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add TTL support

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The volume TTL and file TTL are not necessarily the same. as long as
file TTL is smaller than volume TTL, it'll be fine.

volume TTL is used when assigning file id, e.g.
http://.../dir/assign?ttl=3h

file TTL is used when uploading
This commit is contained in:
Chris Lu
2014-09-20 12:38:59 -07:00
parent a092794804
commit b9aee2defb
31 changed files with 416 additions and 105 deletions
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6
go/topology/data_node.go
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@@ -38,15 +38,16 @@ func (dn *DataNode) AddOrUpdateVolume(v storage.VolumeInfo) {
}
}
func (dn *DataNode) UpdateVolumes(actualVolumes []storage.VolumeInfo) {
func (dn *DataNode) UpdateVolumes(actualVolumes []storage.VolumeInfo) (deletedVolumes []storage.VolumeInfo) {
actualVolumeMap := make(map[storage.VolumeId]storage.VolumeInfo)
for _, v := range actualVolumes {
actualVolumeMap[v.Id] = v
}
for vid, _ := range dn.volumes {
for vid, v := range dn.volumes {
if _, ok := actualVolumeMap[vid]; !ok {
glog.V(0).Infoln("Deleting volume id:", vid)
delete(dn.volumes, vid)
deletedVolumes = append(deletedVolumes, v)
dn.UpAdjustVolumeCountDelta(-1)
dn.UpAdjustActiveVolumeCountDelta(-1)
}
@@ -54,6 +55,7 @@ func (dn *DataNode) UpdateVolumes(actualVolumes []storage.VolumeInfo) {
for _, v := range actualVolumes {
dn.AddOrUpdateVolume(v)
}
return
}
func (dn *DataNode) GetDataCenter() *DataCenter {