diff options
Diffstat (limited to 'weed/wdclient/vid_map.go')
| -rw-r--r-- | weed/wdclient/vid_map.go | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/weed/wdclient/vid_map.go b/weed/wdclient/vid_map.go index 670d1ad77..e0bea2a01 100644 --- a/weed/wdclient/vid_map.go +++ b/weed/wdclient/vid_map.go @@ -4,6 +4,7 @@ import ( "errors" "fmt" "github.com/chrislusf/seaweedfs/weed/pb" + "math/rand" "strconv" "strings" "sync" @@ -69,13 +70,21 @@ func (vc *vidMap) LookupVolumeServerUrl(vid string) (serverUrls []string, err er if !found { return nil, fmt.Errorf("volume %d not found", id) } + var sameDcServers, otherDcServers []string for _, loc := range locations { if vc.DataCenter == "" || loc.DataCenter == "" || vc.DataCenter != loc.DataCenter { - serverUrls = append(serverUrls, loc.Url) + sameDcServers = append(sameDcServers, loc.Url) } else { - serverUrls = append([]string{loc.Url}, serverUrls...) + otherDcServers = append(otherDcServers, loc.Url) } } + rand.Shuffle(len(sameDcServers), func(i, j int) { + sameDcServers[i], sameDcServers[j] = sameDcServers[j], sameDcServers[i] + }) + rand.Shuffle(len(otherDcServers), func(i, j int) { + otherDcServers[i], otherDcServers[j] = otherDcServers[j], otherDcServers[i] + }) + serverUrls = append(sameDcServers, otherDcServers...) return } |