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shell: volume.balance runs for each collection, and for ALL at the end

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This commit is contained in:
Chris Lu 2019-05-05 22:28:14 -07:00
parent f08bbb72de
commit 8656102127
1 changed files with 23 additions and 7 deletions
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26
weed/shell/command_volume_balance.go
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@ -43,7 +43,7 @@ func (c *commandVolumeBalance) Help() string {
}
pick the volume server A with the lowest number of writable volumes x
pick the volume server B with the highest number of writable volumes y
if y > idealWritableVolumes and x +1 < idealWritableVolumes {
if y > idealWritableVolumes and x +1 <= idealWritableVolumes {
if B has a writable volume id v that A does not have {
move writable volume v from A to B
}
@ -60,7 +60,7 @@ func (c *commandVolumeBalance) Help() string {
func (c *commandVolumeBalance) Do(args []string, commandEnv *commandEnv, writer io.Writer) (err error) {
balanceCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
collection := balanceCommand.String("c", "", "collection name. use \"ALL\" for all collections")
collection := balanceCommand.String("c", "ALL", "collection name. use \"ALL\" for all collections")
applyBalancing := balanceCommand.Bool("f", false, "apply the balancing plan.")
if err = balanceCommand.Parse(args); err != nil {
return nil
@ -81,10 +81,26 @@ func (c *commandVolumeBalance) Do(args []string, commandEnv *commandEnv, writer
if len(volumeServers) < 2 {
continue
}
if *collection == "ALL" {
collections, err := ListCollectionNames(commandEnv)
if err != nil {
return err
}
for _, c := range collections {
if err = balanceVolumeServers(commandEnv, volumeServers, resp.VolumeSizeLimitMb*1024*1024, c, *applyBalancing); err != nil {
return err
}
}
if err = balanceVolumeServers(commandEnv, volumeServers, resp.VolumeSizeLimitMb*1024*1024, "ALL", *applyBalancing); err != nil {
return err
}
} else {
if err = balanceVolumeServers(commandEnv, volumeServers, resp.VolumeSizeLimitMb*1024*1024, *collection, *applyBalancing); err != nil {
return err
}
}
}
return nil
}
@ -98,7 +114,7 @@ func balanceVolumeServers(commandEnv *commandEnv, dataNodeInfos []*master_pb.Dat
// balance writable volumes
for _, n := range nodes {
n.prepareVolumes(func(v *master_pb.VolumeInformationMessage) bool {
n.selectVolumes(func(v *master_pb.VolumeInformationMessage) bool {
if collection != "ALL" {
if v.Collection != collection {
return false
@ -113,7 +129,7 @@ func balanceVolumeServers(commandEnv *commandEnv, dataNodeInfos []*master_pb.Dat
// balance readable volumes
for _, n := range nodes {
n.prepareVolumes(func(v *master_pb.VolumeInformationMessage) bool {
n.selectVolumes(func(v *master_pb.VolumeInformationMessage) bool {
if collection != "ALL" {
if v.Collection != collection {
return false
@ -213,7 +229,7 @@ func moveVolume(commandEnv *commandEnv, v *master_pb.VolumeInformationMessage, f
return nil
}
func (node *Node) prepareVolumes(fn func(v *master_pb.VolumeInformationMessage) bool) {
func (node *Node) selectVolumes(fn func(v *master_pb.VolumeInformationMessage) bool) {
node.selectedVolumes = make(map[uint32]*master_pb.VolumeInformationMessage)
for _, v := range node.info.VolumeInfos {
if fn(v) {