Merge pull request #2527 from banjiaojuhao/master-assign-by-datanode

This commit is contained in:
Chris Lu 2021-12-21 08:56:51 -08:00 committed by GitHub
commit b0665a15f4
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23

View file

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