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693 lines
25 KiB
Go
693 lines
25 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package querycoord
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import (
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"context"
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"errors"
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"fmt"
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"github.com/milvus-io/milvus/internal/common"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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"github.com/milvus-io/milvus/internal/proto/milvuspb"
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"github.com/milvus-io/milvus/internal/proto/querypb"
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"github.com/milvus-io/milvus/internal/util/metricsinfo"
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)
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// GetComponentStates return information about whether the coord is healthy
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func (qc *QueryCoord) GetComponentStates(ctx context.Context) (*internalpb.ComponentStates, error) {
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nodeID := common.NotRegisteredID
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if qc.session != nil && qc.session.Registered() {
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nodeID = qc.session.ServerID
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}
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serviceComponentInfo := &internalpb.ComponentInfo{
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// NodeID: Params.QueryCoordID, // will race with QueryCoord.Register()
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NodeID: nodeID,
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StateCode: qc.stateCode.Load().(internalpb.StateCode),
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}
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//subComponentInfos, err := qs.cluster.GetComponentInfos(ctx)
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//if err != nil {
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// return &internalpb.ComponentStates{
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// Status: &commonpb.Status{
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// ErrorCode: commonpb.ErrorCode_UnexpectedError,
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// Reason: err.Error(),
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// },
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// }, err
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//}
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return &internalpb.ComponentStates{
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Status: &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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},
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State: serviceComponentInfo,
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//SubcomponentStates: subComponentInfos,
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}, nil
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}
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// GetTimeTickChannel returns the time tick channel
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// TimeTickChannel contains many time tick messages, which has been sent by query nodes
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func (qc *QueryCoord) GetTimeTickChannel(ctx context.Context) (*milvuspb.StringResponse, error) {
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return &milvuspb.StringResponse{
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Status: &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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Reason: "",
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},
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Value: Params.TimeTickChannelName,
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}, nil
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}
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// GetStatisticsChannel return the statistics channel
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// Statistics channel contains statistics infos of query nodes, such as segment infos, memory infos
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func (qc *QueryCoord) GetStatisticsChannel(ctx context.Context) (*milvuspb.StringResponse, error) {
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return &milvuspb.StringResponse{
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Status: &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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Reason: "",
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},
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Value: Params.StatsChannelName,
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}, nil
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}
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// ShowCollections return all the collections that have been loaded
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func (qc *QueryCoord) ShowCollections(ctx context.Context, req *querypb.ShowCollectionsRequest) (*querypb.ShowCollectionsResponse, error) {
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dbID := req.DbID
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log.Debug("show collection start", zap.Int64("dbID", dbID))
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status := &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}
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if qc.stateCode.Load() != internalpb.StateCode_Healthy {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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err := errors.New("query coordinator is not healthy")
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status.Reason = err.Error()
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log.Debug("show collection end with query coordinator not healthy")
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return &querypb.ShowCollectionsResponse{
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Status: status,
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}, err
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}
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collectionInfos := qc.meta.showCollections()
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ID2collectionInfo := make(map[UniqueID]*querypb.CollectionInfo)
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inMemoryCollectionIDs := make([]UniqueID, 0)
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for _, info := range collectionInfos {
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ID2collectionInfo[info.CollectionID] = info
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inMemoryCollectionIDs = append(inMemoryCollectionIDs, info.CollectionID)
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}
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inMemoryPercentages := make([]int64, 0)
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if len(req.CollectionIDs) == 0 {
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for _, id := range inMemoryCollectionIDs {
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inMemoryPercentages = append(inMemoryPercentages, ID2collectionInfo[id].InMemoryPercentage)
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}
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log.Debug("show collection end", zap.Int64s("collections", inMemoryCollectionIDs), zap.Int64s("inMemoryPercentage", inMemoryPercentages))
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return &querypb.ShowCollectionsResponse{
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Status: status,
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CollectionIDs: inMemoryCollectionIDs,
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InMemoryPercentages: inMemoryPercentages,
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}, nil
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}
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for _, id := range req.CollectionIDs {
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if _, ok := ID2collectionInfo[id]; !ok {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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err := fmt.Errorf("collection %d has not been loaded to memory or load failed", id)
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status.Reason = err.Error()
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return &querypb.ShowCollectionsResponse{
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Status: status,
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}, err
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}
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inMemoryPercentages = append(inMemoryPercentages, ID2collectionInfo[id].InMemoryPercentage)
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}
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log.Debug("show collection end", zap.Int64s("collections", req.CollectionIDs), zap.Int64s("inMemoryPercentage", inMemoryPercentages))
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return &querypb.ShowCollectionsResponse{
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Status: status,
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CollectionIDs: req.CollectionIDs,
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InMemoryPercentages: inMemoryPercentages,
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}, nil
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}
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// LoadCollection loads all the sealed segments of this collection to queryNodes, and assigns watchDmChannelRequest to queryNodes
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func (qc *QueryCoord) LoadCollection(ctx context.Context, req *querypb.LoadCollectionRequest) (*commonpb.Status, error) {
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collectionID := req.CollectionID
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//schema := req.Schema
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log.Debug("LoadCollectionRequest received", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", collectionID),
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zap.Stringer("schema", req.Schema))
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status := &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}
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if qc.stateCode.Load() != internalpb.StateCode_Healthy {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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err := errors.New("query coordinator is not healthy")
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status.Reason = err.Error()
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log.Debug("load collection end with query coordinator not healthy")
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return status, err
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}
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baseTask := newBaseTask(qc.loopCtx, querypb.TriggerCondition_grpcRequest)
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loadCollectionTask := &loadCollectionTask{
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baseTask: baseTask,
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LoadCollectionRequest: req,
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rootCoord: qc.rootCoordClient,
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dataCoord: qc.dataCoordClient,
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indexCoord: qc.indexCoordClient,
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cluster: qc.cluster,
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meta: qc.meta,
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}
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err := qc.scheduler.Enqueue(loadCollectionTask)
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if err != nil {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = err.Error()
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return status, err
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}
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err = loadCollectionTask.waitToFinish()
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if err != nil {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = err.Error()
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return status, err
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}
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log.Debug("LoadCollectionRequest completed", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", collectionID), zap.Any("status", status))
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return status, nil
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}
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// ReleaseCollection clears all data related to this collecion on the querynode
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func (qc *QueryCoord) ReleaseCollection(ctx context.Context, req *querypb.ReleaseCollectionRequest) (*commonpb.Status, error) {
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//dbID := req.DbID
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collectionID := req.CollectionID
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log.Debug("ReleaseCollectionRequest received", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", collectionID))
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status := &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}
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if qc.stateCode.Load() != internalpb.StateCode_Healthy {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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err := errors.New("query coordinator is not healthy")
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status.Reason = err.Error()
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log.Debug("release collection end with query coordinator not healthy")
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return status, err
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}
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hasCollection := qc.meta.hasCollection(collectionID)
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if !hasCollection {
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log.Warn("release collection end, query coordinator don't have the log of", zap.Int64("collectionID", collectionID))
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return status, nil
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}
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baseTask := newBaseTask(qc.loopCtx, querypb.TriggerCondition_grpcRequest)
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releaseCollectionTask := &releaseCollectionTask{
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baseTask: baseTask,
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ReleaseCollectionRequest: req,
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cluster: qc.cluster,
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meta: qc.meta,
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rootCoord: qc.rootCoordClient,
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}
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err := qc.scheduler.Enqueue(releaseCollectionTask)
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if err != nil {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = err.Error()
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return status, err
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}
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err = releaseCollectionTask.waitToFinish()
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if err != nil {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = err.Error()
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return status, err
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}
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log.Debug("ReleaseCollectionRequest completed", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", collectionID))
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//qc.MetaReplica.printMeta()
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//qc.cluster.printMeta()
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return status, nil
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}
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// ShowPartitions return all the partitions that have been loaded
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func (qc *QueryCoord) ShowPartitions(ctx context.Context, req *querypb.ShowPartitionsRequest) (*querypb.ShowPartitionsResponse, error) {
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collectionID := req.CollectionID
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log.Debug("show partitions start, ", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", req.PartitionIDs))
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status := &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}
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if qc.stateCode.Load() != internalpb.StateCode_Healthy {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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err := errors.New("query coordinator is not healthy")
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status.Reason = err.Error()
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log.Debug("show partition end with query coordinator not healthy")
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return &querypb.ShowPartitionsResponse{
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Status: status,
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}, err
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}
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partitionStates, err := qc.meta.showPartitions(collectionID)
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if err != nil {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = err.Error()
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return &querypb.ShowPartitionsResponse{
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Status: status,
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}, err
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}
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ID2PartitionState := make(map[UniqueID]*querypb.PartitionStates)
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inMemoryPartitionIDs := make([]UniqueID, 0)
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for _, state := range partitionStates {
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ID2PartitionState[state.PartitionID] = state
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inMemoryPartitionIDs = append(inMemoryPartitionIDs, state.PartitionID)
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}
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inMemoryPercentages := make([]int64, 0)
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if len(req.PartitionIDs) == 0 {
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for _, id := range inMemoryPartitionIDs {
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inMemoryPercentages = append(inMemoryPercentages, ID2PartitionState[id].InMemoryPercentage)
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}
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log.Debug("show partitions end", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", inMemoryPartitionIDs), zap.Int64s("inMemoryPercentage", inMemoryPercentages))
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return &querypb.ShowPartitionsResponse{
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Status: status,
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PartitionIDs: inMemoryPartitionIDs,
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InMemoryPercentages: inMemoryPercentages,
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}, nil
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}
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for _, id := range req.PartitionIDs {
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if _, ok := ID2PartitionState[id]; !ok {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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err := errors.New("partition has not been loaded to memory or load failed")
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status.Reason = err.Error()
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return &querypb.ShowPartitionsResponse{
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Status: status,
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}, err
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}
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inMemoryPercentages = append(inMemoryPercentages, ID2PartitionState[id].InMemoryPercentage)
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}
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log.Debug("show partitions end", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", req.PartitionIDs), zap.Int64s("inMemoryPercentage", inMemoryPercentages))
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return &querypb.ShowPartitionsResponse{
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Status: status,
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PartitionIDs: req.PartitionIDs,
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InMemoryPercentages: inMemoryPercentages,
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}, nil
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}
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// LoadPartitions loads all the sealed segments of this partition to queryNodes, and assigns watchDmChannelRequest to queryNodes
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func (qc *QueryCoord) LoadPartitions(ctx context.Context, req *querypb.LoadPartitionsRequest) (*commonpb.Status, error) {
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collectionID := req.CollectionID
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partitionIDs := req.PartitionIDs
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log.Debug("LoadPartitionRequest received", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", partitionIDs))
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status := &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}
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if qc.stateCode.Load() != internalpb.StateCode_Healthy {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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err := errors.New("query coordinator is not healthy")
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status.Reason = err.Error()
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log.Debug("load partition end with query coordinator not healthy")
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return status, err
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}
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if len(partitionIDs) == 0 {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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err := errors.New("partitionIDs are empty")
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status.Reason = err.Error()
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log.Debug("LoadPartitionRequest completed", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", req.CollectionID))
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return status, err
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}
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hasCollection := qc.meta.hasCollection(collectionID)
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if hasCollection {
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partitionIDsToLoad := make([]UniqueID, 0)
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loadType, _ := qc.meta.getLoadType(collectionID)
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if loadType == querypb.LoadType_loadCollection {
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for _, partitionID := range partitionIDs {
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hasReleasePartition := qc.meta.hasReleasePartition(collectionID, partitionID)
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if hasReleasePartition {
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partitionIDsToLoad = append(partitionIDsToLoad, partitionID)
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}
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}
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} else {
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for _, partitionID := range partitionIDs {
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hasPartition := qc.meta.hasPartition(collectionID, partitionID)
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if !hasPartition {
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partitionIDsToLoad = append(partitionIDsToLoad, partitionID)
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}
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}
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}
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if len(partitionIDsToLoad) == 0 {
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log.Debug("LoadPartitionRequest completed", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", req.CollectionID))
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return status, nil
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}
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req.PartitionIDs = partitionIDsToLoad
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}
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baseTask := newBaseTask(qc.loopCtx, querypb.TriggerCondition_grpcRequest)
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loadPartitionTask := &loadPartitionTask{
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baseTask: baseTask,
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LoadPartitionsRequest: req,
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rootCoord: qc.rootCoordClient,
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dataCoord: qc.dataCoordClient,
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indexCoord: qc.indexCoordClient,
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cluster: qc.cluster,
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meta: qc.meta,
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}
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err := qc.scheduler.Enqueue(loadPartitionTask)
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if err != nil {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = err.Error()
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return status, err
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}
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err = loadPartitionTask.waitToFinish()
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if err != nil {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = err.Error()
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log.Debug("LoadPartitionRequest completed", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", req.CollectionID))
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return status, err
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}
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log.Debug("LoadPartitionRequest completed", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", req.CollectionID))
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return status, nil
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}
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// ReleasePartitions clears all data related to this partition on the querynode
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func (qc *QueryCoord) ReleasePartitions(ctx context.Context, req *querypb.ReleasePartitionsRequest) (*commonpb.Status, error) {
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//dbID := req.DbID
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collectionID := req.CollectionID
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partitionIDs := req.PartitionIDs
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log.Debug("ReleasePartitionRequest received", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", req.CollectionID), zap.Int64s("partitionIDs", partitionIDs))
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status := &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}
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if qc.stateCode.Load() != internalpb.StateCode_Healthy {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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err := errors.New("query coordinator is not healthy")
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status.Reason = err.Error()
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log.Debug("release partition end with query coordinator not healthy")
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return status, err
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}
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hasCollection := qc.meta.hasCollection(collectionID)
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if !hasCollection {
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log.Warn("release partitions end, query coordinator don't have the log of", zap.Int64("collectionID", collectionID))
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return status, nil
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}
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if len(partitionIDs) == 0 {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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err := errors.New("partitionIDs are empty")
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status.Reason = err.Error()
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log.Debug("releasePartitionsRequest completed", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", req.CollectionID))
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return status, err
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}
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toReleasedPartitions := make([]UniqueID, 0)
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for _, id := range partitionIDs {
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hasPartition := qc.meta.hasPartition(collectionID, id)
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if hasPartition {
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toReleasedPartitions = append(toReleasedPartitions, id)
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}
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}
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if len(toReleasedPartitions) == 0 {
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log.Warn("release partitions end, query coordinator don't have the log of", zap.Int64s("partitionIDs", partitionIDs))
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return status, nil
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}
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req.PartitionIDs = toReleasedPartitions
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baseTask := newBaseTask(qc.loopCtx, querypb.TriggerCondition_grpcRequest)
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releasePartitionTask := &releasePartitionTask{
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baseTask: baseTask,
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ReleasePartitionsRequest: req,
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cluster: qc.cluster,
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}
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err := qc.scheduler.Enqueue(releasePartitionTask)
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if err != nil {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = err.Error()
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return status, err
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}
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err = releasePartitionTask.waitToFinish()
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if err != nil {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = err.Error()
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return status, err
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}
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log.Debug("ReleasePartitionRequest completed", zap.String("role", Params.RoleName), zap.Int64("msgID", req.Base.MsgID), zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", partitionIDs))
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//qc.MetaReplica.printMeta()
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//qc.cluster.printMeta()
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return status, nil
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}
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// CreateQueryChannel assigns unique querychannel and resultchannel to the specified collecion
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|
func (qc *QueryCoord) CreateQueryChannel(ctx context.Context, req *querypb.CreateQueryChannelRequest) (*querypb.CreateQueryChannelResponse, error) {
|
|
status := &commonpb.Status{
|
|
ErrorCode: commonpb.ErrorCode_Success,
|
|
}
|
|
if qc.stateCode.Load() != internalpb.StateCode_Healthy {
|
|
status.ErrorCode = commonpb.ErrorCode_UnexpectedError
|
|
err := errors.New("query coordinator is not healthy")
|
|
status.Reason = err.Error()
|
|
log.Debug("createQueryChannel end with query coordinator not healthy")
|
|
return &querypb.CreateQueryChannelResponse{
|
|
Status: status,
|
|
}, err
|
|
}
|
|
|
|
collectionID := req.CollectionID
|
|
info, err := qc.meta.getQueryChannelInfoByID(collectionID)
|
|
if err != nil {
|
|
status.ErrorCode = commonpb.ErrorCode_UnexpectedError
|
|
status.Reason = err.Error()
|
|
log.Debug("createQueryChannel end with error")
|
|
return &querypb.CreateQueryChannelResponse{
|
|
Status: status,
|
|
}, err
|
|
}
|
|
|
|
return &querypb.CreateQueryChannelResponse{
|
|
Status: status,
|
|
RequestChannel: info.QueryChannelID,
|
|
ResultChannel: info.QueryResultChannelID,
|
|
}, nil
|
|
}
|
|
|
|
// GetPartitionStates returns state of the partition, including notExist, notPresent, onDisk, partitionInMemory, inMemory, partitionInGPU, InGPU
|
|
func (qc *QueryCoord) GetPartitionStates(ctx context.Context, req *querypb.GetPartitionStatesRequest) (*querypb.GetPartitionStatesResponse, error) {
|
|
status := &commonpb.Status{
|
|
ErrorCode: commonpb.ErrorCode_Success,
|
|
}
|
|
if qc.stateCode.Load() != internalpb.StateCode_Healthy {
|
|
status.ErrorCode = commonpb.ErrorCode_UnexpectedError
|
|
err := errors.New("query coordinator is not healthy")
|
|
status.Reason = err.Error()
|
|
log.Debug("getPartitionStates end with query coordinator not healthy")
|
|
return &querypb.GetPartitionStatesResponse{
|
|
Status: status,
|
|
}, err
|
|
}
|
|
|
|
partitionIDs := req.PartitionIDs
|
|
partitionStates := make([]*querypb.PartitionStates, 0)
|
|
for _, partitionID := range partitionIDs {
|
|
res, err := qc.meta.getPartitionStatesByID(req.CollectionID, partitionID)
|
|
if err != nil {
|
|
status.ErrorCode = commonpb.ErrorCode_UnexpectedError
|
|
status.Reason = err.Error()
|
|
return &querypb.GetPartitionStatesResponse{
|
|
Status: status,
|
|
}, err
|
|
}
|
|
partitionState := &querypb.PartitionStates{
|
|
PartitionID: partitionID,
|
|
State: res.State,
|
|
}
|
|
partitionStates = append(partitionStates, partitionState)
|
|
}
|
|
|
|
return &querypb.GetPartitionStatesResponse{
|
|
Status: status,
|
|
PartitionDescriptions: partitionStates,
|
|
}, nil
|
|
}
|
|
|
|
// GetSegmentInfo returns information of all the segments on queryNodes, and the information includes memSize, numRow, indexName, indexID ...
|
|
func (qc *QueryCoord) GetSegmentInfo(ctx context.Context, req *querypb.GetSegmentInfoRequest) (*querypb.GetSegmentInfoResponse, error) {
|
|
status := &commonpb.Status{
|
|
ErrorCode: commonpb.ErrorCode_Success,
|
|
}
|
|
if qc.stateCode.Load() != internalpb.StateCode_Healthy {
|
|
status.ErrorCode = commonpb.ErrorCode_UnexpectedError
|
|
err := errors.New("query coordinator is not healthy")
|
|
status.Reason = err.Error()
|
|
log.Debug("getSegmentInfo end with query coordinator not healthy")
|
|
return &querypb.GetSegmentInfoResponse{
|
|
Status: status,
|
|
}, err
|
|
}
|
|
|
|
totalMemSize := int64(0)
|
|
totalNumRows := int64(0)
|
|
//TODO::get segment infos from MetaReplica
|
|
//segmentIDs := req.SegmentIDs
|
|
//segmentInfos, err := qs.MetaReplica.getSegmentInfos(segmentIDs)
|
|
segmentInfos, err := qc.cluster.getSegmentInfo(ctx, req)
|
|
if err != nil {
|
|
status.ErrorCode = commonpb.ErrorCode_UnexpectedError
|
|
status.Reason = err.Error()
|
|
return &querypb.GetSegmentInfoResponse{
|
|
Status: status,
|
|
}, err
|
|
}
|
|
for _, info := range segmentInfos {
|
|
totalNumRows += info.NumRows
|
|
totalMemSize += info.MemSize
|
|
}
|
|
log.Debug("getSegmentInfo", zap.Int64("num rows", totalNumRows), zap.Int64("memory size", totalMemSize))
|
|
return &querypb.GetSegmentInfoResponse{
|
|
Status: status,
|
|
Infos: segmentInfos,
|
|
}, nil
|
|
}
|
|
|
|
// LoadBalance would do a load balancing operation between query nodes
|
|
func (qc *QueryCoord) LoadBalance(ctx context.Context, req *querypb.LoadBalanceRequest) (*commonpb.Status, error) {
|
|
log.Debug("LoadBalanceRequest received",
|
|
zap.String("role", Params.RoleName),
|
|
zap.Int64("msgID", req.Base.MsgID),
|
|
zap.Any("req", req),
|
|
)
|
|
status := &commonpb.Status{
|
|
ErrorCode: commonpb.ErrorCode_Success,
|
|
}
|
|
if qc.stateCode.Load() != internalpb.StateCode_Healthy {
|
|
status.ErrorCode = commonpb.ErrorCode_UnexpectedError
|
|
err := errors.New("query coordinator is not healthy")
|
|
status.Reason = err.Error()
|
|
log.Debug("LoadBalance failed", zap.Error(err))
|
|
return status, nil
|
|
}
|
|
|
|
baseTask := newBaseTask(qc.loopCtx, querypb.TriggerCondition_loadBalance)
|
|
loadBalanceTask := &loadBalanceTask{
|
|
baseTask: baseTask,
|
|
LoadBalanceRequest: req,
|
|
rootCoord: qc.rootCoordClient,
|
|
dataCoord: qc.dataCoordClient,
|
|
indexCoord: qc.indexCoordClient,
|
|
cluster: qc.cluster,
|
|
meta: qc.meta,
|
|
}
|
|
err := qc.scheduler.Enqueue(loadBalanceTask)
|
|
if err != nil {
|
|
status.ErrorCode = commonpb.ErrorCode_UnexpectedError
|
|
status.Reason = err.Error()
|
|
return status, nil
|
|
}
|
|
|
|
err = loadBalanceTask.waitToFinish()
|
|
if err != nil {
|
|
status.ErrorCode = commonpb.ErrorCode_UnexpectedError
|
|
status.Reason = err.Error()
|
|
return status, err
|
|
}
|
|
log.Debug("LoadBalanceRequest completed",
|
|
zap.String("role", Params.RoleName),
|
|
zap.Int64("msgID", req.Base.MsgID),
|
|
zap.Any("req", req),
|
|
)
|
|
return status, nil
|
|
}
|
|
|
|
func (qc *QueryCoord) isHealthy() bool {
|
|
code := qc.stateCode.Load().(internalpb.StateCode)
|
|
return code == internalpb.StateCode_Healthy
|
|
}
|
|
|
|
// GetMetrics returns all the queryCoord's metrics
|
|
func (qc *QueryCoord) GetMetrics(ctx context.Context, req *milvuspb.GetMetricsRequest) (*milvuspb.GetMetricsResponse, error) {
|
|
log.Debug("QueryCoord.GetMetrics",
|
|
zap.Int64("node_id", Params.QueryCoordID),
|
|
zap.String("req", req.Request))
|
|
|
|
if !qc.isHealthy() {
|
|
log.Warn("QueryCoord.GetMetrics failed",
|
|
zap.Int64("node_id", Params.QueryCoordID),
|
|
zap.String("req", req.Request),
|
|
zap.Error(errQueryCoordIsUnhealthy(Params.QueryCoordID)))
|
|
|
|
return &milvuspb.GetMetricsResponse{
|
|
Status: &commonpb.Status{
|
|
ErrorCode: commonpb.ErrorCode_UnexpectedError,
|
|
Reason: msgQueryCoordIsUnhealthy(Params.QueryCoordID),
|
|
},
|
|
Response: "",
|
|
}, nil
|
|
}
|
|
|
|
metricType, err := metricsinfo.ParseMetricType(req.Request)
|
|
if err != nil {
|
|
log.Warn("QueryCoord.GetMetrics failed to parse metric type",
|
|
zap.Int64("node_id", Params.QueryCoordID),
|
|
zap.String("req", req.Request),
|
|
zap.Error(err))
|
|
|
|
return &milvuspb.GetMetricsResponse{
|
|
Status: &commonpb.Status{
|
|
ErrorCode: commonpb.ErrorCode_UnexpectedError,
|
|
Reason: err.Error(),
|
|
},
|
|
Response: "",
|
|
}, err
|
|
}
|
|
|
|
log.Debug("QueryCoord.GetMetrics",
|
|
zap.String("metric_type", metricType))
|
|
|
|
if metricType == metricsinfo.SystemInfoMetrics {
|
|
ret, err := qc.metricsCacheManager.GetSystemInfoMetrics()
|
|
if err == nil && ret != nil {
|
|
return ret, nil
|
|
}
|
|
log.Debug("failed to get system info metrics from cache, recompute instead",
|
|
zap.Error(err))
|
|
|
|
metrics, err := getSystemInfoMetrics(ctx, req, qc)
|
|
|
|
log.Debug("QueryCoord.GetMetrics",
|
|
zap.Int64("node_id", Params.QueryCoordID),
|
|
zap.String("req", req.Request),
|
|
zap.String("metric_type", metricType),
|
|
zap.Any("metrics", metrics), // TODO(dragondriver): necessary? may be very large
|
|
zap.Error(err))
|
|
|
|
qc.metricsCacheManager.UpdateSystemInfoMetrics(metrics)
|
|
|
|
return metrics, err
|
|
}
|
|
err = errors.New(metricsinfo.MsgUnimplementedMetric)
|
|
log.Debug("QueryCoord.GetMetrics failed",
|
|
zap.Int64("node_id", Params.QueryCoordID),
|
|
zap.String("req", req.Request),
|
|
zap.String("metric_type", metricType),
|
|
zap.Error(err))
|
|
|
|
return &milvuspb.GetMetricsResponse{
|
|
Status: &commonpb.Status{
|
|
ErrorCode: commonpb.ErrorCode_UnexpectedError,
|
|
Reason: err.Error(),
|
|
},
|
|
Response: "",
|
|
}, err
|
|
}
|