lsm/seaweedfs
1
0
Fork 0
mirror of https://github.com/seaweedfs/seaweedfs.git synced 2025-12-19 19:53:32 +08:00
Code Issues Actions 16 Packages Projects Releases Wiki Activity

erasure coding: tracking encoded/decoded volumes

Browse Source 
If an EC shard is created but not spread to other servers, the masterclient would think this shard is not located here.
This commit is contained in:
chrislu
2022-04-05 19:03:02 -07:00
parent 8b3d76b24d
commit bc888226fc
7 changed files with 503 additions and 419 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
weed/wdclient/vid_map.go
View File

@@ -36,16 +36,18 @@ func (l Location) ServerAddress() pb.ServerAddress {
type vidMap struct {
sync.RWMutex
vid2Locations map[uint32][]Location
DataCenter string
cursor int32
vid2Locations map[uint32][]Location
ecVid2Locations map[uint32][]Location
DataCenter string
cursor int32
}
func newVidMap(dataCenter string) vidMap {
return vidMap{
vid2Locations: make(map[uint32][]Location),
DataCenter: dataCenter,
cursor: -1,
vid2Locations: make(map[uint32][]Location),
ecVid2Locations: make(map[uint32][]Location),
DataCenter: dataCenter,
cursor: -1,
}
}
@@ -124,7 +126,13 @@ func (vc *vidMap) GetLocations(vid uint32) (locations []Location, found bool) {
vc.RLock()
defer vc.RUnlock()
glog.V(4).Infof("~ lookup volume id %d: %+v ec:%+v", vid, vc.vid2Locations, vc.ecVid2Locations)
locations, found = vc.vid2Locations[vid]
if found && len(locations) > 0 {
return
}
locations, found = vc.ecVid2Locations[vid]
return
}
@@ -132,6 +140,8 @@ func (vc *vidMap) addLocation(vid uint32, location Location) {
vc.Lock()
defer vc.Unlock()
glog.V(4).Infof("+ volume id %d: %+v", vid, location)
locations, found := vc.vid2Locations[vid]
if !found {
vc.vid2Locations[vid] = []Location{location}
@@ -148,10 +158,34 @@ func (vc *vidMap) addLocation(vid uint32, location Location) {
}
func (vc *vidMap) addEcLocation(vid uint32, location Location) {
vc.Lock()
defer vc.Unlock()
glog.V(4).Infof("+ ec volume id %d: %+v", vid, location)
locations, found := vc.ecVid2Locations[vid]
if !found {
vc.ecVid2Locations[vid] = []Location{location}
return
}
for _, loc := range locations {
if loc.Url == location.Url {
return
}
}
vc.ecVid2Locations[vid] = append(locations, location)
}
func (vc *vidMap) deleteLocation(vid uint32, location Location) {
vc.Lock()
defer vc.Unlock()
glog.V(4).Infof("- volume id %d: %+v", vid, location)
locations, found := vc.vid2Locations[vid]
if !found {
return
@@ -165,3 +199,23 @@ func (vc *vidMap) deleteLocation(vid uint32, location Location) {
}
}
func (vc *vidMap) deleteEcLocation(vid uint32, location Location) {
vc.Lock()
defer vc.Unlock()
glog.V(4).Infof("- ec volume id %d: %+v", vid, location)
locations, found := vc.ecVid2Locations[vid]
if !found {
return
}
for i, loc := range locations {
if loc.Url == location.Url {
vc.ecVid2Locations[vid] = append(locations[0:i], locations[i+1:]...)
break
}
}
}