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package topology
import (
"google.golang.org/grpc"
"math/rand"
"time"
"github.com/chrislusf/seaweedfs/weed/util/log"
"github.com/chrislusf/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() {
log.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.UpAdjustRemoteVolumeCountDelta(-dn.GetRemoteVolumeCount())
dn.UpAdjustActiveVolumeCountDelta(-dn.GetActiveVolumeCount())
dn.UpAdjustMaxVolumeCountDelta(-dn.GetMaxVolumeCount())
if dn.Parent() != nil {
dn.Parent().UnlinkChildNode(dn.Id())
}
}
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