milvus/internal/storage/partition_stats.go
Chun Han ca7ef26e4b
fix: sync part stats task cannot be finished(#30376) (#34027)
related: #30376
also: refine log output for query_coord task by rephrasing action string

Signed-off-by: MrPresent-Han <chun.han@gmail.com>
Co-authored-by: MrPresent-Han <chun.han@gmail.com>
2024-06-24 10:16:02 +08:00

104 lines
2.7 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 storage
import (
"encoding/json"
"path"
"strconv"
)
type SegmentStats struct {
FieldStats []FieldStats `json:"fieldStats"`
NumRows int
}
func NewSegmentStats(fieldStats []FieldStats, rows int) *SegmentStats {
return &SegmentStats{
FieldStats: fieldStats,
NumRows: rows,
}
}
type PartitionStatsSnapshot struct {
SegmentStats map[UniqueID]SegmentStats `json:"segmentStats"`
Version int64
}
func NewPartitionStatsSnapshot() *PartitionStatsSnapshot {
return &PartitionStatsSnapshot{
SegmentStats: make(map[UniqueID]SegmentStats, 0),
}
}
func (ps *PartitionStatsSnapshot) GetVersion() int64 {
if ps == nil {
return 0
}
return ps.Version
}
func (ps *PartitionStatsSnapshot) SetVersion(v int64) {
ps.Version = v
}
func (ps *PartitionStatsSnapshot) UpdateSegmentStats(segmentID UniqueID, segmentStats SegmentStats) {
ps.SegmentStats[segmentID] = segmentStats
}
func DeserializePartitionsStatsSnapshot(data []byte) (*PartitionStatsSnapshot, error) {
var messageMap map[string]*json.RawMessage
err := json.Unmarshal(data, &messageMap)
if err != nil {
return nil, err
}
partitionStats := &PartitionStatsSnapshot{
SegmentStats: make(map[UniqueID]SegmentStats),
}
err = json.Unmarshal(*messageMap["segmentStats"], &partitionStats.SegmentStats)
if err != nil {
return nil, err
}
return partitionStats, nil
}
func SerializePartitionStatsSnapshot(partStats *PartitionStatsSnapshot) ([]byte, error) {
partData, err := json.Marshal(partStats)
if err != nil {
return nil, err
}
return partData, nil
}
func FindPartitionStatsMaxVersion(filePaths []string) (int64, string) {
maxVersion := int64(-1)
maxVersionFilePath := ""
for _, filePath := range filePaths {
versionStr := path.Base(filePath)
version, err := strconv.ParseInt(versionStr, 10, 64)
if err != nil {
continue
}
if version > maxVersion {
maxVersion = version
maxVersionFilePath = filePath
}
}
return maxVersion, maxVersionFilePath
}