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compaction_view.go
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compaction_view.go
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package datacoord
import (
"fmt"
"github.com/samber/lo"
"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
"github.com/milvus-io/milvus/internal/proto/datapb"
)
type CompactionView interface {
GetGroupLabel() *CompactionGroupLabel
GetSegmentsView() []*SegmentView
Append(segments ...*SegmentView)
String() string
Trigger() (CompactionView, string)
ForceTrigger() (CompactionView, string)
}
type FullViews struct {
collections map[int64][]*SegmentView // collectionID
}
type SegmentViewSelector func(view *SegmentView) bool
func (v *FullViews) GetSegmentViewBy(collectionID UniqueID, selector SegmentViewSelector) []*SegmentView {
views, ok := v.collections[collectionID]
if !ok {
return nil
}
var ret []*SegmentView
for _, view := range views {
if selector == nil || selector(view) {
ret = append(ret, view.Clone())
}
}
return ret
}
type CompactionGroupLabel struct {
CollectionID UniqueID
PartitionID UniqueID
Channel string
}
func (label *CompactionGroupLabel) Key() string {
return fmt.Sprintf("%d-%s", label.PartitionID, label.Channel)
}
func (label *CompactionGroupLabel) IsMinGroup() bool {
return len(label.Channel) != 0 && label.PartitionID != 0 && label.CollectionID != 0
}
func (label *CompactionGroupLabel) Equal(other *CompactionGroupLabel) bool {
return other != nil &&
other.CollectionID == label.CollectionID &&
other.PartitionID == label.PartitionID &&
other.Channel == label.Channel
}
func (label *CompactionGroupLabel) String() string {
return fmt.Sprintf("coll=%d, part=%d, channel=%s", label.CollectionID, label.PartitionID, label.Channel)
}
type SegmentView struct {
ID UniqueID
label *CompactionGroupLabel
State commonpb.SegmentState
Level datapb.SegmentLevel
// positions
startPos *msgpb.MsgPosition
dmlPos *msgpb.MsgPosition
// size
Size float64
ExpireSize float64
DeltaSize float64
// file numbers
BinlogCount int
StatslogCount int
DeltalogCount int
}
func (s *SegmentView) Clone() *SegmentView {
return &SegmentView{
ID: s.ID,
label: s.label,
State: s.State,
Level: s.Level,
startPos: s.startPos,
dmlPos: s.dmlPos,
Size: s.Size,
ExpireSize: s.ExpireSize,
DeltaSize: s.DeltaSize,
BinlogCount: s.BinlogCount,
StatslogCount: s.StatslogCount,
DeltalogCount: s.DeltalogCount,
}
}
func GetViewsByInfo(segments ...*SegmentInfo) []*SegmentView {
return lo.Map(segments, func(segment *SegmentInfo, _ int) *SegmentView {
return &SegmentView{
ID: segment.ID,
label: &CompactionGroupLabel{
CollectionID: segment.CollectionID,
PartitionID: segment.PartitionID,
Channel: segment.GetInsertChannel(),
},
State: segment.GetState(),
Level: segment.GetLevel(),
// positions
startPos: segment.GetStartPosition(),
dmlPos: segment.GetDmlPosition(),
DeltaSize: GetBinlogSizeAsBytes(segment.GetDeltalogs()),
DeltalogCount: GetBinlogCount(segment.GetDeltalogs()),
Size: GetBinlogSizeAsBytes(segment.GetBinlogs()),
BinlogCount: GetBinlogCount(segment.GetBinlogs()),
StatslogCount: GetBinlogCount(segment.GetStatslogs()),
// TODO: set the following
// ExpireSize float64
}
})
}
func (v *SegmentView) Equal(other *SegmentView) bool {
return v.Size == other.Size &&
v.ExpireSize == other.ExpireSize &&
v.DeltaSize == other.DeltaSize &&
v.BinlogCount == other.BinlogCount &&
v.StatslogCount == other.StatslogCount &&
v.DeltalogCount == other.DeltalogCount
}
func (v *SegmentView) String() string {
return fmt.Sprintf("ID=%d, label=<%s>, state=%s, level=%s, binlogSize=%.2f, binlogCount=%d, deltaSize=%.2f, deltaCount=%d, expireSize=%.2f",
v.ID, v.label, v.State.String(), v.Level.String(), v.Size, v.BinlogCount, v.DeltaSize, v.DeltalogCount, v.ExpireSize)
}
func (v *SegmentView) LevelZeroString() string {
return fmt.Sprintf("<ID=%d, level=%s, deltaSize=%.2f, deltaCount=%d>",
v.ID, v.Level.String(), v.DeltaSize, v.DeltalogCount)
}
func GetBinlogCount(fieldBinlogs []*datapb.FieldBinlog) int {
var num int
for _, binlog := range fieldBinlogs {
num += len(binlog.GetBinlogs())
}
return num
}
func GetBinlogSizeAsBytes(deltaBinlogs []*datapb.FieldBinlog) float64 {
var deltaSize float64
for _, deltaLogs := range deltaBinlogs {
for _, l := range deltaLogs.GetBinlogs() {
deltaSize += float64(l.GetMemorySize())
}
}
return deltaSize
}