbeat send the list of volumes, instead of sending the deleted volume ids to DeletedVolumesChan
|
|
}
|
|
return
|
|
}
|
|
|
|
func (s *Store) findVolume(vid needle.VolumeId) *Volume {
|
|
for _, location := range s.Locations {
|
|
if v, found := location.FindVolume(vid); found {
|
|
return v
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
func (s *Store) FindFreeLocation() (ret *DiskLocation) {
|
|
max := 0
|
|
for _, location := range s.Locations {
|
|
currentFreeCount := location.MaxVolumeCount - location.VolumesLen()
|
|
currentFreeCount *= erasure_coding.DataShardsCount
|
|
currentFreeCount -= location.EcVolumesLen()
|
|
currentFreeCount /= erasure_coding.DataShardsCount
|
|
if currentFreeCount > max {
|
|
max = currentFreeCount
|
|
ret = location
|
|
}
|
|
}
|
|
return ret
|
|
}
|
|
func (s *Store) addVolume(vid needle.VolumeId, collection string, needleMapKind NeedleMapType, replicaPlacement *super_block.ReplicaPlacement, ttl *needle.TTL, preallocate int64, memoryMapMaxSizeMb uint32) error {
|
|
if s.findVolume(vid) != nil {
|
|
return fmt.Errorf("Volume Id %d already exists!", vid)
|
|
}
|
|
if location := s.FindFreeLocation(); location != nil {
|
|
glog.V(0).Infof("In dir %s adds volume:%v collection:%s replicaPlacement:%v ttl:%v",
|
|
location.Directory, vid, collection, replicaPlacement, ttl)
|
|
if volume, err := NewVolume(location.Directory, collection, vid, needleMapKind, replicaPlacement, ttl, preallocate, memoryMapMaxSizeMb); err == nil {
|
|
location.SetVolume(vid, volume)
|
|
glog.V(0).Infof("add volume %d", vid)
|
|
s.NewVolumesChan <- master_pb.VolumeShortInformationMessage{
|
|
Id: uint32(vid),
|
|
Collection: collection,
|
|
ReplicaPlacement: uint32(replicaPlacement.Byte()),
|
|
Version: uint32(volume.Version()),
|
|
Ttl: ttl.ToUint32(),
|
|
}
|
|
return nil
|
|
} else {
|
|
return err
|
|
}
|
|
}
|
|
return fmt.Errorf("No more free space left")
|
|
}
|
|
|
|
func (s *Store) VolumeInfos() (allStats []*VolumeInfo) {
|
|
for _, location := range s.Locations {
|
|
stats := collectStatsForOneLocation(location)
|
|
allStats = append(allStats, stats...)
|
|
}
|
|
sortVolumeInfos(allStats)
|
|
return allStats
|
|
}
|
|
|
|
func collectStatsForOneLocation(location *DiskLocation) (stats []*VolumeInfo) {
|
|
location.volumesLock.RLock()
|
|
defer location.volumesLock.RUnlock()
|
|
|
|
for k, v := range location.volumes {
|
|
s := collectStatForOneVolume(k, v)
|
|
stats = append(stats, s)
|
|
}
|
|
return stats
|
|
}
|
|
|
|
func collectStatForOneVolume(vid needle.VolumeId, v *Volume) (s *VolumeInfo) {
|
|
|
|
s = &VolumeInfo{
|
|
Id: vid,
|
|
Collection: v.Collection,
|
|
ReplicaPlacement: v.ReplicaPlacement,
|
|
Version: v.Version(),
|
|
ReadOnly: v.IsReadOnly(),
|
|
Ttl: v.Ttl,
|
|
CompactRevision: uint32(v.CompactionRevision),
|
|
}
|
|
s.RemoteStorageName, s.RemoteStorageKey = v.RemoteStorageNameKey()
|
|
|
|
v.dataFileAccessLock.RLock()
|
|
defer v.dataFileAccessLock.RUnlock()
|
|
|
|
if v.nm == nil {
|
|
return
|
|
}
|
|
|
|
s.FileCount = v.nm.FileCount()
|
|
s.DeleteCount = v.nm.DeletedCount()
|
|
s.DeletedByteCount = v.nm.DeletedSize()
|
|
s.Size = v.nm.ContentSize()
|
|
|
|
return
|
|
}
|
|
|
|
func (s *Store) SetDataCenter(dataCenter string) {
|
|
s.dataCenter = dataCenter
|
|
}
|
|
func (s *Store) SetRack(rack string) {
|
|
s.rack = rack
|
|
}
|
|
|
|
func (s *Store) CollectHeartbeat() *master_pb.Heartbeat {
|
|
var volumeMessages []*master_pb.VolumeInformationMessage
|
|
maxVolumeCount := 0
|
|
var maxFileKey NeedleId
|
|
collectionVolumeSize := make(map[string]uint64)
|
|
for _, location := range s.Locations {
|
|
var deleteVids []needle.VolumeId
|
|
maxVolumeCount = maxVolumeCount + location.MaxVolumeCount
|
|
location.volumesLock.RLock()
|
|
for _, v := range location.volumes {
|
|
if maxFileKey < v.MaxFileKey() {
|
|
maxFileKey = v.MaxFileKey()
|
|
}
|
|
if !v.expired(s.GetVolumeSizeLimit()) {
|
|
volumeMessages = append(volumeMessages, v.ToVolumeInformationMessage())
|
|
} else {
|
|
if v.expiredLongEnough(MAX_TTL_VOLUME_REMOVAL_DELAY) {
|
|
deleteVids = append(deleteVids, v.Id)
|
|
} else {
|
|
glog.V(0).Infoln("volume", v.Id, "is expired.")
|
|
}
|
|
}
|
|
fileSize, _, _ := v.FileStat()
|
|
collectionVolumeSize[v.Collection] += fileSize
|
|
}
|
|
location.volumesLock.RUnlock()
|
|
|
|
if len(deleteVids) > 0 {
|
|
// delete expired volumes.
|
|
location.volumesLock.Lock()
|
|
for _, vid := range deleteVids {
|
|
found, err := location.deleteVolumeById(vid)
|
|
if found {
|
|
if err == nil {
|
|
glog.V(0).Infof("volume %d is deleted", vid)
|
|
} else {
|
|
glog.V(0).Infof("delete volume %d: %v", vid, err)
|
|
}
|
|
}
|
|
}
|
|
location.volumesLock.Unlock()
|
|
}
|
|
}
|
|
|
|
for col, size := range collectionVolumeSize {
|
|
stats.VolumeServerDiskSizeGauge.WithLabelValues(col, "normal").Set(float64(size))
|
|
}
|
|
|
|
return &master_pb.Heartbeat{
|
|
Ip: s.Ip,
|
|
Port: uint32(s.Port),
|
|
PublicUrl: s.PublicUrl,
|
|
MaxVolumeCount: uint32(maxVolumeCount),
|
|
MaxFileKey: NeedleIdToUint64(maxFileKey),
|
|
DataCenter: s.dataCenter,
|
|
Rack: s.rack,
|
|
Volumes: volumeMessages,
|
|
HasNoVolumes: len(volumeMessages) == 0,
|
|
}
|
|
|
|
}
|
|
|
|
func (s *Store) Close() {
|
|
for _, location := range s.Locations {
|
|
location.Close()
|
|
}
|
|
}
|
|
|
|
func (s *Store) WriteVolumeNeedle(i needle.VolumeId, n *needle.Needle, fsync bool) (isUnchanged bool, err error) {
|
|
if v := s.findVolume(i); v != nil {
|
|
if v.IsReadOnly() {
|
|
err = fmt.Errorf("volume %d is read only", i)
|
|
return
|
|
}
|
|
_, _, isUnchanged, err = v.writeNeedle2(n, fsync)
|
|
return
|
|
}
|
|
glog.V(0).Infoln("volume", i, "not found!")
|
|
err = fmt.Errorf("volume %d not found on %s:%d", i, s.Ip, s.Port)
|
|
return
|
|
}
|
|
|
|
func (s *Store) DeleteVolumeNeedle(i needle.VolumeId, n *needle.Needle) (Size, error) {
|
|
if v := s.findVolume(i); v != nil {
|
|
if v.noWriteOrDelete {
|
|
return 0, fmt.Errorf("volume %d is read only", i)
|
|
}
|
|
return v.deleteNeedle2(n)
|
|
}
|
|
return 0, fmt.Errorf("volume %d not found on %s:%d", i, s.Ip, s.Port)
|
|
}
|
|
|
|
func (s *Store) ReadVolumeNeedle(i needle.VolumeId, n *needle.Needle, readOption *ReadOption) (int, error) {
|
|
if v := s.findVolume(i); v != nil {
|
|
return v.readNeedle(n, readOption)
|
|
}
|
|
return 0, fmt.Errorf("volume %d not found", i)
|
|
}
|
|
func (s *Store) GetVolume(i needle.VolumeId) *Volume {
|
|
return s.findVolume(i)
|
|
}
|
|
|
|
func (s *Store) HasVolume(i needle.VolumeId) bool {
|
|
v := s.findVolume(i)
|
|
return v != nil
|
|
}
|
|
|
|
func (s *Store) MarkVolumeReadonly(i needle.VolumeId) error {
|
|
v := s.findVolume(i)
|
|
if v == nil {
|
|
return fmt.Errorf("volume %d not found", i)
|
|
}
|
|
v.noWriteLock.Lock()
|
|
v.noWriteOrDelete = true
|
|
v.noWriteLock.Unlock()
|
|
return nil
|
|
}
|
|
|
|
func (s *Store) MarkVolumeWritable(i needle.VolumeId) error {
|
|
v := s.findVolume(i)
|
|
if v == nil {
|
|
return fmt.Errorf("volume %d not found", i)
|
|
}
|
|
v.noWriteLock.Lock()
|
|
v.noWriteOrDelete = false
|
|
v.noWriteLock.Unlock()
|
|
return nil
|
|
}
|
|
|
|
func (s *Store) MountVolume(i needle.VolumeId) error {
|
|
for _, location := range s.Locations {
|
|
if found := location.LoadVolume(i, s.NeedleMapType); found == true {
|
|
glog.V(0).Infof("mount volume %d", i)
|
|
v := s.findVolume(i)
|
|
s.NewVolumesChan <- master_pb.VolumeShortInformationMessage{
|
|
Id: uint32(v.Id),
|
|
Collection: v.Collection,
|
|
ReplicaPlacement: uint32(v.ReplicaPlacement.Byte()),
|
|
Version: uint32(v.Version()),
|
|
Ttl: v.Ttl.ToUint32(),
|
|
}
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf("volume %d not found on disk", i)
|
|
}
|
|
|
|
func (s *Store) UnmountVolume(i needle.VolumeId) error {
|
|
v := s.findVolume(i)
|
|
if v == nil {
|
|
return nil
|
|
}
|
|
message := master_pb.VolumeShortInformationMessage{
|
|
Id: uint32(v.Id),
|
|
Collection: v.Collection,
|
|
ReplicaPlacement: uint32(v.ReplicaPlacement.Byte()),
|
|
Version: uint32(v.Version()),
|
|
Ttl: v.Ttl.ToUint32(),
|
|
}
|
|
|
|
for _, location := range s.Locations {
|
|
if err := location.UnloadVolume(i); err == nil {
|
|
glog.V(0).Infof("UnmountVolume %d", i)
|
|
s.DeletedVolumesChan <- message
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf("volume %d not found on disk", i)
|
|
}
|
|
|
|
func (s *Store) DeleteVolume(i needle.VolumeId) error {
|
|
v := s.findVolume(i)
|
|
if v == nil {
|
|
return fmt.Errorf("delete volume %d not found on disk", i)
|
|
}
|
|
message := master_pb.VolumeShortInformationMessage{
|
|
Id: uint32(v.Id),
|
|
Collection: v.Collection,
|
|
ReplicaPlacement: uint32(v.ReplicaPlacement.Byte()),
|
|
Version: uint32(v.Version()),
|
|
Ttl: v.Ttl.ToUint32(),
|
|
}
|
|
for _, location := range s.Locations {
|
|
if found, error := location.deleteVolumeById(i); found && error == nil {
|
|
glog.V(0).Infof("DeleteVolume %d", i)
|
|
s.DeletedVolumesChan <- message
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf("volume %d not found on disk", i)
|
|
}
|
|
|
|
func (s *Store) ConfigureVolume(i needle.VolumeId, replication string) error {
|
|
|
|
for _, location := range s.Locations {
|
|
fileInfo, found := location.LocateVolume(i)
|
|
if !found {
|
|
continue
|
|
}
|
|
// load, modify, save
|
|
baseFileName := strings.TrimSuffix(fileInfo.Name(), filepath.Ext(fileInfo.Name()))
|
|
vifFile := filepath.Join(location.Directory, baseFileName+".vif")
|
|
volumeInfo, _, err := pb.MaybeLoadVolumeInfo(vifFile)
|
|
if err != nil {
|
|
return fmt.Errorf("volume %d fail to load vif", i)
|
|
}
|
|
volumeInfo.Replication = replication
|
|
err = pb.SaveVolumeInfo(vifFile, volumeInfo)
|
|
if err != nil {
|
|
return fmt.Errorf("volume %d fail to save vif", i)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
return fmt.Errorf("volume %d not found on disk", i)
|
|
}
|
|
|
|
func (s *Store) SetVolumeSizeLimit(x uint64) {
|
|
atomic.StoreUint64(&s.volumeSizeLimit, x)
|
|
}
|
|
|
|
func (s *Store) GetVolumeSizeLimit() uint64 {
|
|
return atomic.LoadUint64(&s.volumeSizeLimit)
|
|
}
|
|
|
|
func (s *Store) MaybeAdjustVolumeMax() (hasChanges bool) {
|
|
volumeSizeLimit := s.GetVolumeSizeLimit()
|
|
for _, diskLocation := range s.Locations {
|
|
if diskLocation.MaxVolumeCount == 0 {
|
|
diskStatus := stats.NewDiskStatus(diskLocation.Directory)
|
|
unusedSpace := diskLocation.UnUsedSpace(volumeSizeLimit)
|
|
unclaimedSpaces := int64(diskStatus.Free) - int64(unusedSpace)
|
|
volCount := diskLocation.VolumesLen()
|
|
maxVolumeCount := volCount
|
|
if unclaimedSpaces > int64(volumeSizeLimit) {
|
|
maxVolumeCount += int(uint64(unclaimedSpaces)/volumeSizeLimit) - 1
|
|
}
|
|
diskLocation.MaxVolumeCount = maxVolumeCount
|
|
glog.V(0).Infof("disk %s max %d unclaimedSpace:%dMB, unused:%dMB volumeSizeLimit:%dMB",
|
|
diskLocation.Directory, maxVolumeCount, unclaimedSpaces/1024/1024, unusedSpace/1024/1024, volumeSizeLimit/1024/1024)
|
|
hasChanges = true
|
|
}
|
|
}
|
|
return
|
|
}
|