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schedule new volume by free volume number of nodes

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This commit is contained in:
zhangsong
2020-03-05 13:41:52 +08:00
parent e031605248
commit 40f70481cd
3 changed files with 138 additions and 43 deletions
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6
weed/topology/volume_growth.go
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@@ -112,7 +112,7 @@ func (vg *VolumeGrowth) findAndGrow(grpcDialOption grpc.DialOption, topo *Topolo
func (vg *VolumeGrowth) findEmptySlotsForOneVolume(topo *Topology, option *VolumeGrowOption) (servers []*DataNode, err error) {
//find main datacenter and other data centers
rp := option.ReplicaPlacement
mainDataCenter, otherDataCenters, dc_err := topo.RandomlyPickNodes(rp.DiffDataCenterCount+1, func(node Node) error {
mainDataCenter, otherDataCenters, dc_err := topo.PickNodesByWeight(rp.DiffDataCenterCount+1, func(node Node) error {
if option.DataCenter != "" && node.IsDataCenter() && node.Id() != NodeId(option.DataCenter) {
return fmt.Errorf("Not matching preferred data center:%s", option.DataCenter)
}
@@ -144,7 +144,7 @@ func (vg *VolumeGrowth) findEmptySlotsForOneVolume(topo *Topology, option *Volum
}
//find main rack and other racks
mainRack, otherRacks, rackErr := mainDataCenter.(*DataCenter).RandomlyPickNodes(rp.DiffRackCount+1, func(node Node) error {
mainRack, otherRacks, rackErr := mainDataCenter.(*DataCenter).PickNodesByWeight(rp.DiffRackCount+1, func(node Node) error {
if option.Rack != "" && node.IsRack() && node.Id() != NodeId(option.Rack) {
return fmt.Errorf("Not matching preferred rack:%s", option.Rack)
}
@@ -171,7 +171,7 @@ func (vg *VolumeGrowth) findEmptySlotsForOneVolume(topo *Topology, option *Volum
}
//find main rack and other racks
mainServer, otherServers, serverErr := mainRack.(*Rack).RandomlyPickNodes(rp.SameRackCount+1, func(node Node) error {
mainServer, otherServers, serverErr := mainRack.(*Rack).PickNodesByWeight(rp.SameRackCount+1, func(node Node) error {
if option.DataNode != "" && node.IsDataNode() && node.Id() != NodeId(option.DataNode) {
return fmt.Errorf("Not matching preferred data node:%s", option.DataNode)
}