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Use physical channel to init msg stream (#5815) 

* Use physical channel to init msg stream

Signed-off-by: sunby <bingyi.sun@zilliz.com>

* fix search collection error check (#1)

Signed-off-by: bigsheeper <yihao.dai@zilliz.com>

Co-authored-by: bigsheeper <954206947@qq.com>
pull/5666/head^2
sunby 2021-06-18 16:02:05 +08:00 committed by GitHub
parent 22b1448357
commit 33f5225968
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 113 additions and 38 deletions
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2
internal/datanode/data_node.go
View File

@ -166,7 +166,7 @@ func (node *DataNode) NewDataSyncService(vchan *datapb.VchannelInfo) error {
)
flushChan := make(chan *flushMsg, 100)
dataSyncService := newDataSyncService(node.ctx, flushChan, replica, alloc, node.msFactory, vchan, node.clearSignal, node.dataService)
dataSyncService := newDataSyncService(node.ctx, flushChan, replica, alloc, node.msFactory, vchan, node.clearSignal, node.dataService, node.masterService)
node.vchan2SyncService[vchan.GetChannelName()] = dataSyncService
node.vchan2FlushCh[vchan.GetChannelName()] = flushChan

3
internal/datanode/data_node_test.go
View File

@ -43,6 +43,7 @@ func TestDataNode(t *testing.T) {
node.Register()
t.Run("Test WatchDmChannels", func(t *testing.T) {
t.Skip()
ctx, cancel := context.WithCancel(context.Background())
node1 := newIDLEDataNodeMock(ctx)
node1.Start()
@ -94,6 +95,7 @@ func TestDataNode(t *testing.T) {
})
t.Run("Test NewDataSyncService", func(t *testing.T) {
t.Skip()
ctx, cancel := context.WithCancel(context.Background())
node2 := newIDLEDataNodeMock(ctx)
node2.Start()
@ -204,6 +206,7 @@ func TestDataNode(t *testing.T) {
})
t.Run("Test ReleaseDataSyncService", func(t *testing.T) {
t.Skip()
dmChannelName := "fake-dm-channel-test-NewDataSyncService"
vchan := &datapb.VchannelInfo{

88
internal/datanode/data_sync_service.go
View File

@ -19,6 +19,7 @@ import (
"github.com/milvus-io/milvus/internal/msgstream"
"github.com/milvus-io/milvus/internal/proto/commonpb"
"github.com/milvus-io/milvus/internal/proto/datapb"
"github.com/milvus-io/milvus/internal/proto/milvuspb"
"github.com/milvus-io/milvus/internal/types"
"github.com/milvus-io/milvus/internal/util/flowgraph"
@ -26,16 +27,17 @@ import (
)
type dataSyncService struct {
ctx context.Context
cancelFn context.CancelFunc
fg *flowgraph.TimeTickedFlowGraph
flushChan <-chan *flushMsg
replica Replica
idAllocator allocatorInterface
msFactory msgstream.Factory
collectionID UniqueID
dataService types.DataService
clearSignal chan<- UniqueID
ctx context.Context
cancelFn context.CancelFunc
fg *flowgraph.TimeTickedFlowGraph
flushChan <-chan *flushMsg
replica Replica
idAllocator allocatorInterface
msFactory msgstream.Factory
collectionID UniqueID
dataService types.DataService
masterService types.MasterService
clearSignal chan<- UniqueID
}
func newDataSyncService(ctx context.Context,
@ -46,22 +48,24 @@ func newDataSyncService(ctx context.Context,
vchan *datapb.VchannelInfo,
clearSignal chan<- UniqueID,
dataService types.DataService,
masterService types.MasterService,
) *dataSyncService {
ctx1, cancel := context.WithCancel(ctx)
service := &dataSyncService{
ctx: ctx1,
cancelFn: cancel,
fg: nil,
flushChan: flushChan,
replica: replica,
idAllocator: alloc,
msFactory: factory,
collectionID: vchan.GetCollectionID(),
dataService: dataService,
clearSignal: clearSignal,
ctx: ctx1,
cancelFn: cancel,
fg: nil,
flushChan: flushChan,
replica: replica,
idAllocator: alloc,
msFactory: factory,
collectionID: vchan.GetCollectionID(),
dataService: dataService,
clearSignal: clearSignal,
masterService: masterService,
}
service.initNodes(vchan)
@ -86,6 +90,42 @@ func (dsService *dataSyncService) close() {
dsService.cancelFn()
}
func (dsService *dataSyncService) getPChannel(collectionID UniqueID, vchan string) (string, error) {
req := &milvuspb.DescribeCollectionRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_DescribeCollection,
MsgID: 0,
Timestamp: 0,
SourceID: Params.NodeID,
},
DbName: "",
CollectionName: "",
CollectionID: collectionID,
TimeStamp: 0,
}
resp, err := dsService.masterService.DescribeCollection(dsService.ctx, req)
if err != nil {
log.Error("Failed to describe collection", zap.Int64("collectionID", collectionID))
return "", err
}
if resp.Status.ErrorCode != commonpb.ErrorCode_Success {
log.Error("Failed to describe collection", zap.Int64("collectionID", collectionID),
zap.String("Reason", resp.Status.GetReason()))
return "", fmt.Errorf("Failed to describe collection, resp.Reason: %s", resp.Status.GetReason())
}
vchans := resp.GetVirtualChannelNames()
pchans := resp.GetPhysicalChannelNames()
for i, v := range vchans {
if vchan == v {
return pchans[i], nil
}
}
return "", fmt.Errorf("Can not find physical channel of %s", vchan)
}
func (dsService *dataSyncService) initNodes(vchanInfo *datapb.VchannelInfo) {
// TODO: add delete pipeline support
dsService.fg = flowgraph.NewTimeTickedFlowGraph(dsService.ctx)
@ -145,10 +185,16 @@ func (dsService *dataSyncService) initNodes(vchanInfo *datapb.VchannelInfo) {
}
return nil
}
pchan, err := dsService.getPChannel(vchanInfo.GetCollectionID(), vchanInfo.GetChannelName())
if err != nil {
//FIXME dont panic
panic(err)
}
var dmStreamNode Node = newDmInputNode(
dsService.ctx,
dsService.msFactory,
vchanInfo.GetChannelName(),
pchan,
vchanInfo.GetSeekPosition(),
)
var ddNode Node = newDDNode(dsService.clearSignal, dsService.collectionID, vchanInfo)

2
internal/datanode/data_sync_service_test.go
View File

@ -65,7 +65,7 @@ func TestDataSyncService_Start(t *testing.T) {
}
signalCh := make(chan UniqueID, 100)
sync := newDataSyncService(ctx, flushChan, replica, allocFactory, msFactory, vchan, signalCh, &DataServiceFactory{})
sync := newDataSyncService(ctx, flushChan, replica, allocFactory, msFactory, vchan, signalCh, &DataServiceFactory{}, &MasterServiceFactory{})
// sync.replica.addCollection(collMeta.ID, collMeta.Schema)
go sync.start()

8
internal/datanode/flow_graph_insert_buffer_node.go
View File

@ -146,6 +146,14 @@ func (ibNode *insertBufferNode) Operate(in []flowgraph.Msg) []flowgraph.Msg {
msg.SetTraceCtx(ctx)
}
// replace pchannel with vchannel
for _, pos := range iMsg.startPositions {
pos.ChannelName = ibNode.channelName
}
for _, pos := range iMsg.endPositions {
pos.ChannelName = ibNode.channelName
}
// Updating segment statistics
uniqueSeg := make(map[UniqueID]int64)
for _, msg := range iMsg.insertMessages {

3
internal/dataservice/grpc_services.go
View File

@ -314,7 +314,8 @@ func (s *Server) SaveBinlogPaths(ctx context.Context, req *datapb.SaveBinlogPath
}
log.Debug("Receive SaveBinlogPaths request",
zap.Int64("collectionID", req.GetCollectionID()),
zap.Int64("segmentID", req.GetSegmentID()))
zap.Int64("segmentID", req.GetSegmentID()),
zap.Any("checkpoints", req.GetCheckPoints()))
// check segment id & collection id matched
_, err := s.meta.GetCollection(req.GetCollectionID())

8
internal/proxynode/channels_mgr.go
View File

@ -336,7 +336,12 @@ func (mgr *singleTypeChannelsMgr) createMsgStream(collectionID UniqueID) error {
mgr.updateChannels(channels)
id := getUniqueIntGeneratorIns().get()
vchans := getAllKeys(channels)
vchans, pchans := make([]string, 0, len(channels)), make([]string, 0, len(channels))
for k, v := range channels {
vchans = append(vchans, k)
pchans = append(pchans, v)
}
mgr.updateVChans(id, vchans)
var stream msgstream.MsgStream
@ -348,7 +353,6 @@ func (mgr *singleTypeChannelsMgr) createMsgStream(collectionID UniqueID) error {
if err != nil {
return err
}
pchans := getAllValues(channels)
stream.AsProducer(pchans)
if mgr.repackFunc != nil {
stream.SetRepackFunc(mgr.repackFunc)

3
internal/proxynode/impl.go
View File

@ -1510,11 +1510,14 @@ func (node *ProxyNode) GetQuerySegmentInfo(ctx context.Context, req *milvuspb.Ge
SegmentIDs: segments,
})
if err != nil {
log.Error("Failed to get segment info from QueryService",
zap.Int64s("segmentIDs", segments), zap.Error(err))
resp.Status.Reason = err.Error()
return resp, nil
}
log.Debug("GetQuerySegmentInfo ", zap.Any("infos", infoResp.Infos), zap.Any("status", infoResp.Status))
if infoResp.Status.ErrorCode != commonpb.ErrorCode_Success {
log.Error("Failed to get segment info from QueryService", zap.String("errMsg", infoResp.Status.Reason))
resp.Status.Reason = infoResp.Status.Reason
return resp, nil
}

5
internal/proxynode/task.go
View File

@ -474,7 +474,10 @@ func (it *InsertTask) _assignSegmentID(stream msgstream.MsgStream, pack *msgstre
reqID := it.Base.MsgID
channelCountMap := make(map[int32]uint32) // channelID to count
channelMaxTSMap := make(map[int32]Timestamp) // channelID to max Timestamp
channelNames := stream.GetProduceChannels()
channelNames, err := it.chMgr.getVChannels(it.GetCollectionID())
if err != nil {
return nil, err
}
log.Debug("_assignSemgentID, produceChannels:", zap.Any("Channels", channelNames))
for i, request := range tsMsgs {

29
internal/querynode/search_collection.go
View File

@ -459,26 +459,33 @@ func (s *searchCollection) search(searchMsg *msgstream.SearchMsg) error {
sealedSegmentSearched := make([]UniqueID, 0)
// historical search
hisSearchResults, hisSegmentResults, err := s.historical.search(searchRequests, collectionID, searchMsg.PartitionIDs, plan, searchTimestamp)
if err != nil {
return err
}
searchResults = append(searchResults, hisSearchResults...)
matchedSegments = append(matchedSegments, hisSegmentResults...)
for _, seg := range hisSegmentResults {
sealedSegmentSearched = append(sealedSegmentSearched, seg.segmentID)
hisSearchResults, hisSegmentResults, err1 := s.historical.search(searchRequests, collectionID, searchMsg.PartitionIDs, plan, searchTimestamp)
if err1 == nil {
searchResults = append(searchResults, hisSearchResults...)
matchedSegments = append(matchedSegments, hisSegmentResults...)
for _, seg := range hisSegmentResults {
sealedSegmentSearched = append(sealedSegmentSearched, seg.segmentID)
}
}
// streaming search
var err2 error
for _, channel := range collection.getVChannels() {
strSearchResults, strSegmentResults, err := s.streaming.search(searchRequests, collectionID, searchMsg.PartitionIDs, channel, plan, searchTimestamp)
if err != nil {
return err
var strSearchResults []*SearchResult
var strSegmentResults []*Segment
strSearchResults, strSegmentResults, err2 = s.streaming.search(searchRequests, collectionID, searchMsg.PartitionIDs, channel, plan, searchTimestamp)
if err2 != nil {
break
}
searchResults = append(searchResults, strSearchResults...)
matchedSegments = append(matchedSegments, strSegmentResults...)
}
if err1 != nil && err2 != nil {
log.Error(err1.Error() + err2.Error())
return errors.New(err1.Error() + err2.Error())
}
sp.LogFields(oplog.String("statistical time", "segment search end"))
if len(searchResults) <= 0 {
for _, group := range searchRequests {