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assign fileId according to DataNode with empty DataCenter and Rack
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parent
7227cfddf5
commit
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@ -281,7 +281,7 @@ func (vl *VolumeLayout) PickForWrite(count uint64, option *VolumeGrowOption) (*n
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//glog.V(0).Infoln("No more writable volumes!")
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return nil, 0, nil, errors.New("No more writable volumes!")
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}
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if option.DataCenter == "" {
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if option.DataCenter == "" && option.Rack == "" && option.DataNode == "" {
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vid := vl.writables[rand.Intn(lenWriters)]
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locationList := vl.vid2location[vid]
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if locationList != nil {
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@ -295,17 +295,18 @@ func (vl *VolumeLayout) PickForWrite(count uint64, option *VolumeGrowOption) (*n
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for _, v := range vl.writables {
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volumeLocationList := vl.vid2location[v]
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for _, dn := range volumeLocationList.list {
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if dn.GetDataCenter().Id() == NodeId(option.DataCenter) {
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if option.Rack != "" && dn.GetRack().Id() != NodeId(option.Rack) {
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continue
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}
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if option.DataNode != "" && dn.Id() != NodeId(option.DataNode) {
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continue
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}
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counter++
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if rand.Intn(counter) < 1 {
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vid, locationList = v, volumeLocationList.Copy()
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}
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if option.DataCenter != "" && dn.GetDataCenter().Id() != NodeId(option.DataCenter) {
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continue
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}
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if option.Rack != "" && dn.GetRack().Id() != NodeId(option.Rack) {
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continue
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}
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if option.DataNode != "" && dn.Id() != NodeId(option.DataNode) {
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continue
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}
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counter++
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if rand.Intn(counter) < 1 {
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vid, locationList = v, volumeLocationList.Copy()
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}
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}
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}
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