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move volume: find target volume server by exiting/max ratio

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This commit is contained in:
chrislu 2022-10-09 22:30:59 -07:00
parent 049f040c3c
commit 98dc1e5c15
1 changed files with 7 additions and 2 deletions
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9
weed/shell/command_volume_server_evacuate.go
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@ -208,17 +208,22 @@ func (c *commandVolumeServerEvacuate) moveAwayOneEcVolume(commandEnv *CommandEnv
}
func moveAwayOneNormalVolume(commandEnv *CommandEnv, volumeReplicas map[uint32][]*VolumeReplica, vol *master_pb.VolumeInformationMessage, thisNode *Node, otherNodes []*Node, applyChange bool) (hasMoved bool, err error) {
fn := capacityByFreeVolumeCount(types.ToDiskType(vol.DiskType))
freeVolumeCountfn := capacityByFreeVolumeCount(types.ToDiskType(vol.DiskType))
maxVolumeCountFn := capacityByMaxVolumeCount(types.ToDiskType(vol.DiskType))
for _, n := range otherNodes {
n.selectVolumes(func(v *master_pb.VolumeInformationMessage) bool {
return v.DiskType == vol.DiskType
})
}
// most empty one is in the front
slices.SortFunc(otherNodes, func(a, b *Node) bool {
return a.localVolumeRatio(fn) < b.localVolumeRatio(fn)
return a.localVolumeRatio(maxVolumeCountFn) < b.localVolumeRatio(maxVolumeCountFn)
})
for i := 0; i < len(otherNodes); i++ {
emptyNode := otherNodes[i]
if freeVolumeCountfn(emptyNode.info) < 0 {
continue
}
hasMoved, err = maybeMoveOneVolume(commandEnv, volumeReplicas, thisNode, vol, emptyNode, applyChange)
if err != nil {
return