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reduce concurrent volume grow requests

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This commit is contained in:
Chris Lu 2021-10-05 01:58:30 -07:00
parent 96119eab00
commit 332d49432d
3 changed files with 22 additions and 2 deletions
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4
weed/server/master_grpc_server_volume.go
View file

@ -54,6 +54,7 @@ func (ms *MasterServer) ProcessGrowRequest() {
start := time.Now()
_, err := ms.vg.AutomaticGrowByType(req.Option, ms.grpcDialOption, ms.Topo, req.Count)
glog.V(1).Infoln("finished automatic volume grow, cost ", time.Now().Sub(start))
vl.DoneGrowRequest()
if req.ErrCh != nil {
req.ErrCh <- err
@ -135,10 +136,11 @@ func (ms *MasterServer) Assign(ctx context.Context, req *master_pb.AssignRequest
vl := ms.Topo.GetVolumeLayout(option.Collection, option.ReplicaPlacement, option.Ttl, option.DiskType)
if vl.ShouldGrowVolumes(option) {
if !vl.HasGrowRequest() && vl.ShouldGrowVolumes(option) {
if ms.Topo.AvailableSpaceFor(option) <= 0 {
return nil, fmt.Errorf("no free volumes left for " + option.String())
}
vl.AddGrowRequest()
ms.vgCh <- &topology.VolumeGrowRequest{
Option: option,
Count: int(req.WritableVolumeCount),

3
weed/server/master_server_handlers.go
View file

@ -115,13 +115,14 @@ func (ms *MasterServer) dirAssignHandler(w http.ResponseWriter, r *http.Request)
vl := ms.Topo.GetVolumeLayout(option.Collection, option.ReplicaPlacement, option.Ttl, option.DiskType)
if vl.ShouldGrowVolumes(option) {
if !vl.HasGrowRequest() && vl.ShouldGrowVolumes(option) {
glog.V(0).Infof("dirAssign volume growth %v from %v", option.String(), r.RemoteAddr)
if ms.Topo.AvailableSpaceFor(option) <= 0 {
writeJsonQuiet(w, r, http.StatusNotFound, operation.AssignResult{Error: "No free volumes left for " + option.String()})
return
}
errCh := make(chan error, 1)
vl.AddGrowRequest()
ms.vgCh <- &topology.VolumeGrowRequest{
Option: option,
Count: writableVolumeCount,

17
weed/topology/volume_layout.go
View file

@ -114,6 +114,8 @@ type VolumeLayout struct {
volumeSizeLimit uint64
replicationAsMin bool
accessLock sync.RWMutex
growRequestCount int
growRequestTime time.Time
}
type VolumeLayoutStats struct {
@ -310,6 +312,21 @@ func (vl *VolumeLayout) PickForWrite(count uint64, option *VolumeGrowOption) (*n
return &vid, count, locationList, nil
}
func (vl *VolumeLayout) HasGrowRequest() bool {
if vl.growRequestCount > 0 && vl.growRequestTime.Add(time.Minute).After(time.Now()) {
return true
}
return false
}
func (vl *VolumeLayout) AddGrowRequest() {
vl.growRequestTime = time.Now()
vl.growRequestCount++
}
func (vl *VolumeLayout) DoneGrowRequest() {
vl.growRequestTime = time.Unix(0,0)
vl.growRequestCount = 0
}
func (vl *VolumeLayout) ShouldGrowVolumes(option *VolumeGrowOption) bool {
active, crowded := vl.GetActiveVolumeCount(option)
//glog.V(0).Infof("active volume: %d, high usage volume: %d\n", active, high)