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register ec shards to topology

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This commit is contained in:
Chris Lu
2019-05-23 23:34:29 -07:00
parent 8a96445f40
commit 8838176d82
3 changed files with 74 additions and 8 deletions
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10
weed/topology/data_node_ec.go
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@@ -18,23 +18,23 @@ func (dn *DataNode) UpdateEcShards(actualShards []*erasure_coding.EcVolumeInfo)
// prepare the new ec shard map
actualEcShardMap := make(map[needle.VolumeId]*erasure_coding.EcVolumeInfo)
for _, ecShards := range actualShards {
actualEcShardMap[ecShards.VolumeId]= ecShards
actualEcShardMap[ecShards.VolumeId] = ecShards
}
// found out the newShards and deletedShards
dn.ecShardsLock.RLock()
for vid, ecShards := range dn.ecShards{
for vid, ecShards := range dn.ecShards {
if actualEcShards, ok := actualEcShardMap[vid]; !ok {
// dn registered ec shards not found in the new set of ec shards
deletedShards = append(deletedShards, ecShards)
} else {
// found, but maybe the actual shard could be missing
a := actualEcShards.Minus(ecShards)
if len(a.ShardIds())>0 {
if len(a.ShardIds()) > 0 {
newShards = append(newShards, a)
}
d := ecShards.Minus(actualEcShards)
if len(d.ShardIds())>0 {
if len(d.ShardIds()) > 0 {
deletedShards = append(deletedShards, d)
}
}
@@ -46,7 +46,7 @@ func (dn *DataNode) UpdateEcShards(actualShards []*erasure_coding.EcVolumeInfo)
}
dn.ecShardsLock.RUnlock()
if len(newShards)>0 || len(deletedShards)>0{
if len(newShards) > 0 || len(deletedShards) > 0 {
// if changed, set to the new ec shard map
dn.ecShardsLock.Lock()
dn.ecShards = actualEcShardMap