diff options
Diffstat (limited to 'weed/topology/volume_layout.go')
| -rw-r--r-- | weed/topology/volume_layout.go | 94 |
1 files changed, 54 insertions, 40 deletions
diff --git a/weed/topology/volume_layout.go b/weed/topology/volume_layout.go index 6ac4d63db..baa9b91d4 100644 --- a/weed/topology/volume_layout.go +++ b/weed/topology/volume_layout.go @@ -3,7 +3,7 @@ package topology import ( "fmt" "github.com/seaweedfs/seaweedfs/weed/stats" - "math/rand/v2" + "math/rand" "sync" "sync/atomic" "time" @@ -218,17 +218,21 @@ func (vl *VolumeLayout) EnsureCorrectWritables(v *storage.VolumeInfo) { } func (vl *VolumeLayout) ensureCorrectWritables(vid needle.VolumeId) { - if vl.enoughCopies(vid) && vl.isAllWritable(vid) { - if !vl.oversizedVolumes.IsTrue(vid) { - vl.setVolumeWritable(vid) - } + isEnoughCopies := vl.enoughCopies(vid) + isAllWritable := vl.isAllWritable(vid) + isOversizedVolume := vl.oversizedVolumes.IsTrue(vid) + if isEnoughCopies && isAllWritable && !isOversizedVolume { + vl.setVolumeWritable(vid) } else { - if !vl.enoughCopies(vid) { + if !isEnoughCopies { glog.V(0).Infof("volume %d does not have enough copies", vid) } - if !vl.isAllWritable(vid) { + if !isAllWritable { glog.V(0).Infof("volume %d are not all writable", vid) } + if isOversizedVolume { + glog.V(1).Infof("volume %d are oversized", vid) + } glog.V(0).Infof("volume %d remove from writable", vid) vl.removeFromWritable(vid) } @@ -254,6 +258,10 @@ func (vl *VolumeLayout) isOversized(v *storage.VolumeInfo) bool { return uint64(v.Size) >= vl.volumeSizeLimit } +func (vl *VolumeLayout) isCrowdedVolume(v *storage.VolumeInfo) bool { + return float64(v.Size) > float64(vl.volumeSizeLimit)*VolumeGrowStrategy.Threshold +} + func (vl *VolumeLayout) isWritable(v *storage.VolumeInfo) bool { return !vl.isOversized(v) && v.Version == needle.CurrentVersion && @@ -296,7 +304,7 @@ func (vl *VolumeLayout) PickForWrite(count uint64, option *VolumeGrowOption) (vi return 0, 0, nil, true, fmt.Errorf("%s in volume layout", noWritableVolumes) } if option.DataCenter == "" && option.Rack == "" && option.DataNode == "" { - vid := vl.writables[rand.IntN(lenWriters)] + vid := vl.writables[rand.Intn(lenWriters)] locationList = vl.vid2location[vid] if locationList == nil || len(locationList.list) == 0 { return 0, 0, nil, false, fmt.Errorf("Strangely vid %s is on no machine!", vid.String()) @@ -351,40 +359,45 @@ func (vl *VolumeLayout) GetLastGrowCount() uint32 { return vl.lastGrowCount.Load() } -func (vl *VolumeLayout) ShouldGrowVolumes(option *VolumeGrowOption) bool { - total, active, crowded := vl.GetActiveVolumeCount(option) - stats.MasterVolumeLayout.WithLabelValues(option.Collection, option.DataCenter, "total").Set(float64(total)) - stats.MasterVolumeLayout.WithLabelValues(option.Collection, option.DataCenter, "active").Set(float64(active)) - stats.MasterVolumeLayout.WithLabelValues(option.Collection, option.DataCenter, "crowded").Set(float64(crowded)) - //glog.V(0).Infof("active volume: %d, high usage volume: %d\n", active, high) - return active <= crowded +func (vl *VolumeLayout) ShouldGrowVolumes(collection string) bool { + writable, crowded := vl.GetWritableVolumeCount() + stats.MasterVolumeLayoutWritable.WithLabelValues(collection, vl.diskType.String(), vl.rp.String(), vl.ttl.String()).Set(float64(writable)) + stats.MasterVolumeLayoutCrowded.WithLabelValues(collection, vl.diskType.String(), vl.rp.String(), vl.ttl.String()).Set(float64(crowded)) + return writable <= crowded } -func (vl *VolumeLayout) GetActiveVolumeCount(option *VolumeGrowOption) (total, active, crowded int) { +func (vl *VolumeLayout) ShouldGrowVolumesByDataNode(nodeType string, dataNode string) bool { vl.accessLock.RLock() - defer vl.accessLock.RUnlock() - if option.DataCenter == "" { - return len(vl.writables), len(vl.writables), len(vl.crowded) - } - total = len(vl.writables) - for _, v := range vl.writables { + writables := make([]needle.VolumeId, len(vl.writables)) + copy(writables, vl.writables) + vl.accessLock.RUnlock() + + dataNodeId := NodeId(dataNode) + for _, v := range writables { for _, dn := range vl.vid2location[v].list { - if dn.GetDataCenter().Id() == NodeId(option.DataCenter) { - if option.Rack != "" && dn.GetRack().Id() != NodeId(option.Rack) { - continue - } - if option.DataNode != "" && dn.Id() != NodeId(option.DataNode) { - continue - } - active++ - info, _ := dn.GetVolumesById(v) - if float64(info.Size) > float64(vl.volumeSizeLimit)*VolumeGrowStrategy.Threshold { - crowded++ + dataNodeFound := false + switch nodeType { + case "DataCenter": + dataNodeFound = dn.GetDataCenter().Id() == dataNodeId + case "Rack": + dataNodeFound = dn.GetRack().Id() == dataNodeId + case "DataNode": + dataNodeFound = dn.Id() == dataNodeId + } + if dataNodeFound { + if info, err := dn.GetVolumesById(v); err == nil && !vl.isCrowdedVolume(&info) { + return false } } } } - return + return true +} + +func (vl *VolumeLayout) GetWritableVolumeCount() (active, crowded int) { + vl.accessLock.RLock() + defer vl.accessLock.RUnlock() + return len(vl.writables), len(vl.crowded) } func (vl *VolumeLayout) removeFromWritable(vid needle.VolumeId) bool { @@ -531,12 +544,13 @@ func (vl *VolumeLayout) ToInfo() (info VolumeLayoutInfo) { return } -func (vl *VolumeLayout) ToGrowOption() (option *VolumeGrowOption) { - option = &VolumeGrowOption{} - option.ReplicaPlacement = vl.rp - option.Ttl = vl.ttl - option.DiskType = vl.diskType - return +func (vlc *VolumeLayoutCollection) ToGrowOption() (option *VolumeGrowOption) { + return &VolumeGrowOption{ + Collection: vlc.Collection, + ReplicaPlacement: vlc.VolumeLayout.rp, + Ttl: vlc.VolumeLayout.ttl, + DiskType: vlc.VolumeLayout.diskType, + } } func (vl *VolumeLayout) Stats() *VolumeLayoutStats { |
