1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
package storage
import (
"context"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/operation"
"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
"github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding"
"github.com/seaweedfs/seaweedfs/weed/storage/needle"
"github.com/seaweedfs/seaweedfs/weed/storage/types"
)
func (s *Store) DeleteEcShardNeedle(ecVolume *erasure_coding.EcVolume, n *needle.Needle, cookie types.Cookie) (int64, error) {
count, err := s.ReadEcShardNeedle(ecVolume.VolumeId, n, nil)
if err != nil {
return 0, err
}
// cookie == 0 indicates SkipCookieCheck was requested (e.g., orphan cleanup)
if cookie != 0 && cookie != n.Cookie {
return 0, fmt.Errorf("unexpected cookie %x", cookie)
}
if err = s.doDeleteNeedleFromAtLeastOneRemoteEcShards(ecVolume, n.Id); err != nil {
return 0, err
}
return int64(count), nil
}
func (s *Store) doDeleteNeedleFromAtLeastOneRemoteEcShards(ecVolume *erasure_coding.EcVolume, needleId types.NeedleId) error {
_, _, intervals, err := ecVolume.LocateEcShardNeedle(needleId, ecVolume.Version)
if err != nil {
return err
}
if len(intervals) == 0 {
return erasure_coding.NotFoundError
}
shardId, _ := intervals[0].ToShardIdAndOffset(erasure_coding.ErasureCodingLargeBlockSize, erasure_coding.ErasureCodingSmallBlockSize)
err = s.doDeleteNeedleFromRemoteEcShardServers(shardId, ecVolume, needleId)
if err == nil {
return nil
}
for shardId = erasure_coding.DataShardsCount; shardId < erasure_coding.TotalShardsCount; shardId++ {
if parityDeletionError := s.doDeleteNeedleFromRemoteEcShardServers(shardId, ecVolume, needleId); parityDeletionError == nil {
return nil
}
}
return err
}
func (s *Store) doDeleteNeedleFromRemoteEcShardServers(shardId erasure_coding.ShardId, ecVolume *erasure_coding.EcVolume, needleId types.NeedleId) error {
ecVolume.ShardLocationsLock.RLock()
sourceDataNodes, hasShardLocations := ecVolume.ShardLocations[shardId]
ecVolume.ShardLocationsLock.RUnlock()
if !hasShardLocations {
return fmt.Errorf("ec shard %d.%d not located", ecVolume.VolumeId, shardId)
}
for _, sourceDataNode := range sourceDataNodes {
glog.V(4).Infof("delete from remote ec shard %d.%d from %s", ecVolume.VolumeId, shardId, sourceDataNode)
if err := s.doDeleteNeedleFromRemoteEcShard(sourceDataNode, ecVolume.VolumeId, ecVolume.Collection, ecVolume.Version, needleId); err != nil {
return err
}
}
return nil
}
func (s *Store) doDeleteNeedleFromRemoteEcShard(sourceDataNode pb.ServerAddress, vid needle.VolumeId, collection string, version needle.Version, needleId types.NeedleId) error {
return operation.WithVolumeServerClient(false, sourceDataNode, s.grpcDialOption, func(client volume_server_pb.VolumeServerClient) error {
// copy data slice
_, err := client.VolumeEcBlobDelete(context.Background(), &volume_server_pb.VolumeEcBlobDeleteRequest{
VolumeId: uint32(vid),
Collection: collection,
FileKey: uint64(needleId),
Version: uint32(version),
})
if err != nil {
return fmt.Errorf("failed to delete from ec shard %d on %s: %v", vid, sourceDataNode, err)
}
return nil
})
}
|
