package topology import ( "google.golang.org/grpc" "math/rand" "time" "github.com/joeslay/seaweedfs/weed/glog" "github.com/joeslay/seaweedfs/weed/storage" ) func (t *Topology) StartRefreshWritableVolumes(grpcDialOption grpc.DialOption, garbageThreshold float64, preallocate int64) { go func() { for { if t.IsLeader() { freshThreshHold := time.Now().Unix() - 3*t.pulse //3 times of sleep interval t.CollectDeadNodeAndFullVolumes(freshThreshHold, t.volumeSizeLimit) } time.Sleep(time.Duration(float32(t.pulse*1e3)*(1+rand.Float32())) * time.Millisecond) } }() go func(garbageThreshold float64) { c := time.Tick(15 * time.Minute) for _ = range c { if t.IsLeader() { t.Vacuum(grpcDialOption, garbageThreshold, preallocate) } } }(garbageThreshold) go func() { for { select { case v := <-t.chanFullVolumes: t.SetVolumeCapacityFull(v) } } }() } func (t *Topology) SetVolumeCapacityFull(volumeInfo storage.VolumeInfo) bool { vl := t.GetVolumeLayout(volumeInfo.Collection, volumeInfo.ReplicaPlacement, volumeInfo.Ttl) if !vl.SetVolumeCapacityFull(volumeInfo.Id) { return false } vl.accessLock.RLock() defer vl.accessLock.RUnlock() for _, dn := range vl.vid2location[volumeInfo.Id].list { if !volumeInfo.ReadOnly { dn.UpAdjustActiveVolumeCountDelta(-1) } } return true } func (t *Topology) UnRegisterDataNode(dn *DataNode) { for _, v := range dn.GetVolumes() { glog.V(0).Infoln("Removing Volume", v.Id, "from the dead volume server", dn.Id()) vl := t.GetVolumeLayout(v.Collection, v.ReplicaPlacement, v.Ttl) vl.SetVolumeUnavailable(dn, v.Id) } dn.UpAdjustVolumeCountDelta(-dn.GetVolumeCount()) dn.UpAdjustActiveVolumeCountDelta(-dn.GetActiveVolumeCount()) dn.UpAdjustMaxVolumeCountDelta(-dn.GetMaxVolumeCount()) if dn.Parent() != nil { dn.Parent().UnlinkChildNode(dn.Id()) } }