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dima
2026-06-12 14:21:14 +00:00
parent 58db58a0a0
commit bf22e9a85e
7 changed files with 168 additions and 147 deletions
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239
database/metric.go
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@@ -61,9 +61,8 @@ func (s *_metric) DeleteMeasures() {
}
type CapturedState struct {
Pages []storage.DataPayload
TimeState qb.TimeDeltaCapturedState
ValueState qb.ValueDeltaCapturedState
LastTimestamp uint32
LastValue float64
}
// func (s *_metric) startAppendMeasures(req tryAppendMeasuresReq, sendToStorage func(storage.AppendedMeasures)) {
@@ -76,19 +75,24 @@ func (s *_metric) StartAppendMeasures(req tryAppendMeasuresReq, tmp []byte, send
values = s.values
// офсети на head сторінці
timestampsOffset int
valuesOffset int
timestampsOffset int
timestampsRewindOffset int
valuesOffset int
valuesRewindOffset int
headTimestamps []byte
headValues []byte
pages []storage.DataPayload
written int
resultCode byte
)
s.capturedState = &CapturedState{
//
LastTimestamp: timestamps.LastTimestamp(),
LastValue: s.lastValue,
//LastValue: values.LastValue(),
}
s.timestamps.CaptureState()
@@ -111,20 +115,25 @@ func (s *_metric) StartAppendMeasures(req tryAppendMeasuresReq, tmp []byte, send
if totalRequiredSpace <= len(s.buffer) {
// якщо на сторінці є місце
timestamps.Append(tReport.RewindOffset, tmp[:tReport.ChangeSize], measure.Timestamp)
values.Append(vReport.RewindOffset, tmp[7:7+vReport.ChangeSize], measure.Value, vReport.Delta)
if idx == 0 {
timestampsOffset = tReport.Offset
timestampsRewindOffset = tReport.RewindOffset
valuesOffset = vReport.Offset
valuesRewindOffset = vReport.RewindOffset
}
} else {
// сторінка заповнена
since := s.timestamps.ReplaceSinceWithUntil()
if len(s.capturedState.Pages) == 0 {
if len(pages) == 0 {
headTimestamps = timestamps.Tail(timestampsOffset)
headValues = values.Tail(valuesOffset)
}
s.capturedState.Pages = append(s.capturedState.Pages, storage.DataPayload{
pages = append(pages, storage.DataPayload{
Since: since,
Content: s.buffer,
TimestampsSize: timestamps.Size(),
@@ -139,10 +148,11 @@ func (s *_metric) StartAppendMeasures(req tryAppendMeasuresReq, tmp []byte, send
// renew
s.buffer = buf
timestamps.Append(tReport.RewindOffset, tmp[:tReport.ChangeSize], measure.Timestamp)
values.Append(vReport.RewindOffset, tmp[7:7+vReport.ChangeSize], measure.Value, vReport.Delta)
}
timestamps.Append(tReport.RewindOffset, tmp[:tReport.ChangeSize], measure.Timestamp)
values.Append(vReport.RewindOffset, tmp[7:7+vReport.ChangeSize], measure.Value, vReport.Delta)
//
s.lastValue = measure.Value
written++
@@ -159,26 +169,26 @@ func (s *_metric) StartAppendMeasures(req tryAppendMeasuresReq, tmp []byte, send
// виділити змінені байти.
// скопіювати. Причому можна скопіювати зрізи chunks
if len(s.capturedState.Pages) > 0 {
if len(pages) > 0 {
// пишу в storage довгим шляхом через redo файл і запис в data файл
sendToStorage(storage.AppendedMeasures{
sendToStorage(storage.AppendedMeasuresWithGrow{
MetricID: req.MetricID,
LastPageNo: s.lastPageNo,
TimestampsOffset: timestampsOffset,
TimestampsOffset: timestampsRewindOffset,
Timestamps: headTimestamps,
ValuesOffset: valuesOffset,
ValuesOffset: valuesRewindOffset,
Values: headValues,
IndexLevelTails: s.indexLevelTails,
DataPages: s.capturedState.Pages,
DataPages: pages,
TailTimestamps: timestamps.Tail(0), // payload
TailValues: values.Tail(0),
ResultCode: resultCode,
WrittenCount: written,
//ResultCh: req.ResultCh,
ResultCh: req.ResultCh,
})
} else {
// короткий шлях - запис лише в storage
sendToStorage(storage.AppendedMeasures{
sendToStorage(storage.AppendedMeasuresWithGrow{
MetricID: req.MetricID,
TimestampsOffset: timestampsOffset,
ValuesOffset: valuesOffset,
@@ -186,7 +196,7 @@ func (s *_metric) StartAppendMeasures(req tryAppendMeasuresReq, tmp []byte, send
Values: values.Tail(valuesOffset),
ResultCode: resultCode,
WrittenCount: written,
//ResultCh: req.ResultCh,
ResultCh: req.ResultCh,
})
}
@@ -207,74 +217,71 @@ func (s *_metric) FinAppendMeasures(rec storage.AppendMeasuresSummary) {
// READ
func (s *_metric) StartRangeScan(req tryRangeScanReq) {
// if s.Since == 0 {
// req.ResultCh <- rangeScanResult{
// ResultCode: QueryDone,
// }
// return
// }
if s.Since == 0 {
req.ResultCh <- rangeScanResult{
ResultCode: QueryDone,
}
return
}
// if req.Since > s.Until {
// req.ResultCh <- rangeScanResult{
// ResultCode: QueryDone,
// }
// return
// }
if req.Since > s.Until {
req.ResultCh <- rangeScanResult{
ResultCode: QueryDone,
}
return
}
// if req.Until < s.Since {
// if s.RootPageNo > 0 {
// req.ResultCh <- rangeScanResult{
// ResultCode: UntilNotFound,
// RootPageNo: s.RootPageNo,
// FracDigits: s.FracDigits,
// }
// s.RLocks++
// return
// } else {
// req.ResultCh <- rangeScanResult{
// ResultCode: QueryDone,
// }
// return
// }
// }
if req.Until < s.Since {
if s.RootPageNo > 0 {
req.ResultCh <- rangeScanResult{
ResultCode: UntilNotFound,
RootPageNo: s.RootPageNo,
FracDigits: s.FracDigits,
}
s.RLocks++
return
} else {
req.ResultCh <- rangeScanResult{
ResultCode: QueryDone,
}
return
}
}
// timestampDecompressor := s.Timestamps.CreateDecompressor()
// valueDecompressor := s.Values.CreateDecompressor(s.FracDigits)
timestampDecompressor := s.timestamps.CreateDecompressor()
valueDecompressor := s.values.CreateDecompressor(s.metricType, s.fracDigits)
// for {
// timestamp, done := timestampDecompressor.NextValue()
// if done {
// break
// }
// value, done := valueDecompressor.NextValue()
// if done {
// qb.Abort(qb.HasTimestampNoValueBug, ErrNoValueBug)
// }
// if timestamp <= req.Until {
// req.ResponseWriter.FeedNoSend(timestamp, value)
// if timestamp < req.Since {
// req.ResultCh <- rangeScanResult{
// ResultCode: QueryDone,
// }
// return
// }
// }
// }
// if s.LastPageNo > 0 {
// req.ResultCh <- rangeScanResult{
// ResultCode: UntilFound,
// LastPageNo: s.LastPageNo,
// FracDigits: s.FracDigits,
// }
// s.RLocks++
// } else {
// req.ResultCh <- rangeScanResult{
// ResultCode: QueryDone,
// }
// }
for {
timestamp, done := timestampDecompressor.NextValue()
if done {
break
}
value, done := valueDecompressor.NextValue()
if done {
qb.Abort(qb.HasTimestampNoValueBug, ErrNoValueBug)
}
if timestamp <= req.Until {
req.ResponseWriter.FeedNoSend(timestamp, value)
if timestamp < req.Since {
req.ResultCh <- rangeScanResult{
ResultCode: QueryDone,
}
return
}
}
}
if s.lastPageNo > 0 {
req.ResultCh <- rangeScanResult{
ResultCode: UntilFound,
LastPageNo: s.lastPageNo,
FracDigits: s.fracDigits,
}
s.RLocks++
} else {
req.ResultCh <- rangeScanResult{
ResultCode: QueryDone,
}
}
}
func (s *_metric) StartFullScan(req tryFullScanReq) {
@@ -285,33 +292,33 @@ func (s *_metric) StartFullScan(req tryFullScanReq) {
// return
// }
// timestampDecompressor := s.Timestamps.CreateDecompressor()
// valueDecompressor := s.Values.CreateDecompressor()
timestampDecompressor := s.timestamps.CreateDecompressor()
valueDecompressor := s.values.CreateDecompressor(s.metricType, s.fracDigits)
// for {
// timestamp, done := timestampDecompressor.NextValue()
// if done {
// break
// }
// value, done := valueDecompressor.NextValue()
// if done {
// qb.Abort(qb.HasTimestampNoValueBug, ErrNoValueBug)
// }
// req.ResponseWriter.FeedNoSend(timestamp, value)
// }
for {
timestamp, done := timestampDecompressor.NextValue()
if done {
break
}
value, done := valueDecompressor.NextValue()
if done {
qb.Abort(qb.HasTimestampNoValueBug, ErrNoValueBug)
}
req.ResponseWriter.FeedNoSend(timestamp, value)
}
// if s.LastPageNo > 0 {
// req.ResultCh <- fullScanResult{
// ResultCode: UntilFound,
// LastPageNo: s.LastPageNo,
// FracDigits: s.FracDigits,
// }
// s.RLocks++
// } else {
// req.ResultCh <- fullScanResult{
// ResultCode: QueryDone,
// }
// }
if s.lastPageNo > 0 {
req.ResultCh <- fullScanResult{
ResultCode: UntilFound,
LastPageNo: s.lastPageNo,
FracDigits: s.fracDigits,
}
s.RLocks++
} else {
req.ResultCh <- fullScanResult{
ResultCode: QueryDone,
}
}
}
// індекси
@@ -342,29 +349,21 @@ func (s *_metric) WriteTo(w io.Writer) (err error) {
if err != nil {
return
}
err = bin.WriteUint16(w, uint16(s.timestamps.Size()))
err = bin.WriteUint16(w, uint16(s.timestamps.StoredSize()))
if err != nil {
return
}
err = bin.WriteUint16(w, uint16(s.values.Size()))
err = bin.WriteUint16(w, uint16(s.values.StoredSize()))
if err != nil {
return
}
var (
timestampsCapturedState *qb.TimeDeltaCapturedState
valuesCapturedState *qb.ValueDeltaCapturedState
)
if s.capturedState != nil {
timestampsCapturedState = &s.capturedState.TimeState
valuesCapturedState = &s.capturedState.ValueState
}
// timestamps payload
err = s.timestamps.WritePayloadTo(w, timestampsCapturedState)
err = s.timestamps.WriteStoredTo(w)
if err != nil {
return
}
// values payload
err = s.values.WritePayloadTo(w, valuesCapturedState)
err = s.values.WriteStoredTo(w)
if err != nil {
return
}