mirror of https://github.com/milvus-io/milvus.git
75 lines
2.0 KiB
Go
75 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 metacache
|
||
|
|
|
||
|
|
import (
|
||
|
|
"sync"
|
||
|
|
|
||
|
|
"github.com/pingcap/log"
|
||
|
|
"go.uber.org/zap"
|
||
|
|
|
||
|
|
"github.com/milvus-io/milvus/internal/storage"
|
||
|
|
)
|
||
|
|
|
||
|
|
type SegmentBM25Stats struct {
|
||
|
|
mut sync.RWMutex
|
||
|
|
stats map[int64]*storage.BM25Stats
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *SegmentBM25Stats) Merge(stats map[int64]*storage.BM25Stats) {
|
||
|
|
s.mut.Lock()
|
||
|
|
defer s.mut.Unlock()
|
||
|
|
|
||
|
|
for fieldID, current := range stats {
|
||
|
|
if history, ok := s.stats[fieldID]; !ok {
|
||
|
|
s.stats[fieldID] = current.Clone()
|
||
|
|
} else {
|
||
|
|
history.Merge(current)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *SegmentBM25Stats) Serialize() (map[int64][]byte, map[int64]int64, error) {
|
||
|
|
s.mut.Lock()
|
||
|
|
defer s.mut.Unlock()
|
||
|
|
|
||
|
|
result := make(map[int64][]byte)
|
||
|
|
numRow := make(map[int64]int64)
|
||
|
|
for fieldID, stats := range s.stats {
|
||
|
|
bytes, err := stats.Serialize()
|
||
|
|
if err != nil {
|
||
|
|
log.Warn("serialize history bm25 stats failed", zap.Int64("fieldID", fieldID))
|
||
|
|
return nil, nil, err
|
||
|
|
}
|
||
|
|
result[fieldID] = bytes
|
||
|
|
numRow[fieldID] = stats.NumRow()
|
||
|
|
}
|
||
|
|
return result, numRow, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewEmptySegmentBM25Stats() *SegmentBM25Stats {
|
||
|
|
return &SegmentBM25Stats{
|
||
|
|
stats: make(map[int64]*storage.BM25Stats),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewSegmentBM25Stats(stats map[int64]*storage.BM25Stats) *SegmentBM25Stats {
|
||
|
|
return &SegmentBM25Stats{
|
||
|
|
stats: stats,
|
||
|
|
}
|
||
|
|
}
|