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@@ -3,35 +3,34 @@ package database
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import (
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"gordenko.dev/dima/qb"
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"gordenko.dev/dima/qb/atree"
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"gordenko.dev/dima/qb/bin"
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"gordenko.dev/dima/qb/txlog"
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)
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// METRIC
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type IndexRec struct {
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Since uint32
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PageNo uint32
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type IndexLevelTail struct {
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Payload []byte
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RecordsCount int
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}
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type _metric struct {
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MetricType qb.MetricType
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FracDigits byte
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LastPageNo uint32
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SinceValue float64
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Since uint32
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UntilValue float64
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Until uint32
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Timestamps qb.TimestampCompressor
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Values qb.ValueCompressor
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// fix - add index levels
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XLock bool
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RLocks int
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WaitQueue []any
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//IndexLevels [][]IndexRec // root - last element
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IndexLevels [][]byte // root - last element
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MetricType qb.MetricType
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FracDigits byte
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LastPageNo uint32
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SinceValue float64
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Since uint32
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UntilValue float64
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Until uint32
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Timestamps qb.TimestampCompressor
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Values qb.ValueCompressor
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XLock bool
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RLocks int
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WaitQueue []any
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IndexLevelTails []IndexLevelTail // root - last element
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}
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//IndexLevels [][]IndexRec // root - last element
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func (s *_metric) ReinitBy(timestamp uint32, value float64) {
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s.Timestamps.Renew()
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s.Values.Renew()
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@@ -74,8 +73,8 @@ func (s *_metric) StartAppendMeasures(req tryAppendMeasuresReq, sendToStorage fu
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timestamps = s.Timestamps
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values = s.Values
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indexLevels []*atree.IndexLevel
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dataPages []*atree.DataPage
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indexLevels []atree.IndexLevelTail
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dataPages []atree.DataPayload
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//written int
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//resultCode byte
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@@ -135,12 +134,10 @@ func (s *_metric) StartAppendMeasures(req tryAppendMeasuresReq, sendToStorage fu
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} else {
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// сторінка заповнена
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// prevPageNo - виставляю в txlog, коли забираю номер сторінки із freeList або генерую новий
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dataPages = append(dataPages, &atree.DataPage{
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PrevPageNo: 0, // ?
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LowerTimestamp: s.Since,
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Timestamps: timestamps.Chunks(),
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dataPages = append(dataPages, atree.DataPayload{
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Since: s.Since,
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Content: nil,
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TimestampsSize: timestamps.Size(),
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Values: values.Chunks(),
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ValuesSize: values.Size(),
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})
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@@ -163,28 +160,31 @@ func (s *_metric) StartAppendMeasures(req tryAppendMeasuresReq, sendToStorage fu
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if len(dataPages) > 0 {
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// пишу в txlog довгим шляхом через redo файл і запис в data файл
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for _, unfilled := range s.IndexLevels {
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indexLevels = append(indexLevels, &atree.IndexLevel{
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Offset: len(unfilled),
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LowerTimestamp: bin.GetUint32(unfilled),
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Data: unfilled,
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for _, tail := range s.IndexLevelTails {
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indexLevels = append(indexLevels, atree.IndexLevelTail{
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Payload: tail.Payload,
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RecordsCount: tail.RecordsCount,
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})
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}
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sendToStorage(txlog.AppendedMeasures{
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MetricID: req.MetricID,
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LastPageNo: s.LastPageNo,
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TimestampsOffset: timestamps.Offset(), // state.Pos() з якої позиції дописувати дані на сторінку 0 (при відновленні)
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ValuesOffset: values.Offset(), // state.Pos()
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//Payload: s.payload, // fix - timestamps + values ? or timestamps and values (for WAL)
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IndexLevelTails: indexLevels,
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DataPages: dataPages,
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Timestamps: nil,
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Values: nil,
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//ResultCode: resultCode,
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//WrittenCount: wri,
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ResultCh: nil,
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})
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} else {
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// короткий шлях - запис лише в txlog
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}
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sendToStorage(txlog.AppendedMeasures{
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MetricID: req.MetricID,
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TimestampsOffset: timestamps.Offset(), // state.Pos() з якої позиції дописувати дані на сторінку 0 (при відновленні)
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ValuesOffset: values.Offset(), // state.Pos()
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Timestamps: timestamps.Chunks(),
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TimestampsSize: timestamps.Size(),
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Values: values.Chunks(),
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ValuesSize: values.Size(),
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IndexLevels: indexLevels,
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DataPages: dataPages,
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})
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}
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func (s *_metric) FinAppendMeasures(rec txlog.AppendMeasuresSummary) {
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