milvus/internal/querycoordv2/meta/dist_manager.go

63 lines
2.0 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package meta
import (
"go.uber.org/zap"
"github.com/milvus-io/milvus/internal/json"
"github.com/milvus-io/milvus/pkg/v2/log"
"github.com/milvus-io/milvus/pkg/v2/util/metricsinfo"
)
type DistributionManager struct {
*SegmentDistManager
*ChannelDistManager
*LeaderViewManager
}
func NewDistributionManager() *DistributionManager {
return &DistributionManager{
SegmentDistManager: NewSegmentDistManager(),
ChannelDistManager: NewChannelDistManager(),
LeaderViewManager: NewLeaderViewManager(),
}
}
// GetDistributionJSON returns a JSON representation of the current distribution state.
// It includes segments, DM channels, and leader views.
// If there are no segments, channels, or leader views, it returns an empty string.
// In case of an error during JSON marshaling, it returns the error.
func (dm *DistributionManager) GetDistributionJSON(collectionID int64) string {
segments := dm.GetSegmentDist(collectionID)
channels := dm.GetChannelDist(collectionID)
leaderView := dm.GetLeaderView(collectionID)
dist := &metricsinfo.QueryCoordDist{
Segments: segments,
DMChannels: channels,
LeaderViews: leaderView,
}
v, err := json.Marshal(dist)
if err != nil {
log.Warn("failed to marshal dist", zap.Error(err))
return ""
}
return string(v)
}