mirror of https://github.com/chrislusf/seaweedfs
101 lines
3.0 KiB
Go
101 lines
3.0 KiB
Go
package topology
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import (
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"math/rand"
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"time"
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"github.com/seaweedfs/seaweedfs/weed/stats"
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"github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding"
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"github.com/seaweedfs/seaweedfs/weed/storage/types"
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"google.golang.org/grpc"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/storage"
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)
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func (t *Topology) StartRefreshWritableVolumes(grpcDialOption grpc.DialOption, garbageThreshold float64, growThreshold float64, preallocate int64) {
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go func() {
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for {
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if t.IsLeader() {
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freshThreshHold := time.Now().Unix() - 3*t.pulse //3 times of sleep interval
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t.CollectDeadNodeAndFullVolumes(freshThreshHold, t.volumeSizeLimit, growThreshold)
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}
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time.Sleep(time.Duration(float32(t.pulse*1e3)*(1+rand.Float32())) * time.Millisecond)
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}
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}()
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go func(garbageThreshold float64) {
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for {
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if t.IsLeader() {
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if !t.isDisableVacuum {
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t.Vacuum(grpcDialOption, garbageThreshold, 0, "", preallocate)
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}
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} else {
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stats.MasterReplicaPlacementMismatch.Reset()
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}
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time.Sleep(14*time.Minute + time.Duration(120*rand.Float32())*time.Second)
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}
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}(garbageThreshold)
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go func() {
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for {
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select {
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case fv := <-t.chanFullVolumes:
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t.SetVolumeCapacityFull(fv)
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case cv := <-t.chanCrowdedVolumes:
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t.SetVolumeCrowded(cv)
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}
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}
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}()
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}
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func (t *Topology) SetVolumeCapacityFull(volumeInfo storage.VolumeInfo) bool {
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diskType := types.ToDiskType(volumeInfo.DiskType)
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vl := t.GetVolumeLayout(volumeInfo.Collection, volumeInfo.ReplicaPlacement, volumeInfo.Ttl, diskType)
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if !vl.SetVolumeCapacityFull(volumeInfo.Id) {
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return false
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}
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vl.accessLock.RLock()
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defer vl.accessLock.RUnlock()
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vidLocations, found := vl.vid2location[volumeInfo.Id]
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if !found {
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return false
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}
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for _, dn := range vidLocations.list {
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if !volumeInfo.ReadOnly {
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disk := dn.getOrCreateDisk(volumeInfo.DiskType)
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deltaDiskUsages := newDiskUsages()
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deltaDiskUsage := deltaDiskUsages.getOrCreateDisk(types.ToDiskType(volumeInfo.DiskType))
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deltaDiskUsage.activeVolumeCount = -1
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disk.UpAdjustDiskUsageDelta(deltaDiskUsages)
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}
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}
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return true
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}
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func (t *Topology) SetVolumeCrowded(volumeInfo storage.VolumeInfo) {
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diskType := types.ToDiskType(volumeInfo.DiskType)
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vl := t.GetVolumeLayout(volumeInfo.Collection, volumeInfo.ReplicaPlacement, volumeInfo.Ttl, diskType)
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vl.SetVolumeCrowded(volumeInfo.Id)
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}
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func (t *Topology) UnRegisterDataNode(dn *DataNode) {
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dn.IsTerminating = true
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for _, v := range dn.GetVolumes() {
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glog.V(0).Infoln("Removing Volume", v.Id, "from the dead volume server", dn.Id())
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diskType := types.ToDiskType(v.DiskType)
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vl := t.GetVolumeLayout(v.Collection, v.ReplicaPlacement, v.Ttl, diskType)
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vl.SetVolumeUnavailable(dn, v.Id)
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}
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negativeUsages := dn.GetDiskUsages().negative()
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dn.UpAdjustDiskUsageDelta(negativeUsages)
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dn.DeltaUpdateVolumes([]storage.VolumeInfo{}, dn.GetVolumes())
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dn.DeltaUpdateEcShards([]*erasure_coding.EcVolumeInfo{}, dn.GetEcShards())
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if dn.Parent() != nil {
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dn.Parent().UnlinkChildNode(dn.Id())
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}
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}
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