// glog.V(4).Infof("overlap data new [0,%d) same=%v", dataStartIndex, bytes.Compare(interval.Data[0:dataStartIndex], list.Tail.Data[len(list.Tail.Data)-int(dataStartIndex):]))
glog.V(4).Infof("overlap data new [0,%d) same=%v",dataStartIndex,bytes.Compare(interval.Data[0:dataStartIndex],list.Tail.Data[len(list.Tail.Data)-int(dataStartIndex):]))
interval.Data=interval.Data[dataStartIndex:]
interval.Data=interval.Data[dataStartIndex:]
interval.Size-=dataStartIndex
interval.Size-=dataStartIndex
interval.Offset=offset+dataStartIndex
interval.Offset=offset+dataStartIndex
// glog.V(4).Infof("overlapping append as [%d,%d) dataSize=%d", interval.Offset, interval.Offset+interval.Size, len(interval.Data))
glog.V(4).Infof("overlapping append as [%d,%d) dataSize=%d",interval.Offset,interval.Offset+interval.Size,len(interval.Data))