mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-02 20:09:57 +08:00
587 lines
18 KiB
Go
587 lines
18 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "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 distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package querynode
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import (
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"context"
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"fmt"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/common"
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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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queryPb "github.com/milvus-io/milvus/internal/proto/querypb"
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"github.com/milvus-io/milvus/internal/util/metricsinfo"
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"github.com/milvus-io/milvus/internal/util/typeutil"
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)
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// GetComponentStates return information about whether the node is healthy
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func (node *QueryNode) GetComponentStates(ctx context.Context) (*internalpb.ComponentStates, error) {
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stats := &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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}
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code, ok := node.stateCode.Load().(internalpb.StateCode)
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if !ok {
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errMsg := "unexpected error in type assertion"
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stats.Status = &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_UnexpectedError,
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Reason: errMsg,
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}
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return stats, nil
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}
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nodeID := common.NotRegisteredID
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if node.session != nil && node.session.Registered() {
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nodeID = node.session.ServerID
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}
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info := &internalpb.ComponentInfo{
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NodeID: nodeID,
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Role: typeutil.QueryNodeRole,
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StateCode: code,
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}
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stats.State = info
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return stats, 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 will be sent by query nodes
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func (node *QueryNode) 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.QueryTimeTickChannelName,
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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 (node *QueryNode) 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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// AddQueryChannel watch queryChannel of the collection to receive query message
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func (node *QueryNode) AddQueryChannel(ctx context.Context, in *queryPb.AddQueryChannelRequest) (*commonpb.Status, error) {
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code := node.stateCode.Load().(internalpb.StateCode)
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if code != internalpb.StateCode_Healthy {
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err := fmt.Errorf("query node %d is not ready", Params.QueryNodeID)
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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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return status, nil
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}
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dct := &addQueryChannelTask{
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baseTask: baseTask{
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ctx: ctx,
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done: make(chan error),
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},
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req: in,
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node: node,
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}
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err := node.scheduler.queue.Enqueue(dct)
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if err != nil {
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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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log.Error(err.Error())
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return status, nil
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}
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log.Debug("addQueryChannelTask Enqueue done", zap.Any("collectionID", in.CollectionID))
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waitFunc := func() (*commonpb.Status, error) {
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err = dct.WaitToFinish()
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if err != nil {
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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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log.Error(err.Error())
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return status, nil
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}
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log.Debug("addQueryChannelTask WaitToFinish done", zap.Any("collectionID", in.CollectionID))
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return &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}, nil
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}
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return waitFunc()
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}
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// RemoveQueryChannel remove queryChannel of the collection to stop receiving query message
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func (node *QueryNode) RemoveQueryChannel(ctx context.Context, in *queryPb.RemoveQueryChannelRequest) (*commonpb.Status, error) {
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// if node.searchService == nil || node.searchService.searchMsgStream == nil {
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// errMsg := "null search service or null search result message stream"
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// status := &commonpb.Status{
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// ErrorCode: commonpb.ErrorCode_UnexpectedError,
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// Reason: errMsg,
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// }
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// return status, errors.New(errMsg)
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// }
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// searchStream, ok := node.searchService.searchMsgStream.(*pulsarms.PulsarMsgStream)
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// if !ok {
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// errMsg := "type assertion failed for search message stream"
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// status := &commonpb.Status{
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// ErrorCode: commonpb.ErrorCode_UnexpectedError,
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// Reason: errMsg,
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// }
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// return status, errors.New(errMsg)
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// }
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// resultStream, ok := node.searchService.searchResultMsgStream.(*pulsarms.PulsarMsgStream)
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// if !ok {
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// errMsg := "type assertion failed for search result message stream"
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// status := &commonpb.Status{
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// ErrorCode: commonpb.ErrorCode_UnexpectedError,
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// Reason: errMsg,
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// }
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// return status, errors.New(errMsg)
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// }
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// // remove request channel
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// consumeChannels := []string{in.RequestChannelID}
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// consumeSubName := Params.MsgChannelSubName
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// // TODO: searchStream.RemovePulsarConsumers(producerChannels)
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// searchStream.AsConsumer(consumeChannels, consumeSubName)
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// // remove result channel
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// producerChannels := []string{in.ResultChannelID}
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// // TODO: resultStream.RemovePulsarProducer(producerChannels)
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// resultStream.AsProducer(producerChannels)
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status := &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}
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return status, nil
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}
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// WatchDmChannels create consumers on dmChannels to reveive Incremental data，which is the important part of real-time query
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func (node *QueryNode) WatchDmChannels(ctx context.Context, in *queryPb.WatchDmChannelsRequest) (*commonpb.Status, error) {
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code := node.stateCode.Load().(internalpb.StateCode)
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if code != internalpb.StateCode_Healthy {
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err := fmt.Errorf("query node %d is not ready", Params.QueryNodeID)
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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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return status, nil
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}
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dct := &watchDmChannelsTask{
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baseTask: baseTask{
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ctx: ctx,
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done: make(chan error),
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},
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req: in,
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node: node,
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}
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err := node.scheduler.queue.Enqueue(dct)
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if err != nil {
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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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log.Error(err.Error())
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return status, nil
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}
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log.Debug("watchDmChannelsTask Enqueue done", zap.Any("collectionID", in.CollectionID))
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waitFunc := func() (*commonpb.Status, error) {
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err = dct.WaitToFinish()
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if err != nil {
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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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log.Error(err.Error())
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return status, nil
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}
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log.Debug("watchDmChannelsTask WaitToFinish done", zap.Any("collectionID", in.CollectionID))
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return &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}, nil
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}
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return waitFunc()
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}
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// WatchDeltaChannels create consumers on dmChannels to reveive Incremental data，which is the important part of real-time query
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func (node *QueryNode) WatchDeltaChannels(ctx context.Context, in *queryPb.WatchDeltaChannelsRequest) (*commonpb.Status, error) {
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code := node.stateCode.Load().(internalpb.StateCode)
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if code != internalpb.StateCode_Healthy {
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err := fmt.Errorf("query node %d is not ready", Params.QueryNodeID)
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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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return status, nil
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}
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dct := &watchDeltaChannelsTask{
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baseTask: baseTask{
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ctx: ctx,
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done: make(chan error),
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},
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req: in,
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node: node,
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}
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err := node.scheduler.queue.Enqueue(dct)
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if err != nil {
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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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log.Error(err.Error())
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return status, nil
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}
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log.Debug("watchDeltaChannelsTask Enqueue done", zap.Any("collectionID", in.CollectionID))
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waitFunc := func() (*commonpb.Status, error) {
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err = dct.WaitToFinish()
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if err != nil {
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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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log.Error(err.Error())
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return status, nil
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}
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log.Debug("watchDeltaChannelsTask WaitToFinish done", zap.Any("collectionID", in.CollectionID))
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return &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}, nil
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}
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return waitFunc()
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}
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// LoadSegments load historical data into query node, historical data can be vector data or index
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func (node *QueryNode) LoadSegments(ctx context.Context, in *queryPb.LoadSegmentsRequest) (*commonpb.Status, error) {
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code := node.stateCode.Load().(internalpb.StateCode)
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if code != internalpb.StateCode_Healthy {
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err := fmt.Errorf("query node %d is not ready", Params.QueryNodeID)
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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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return status, nil
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}
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dct := &loadSegmentsTask{
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baseTask: baseTask{
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ctx: ctx,
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done: make(chan error),
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},
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req: in,
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node: node,
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}
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err := node.scheduler.queue.Enqueue(dct)
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if err != nil {
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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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log.Error(err.Error())
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return status, nil
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}
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segmentIDs := make([]UniqueID, 0)
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for _, info := range in.Infos {
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segmentIDs = append(segmentIDs, info.SegmentID)
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}
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log.Debug("loadSegmentsTask Enqueue done", zap.Int64s("segmentIDs", segmentIDs))
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waitFunc := func() (*commonpb.Status, error) {
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err = dct.WaitToFinish()
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if err != nil {
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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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log.Error(err.Error())
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return status, nil
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}
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log.Debug("loadSegmentsTask WaitToFinish done", zap.Int64s("segmentIDs", segmentIDs))
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return &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}, nil
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}
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return waitFunc()
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}
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// ReleaseCollection clears all data related to this collecion on the querynode
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func (node *QueryNode) ReleaseCollection(ctx context.Context, in *queryPb.ReleaseCollectionRequest) (*commonpb.Status, error) {
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code := node.stateCode.Load().(internalpb.StateCode)
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if code != internalpb.StateCode_Healthy {
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err := fmt.Errorf("query node %d is not ready", Params.QueryNodeID)
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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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return status, nil
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}
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dct := &releaseCollectionTask{
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baseTask: baseTask{
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ctx: ctx,
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done: make(chan error),
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},
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req: in,
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node: node,
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}
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err := node.scheduler.queue.Enqueue(dct)
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if err != nil {
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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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log.Error(err.Error())
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return status, nil
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}
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log.Debug("releaseCollectionTask Enqueue done", zap.Any("collectionID", in.CollectionID))
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func() {
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err = dct.WaitToFinish()
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if err != nil {
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log.Error(err.Error())
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return
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}
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log.Debug("releaseCollectionTask WaitToFinish done", zap.Any("collectionID", in.CollectionID))
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}()
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status := &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}
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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 (node *QueryNode) ReleasePartitions(ctx context.Context, in *queryPb.ReleasePartitionsRequest) (*commonpb.Status, error) {
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code := node.stateCode.Load().(internalpb.StateCode)
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if code != internalpb.StateCode_Healthy {
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err := fmt.Errorf("query node %d is not ready", Params.QueryNodeID)
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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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return status, nil
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}
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dct := &releasePartitionsTask{
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baseTask: baseTask{
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ctx: ctx,
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done: make(chan error),
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},
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req: in,
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node: node,
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}
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err := node.scheduler.queue.Enqueue(dct)
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if err != nil {
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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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log.Error(err.Error())
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return status, nil
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}
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log.Debug("releasePartitionsTask Enqueue done", zap.Any("collectionID", in.CollectionID))
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func() {
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err = dct.WaitToFinish()
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if err != nil {
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log.Error(err.Error())
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return
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}
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log.Debug("releasePartitionsTask WaitToFinish done", zap.Any("collectionID", in.CollectionID))
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}()
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status := &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}
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return status, nil
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}
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// ReleaseSegments remove the specified segments from query node according segmentIDs, partitionIDs, and collectionID
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func (node *QueryNode) ReleaseSegments(ctx context.Context, in *queryPb.ReleaseSegmentsRequest) (*commonpb.Status, error) {
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code := node.stateCode.Load().(internalpb.StateCode)
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if code != internalpb.StateCode_Healthy {
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err := fmt.Errorf("query node %d is not ready", Params.QueryNodeID)
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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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return status, nil
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}
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status := &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_Success,
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}
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for _, id := range in.SegmentIDs {
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err := node.historical.replica.removeSegment(id)
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if err != nil {
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// not return, try to release all segments
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = err.Error()
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}
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err = node.streaming.replica.removeSegment(id)
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if err != nil {
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// not return, try to release all segments
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = err.Error()
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}
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}
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return status, nil
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}
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// GetSegmentInfo returns segment information of the collection on the queryNode, and the information includes memSize, numRow, indexName, indexID ...
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func (node *QueryNode) GetSegmentInfo(ctx context.Context, in *queryPb.GetSegmentInfoRequest) (*queryPb.GetSegmentInfoResponse, error) {
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code := node.stateCode.Load().(internalpb.StateCode)
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if code != internalpb.StateCode_Healthy {
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err := fmt.Errorf("query node %d is not ready", Params.QueryNodeID)
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res := &queryPb.GetSegmentInfoResponse{
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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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}
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return res, nil
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}
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infos := make([]*queryPb.SegmentInfo, 0)
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// get info from historical
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// node.historical.replica.printReplica()
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historicalSegmentInfos, err := node.historical.replica.getSegmentInfosByColID(in.CollectionID)
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if err != nil {
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log.Debug("GetSegmentInfo: get historical segmentInfo failed", zap.Int64("collectionID", in.CollectionID), zap.Error(err))
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res := &queryPb.GetSegmentInfoResponse{
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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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}
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return res, nil
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}
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infos = append(infos, historicalSegmentInfos...)
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// get info from streaming
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// node.streaming.replica.printReplica()
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streamingSegmentInfos, err := node.streaming.replica.getSegmentInfosByColID(in.CollectionID)
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if err != nil {
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log.Debug("GetSegmentInfo: get streaming segmentInfo failed", zap.Int64("collectionID", in.CollectionID), zap.Error(err))
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res := &queryPb.GetSegmentInfoResponse{
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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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}
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return res, nil
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}
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infos = append(infos, streamingSegmentInfos...)
|
||
// log.Debug("GetSegmentInfo: get segment info from query node", zap.Int64("nodeID", node.session.ServerID), zap.Any("segment infos", infos))
|
||
|
||
return &queryPb.GetSegmentInfoResponse{
|
||
Status: &commonpb.Status{
|
||
ErrorCode: commonpb.ErrorCode_Success,
|
||
},
|
||
Infos: infos,
|
||
}, nil
|
||
}
|
||
|
||
func (node *QueryNode) isHealthy() bool {
|
||
code := node.stateCode.Load().(internalpb.StateCode)
|
||
return code == internalpb.StateCode_Healthy
|
||
}
|
||
|
||
// GetMetrics return system infos of the query node, such as total memory, memory uasge, cpu usage ...
|
||
// TODO(dragondriver): cache the Metrics and set a retention to the cache
|
||
func (node *QueryNode) GetMetrics(ctx context.Context, req *milvuspb.GetMetricsRequest) (*milvuspb.GetMetricsResponse, error) {
|
||
log.Debug("QueryNode.GetMetrics",
|
||
zap.Int64("node_id", Params.QueryNodeID),
|
||
zap.String("req", req.Request))
|
||
|
||
if !node.isHealthy() {
|
||
log.Warn("QueryNode.GetMetrics failed",
|
||
zap.Int64("node_id", Params.QueryNodeID),
|
||
zap.String("req", req.Request),
|
||
zap.Error(errQueryNodeIsUnhealthy(Params.QueryNodeID)))
|
||
|
||
return &milvuspb.GetMetricsResponse{
|
||
Status: &commonpb.Status{
|
||
ErrorCode: commonpb.ErrorCode_UnexpectedError,
|
||
Reason: msgQueryNodeIsUnhealthy(Params.QueryNodeID),
|
||
},
|
||
Response: "",
|
||
}, nil
|
||
}
|
||
|
||
metricType, err := metricsinfo.ParseMetricType(req.Request)
|
||
if err != nil {
|
||
log.Warn("QueryNode.GetMetrics failed to parse metric type",
|
||
zap.Int64("node_id", Params.QueryNodeID),
|
||
zap.String("req", req.Request),
|
||
zap.Error(err))
|
||
|
||
return &milvuspb.GetMetricsResponse{
|
||
Status: &commonpb.Status{
|
||
ErrorCode: commonpb.ErrorCode_UnexpectedError,
|
||
Reason: err.Error(),
|
||
},
|
||
Response: "",
|
||
}, nil
|
||
}
|
||
|
||
log.Debug("QueryNode.GetMetrics",
|
||
zap.String("metric_type", metricType))
|
||
|
||
if metricType == metricsinfo.SystemInfoMetrics {
|
||
metrics, err := getSystemInfoMetrics(ctx, req, node)
|
||
|
||
log.Debug("QueryNode.GetMetrics",
|
||
zap.Int64("node_id", Params.QueryNodeID),
|
||
zap.String("req", req.Request),
|
||
zap.String("metric_type", metricType),
|
||
zap.Any("metrics", metrics), // TODO(dragondriver): necessary? may be very large
|
||
zap.Error(err))
|
||
|
||
return metrics, nil
|
||
}
|
||
|
||
log.Debug("QueryNode.GetMetrics failed, request metric type is not implemented yet",
|
||
zap.Int64("node_id", Params.QueryNodeID),
|
||
zap.String("req", req.Request),
|
||
zap.String("metric_type", metricType))
|
||
|
||
return &milvuspb.GetMetricsResponse{
|
||
Status: &commonpb.Status{
|
||
ErrorCode: commonpb.ErrorCode_UnexpectedError,
|
||
Reason: metricsinfo.MsgUnimplementedMetric,
|
||
},
|
||
Response: "",
|
||
}, nil
|
||
}
|