func (self *Coordinator) CommitSeriesData(db string, serieses []*protocol.Series, sync bool) error { now := common.CurrentTime() shardToSerieses := map[uint32]map[string]*protocol.Series{} shardIdToShard := map[uint32]*cluster.ShardData{} for _, series := range serieses { if len(series.Points) == 0 { return fmt.Errorf("Can't write series with zero points.") } for _, point := range series.Points { if point.Timestamp == nil { point.Timestamp = &now } } // sort the points by timestamp // TODO: this isn't needed anymore series.SortPointsTimeDescending() for i := 0; i < len(series.Points); { if len(series.GetName()) == 0 { return fmt.Errorf("Series name cannot be empty") } shard, err := self.clusterConfiguration.GetShardToWriteToBySeriesAndTime(db, series.GetName(), series.Points[i].GetTimestamp()) if err != nil { return err } firstIndex := i timestamp := series.Points[i].GetTimestamp() for ; i < len(series.Points) && series.Points[i].GetTimestamp() == timestamp; i++ { // add all points with the same timestamp } newSeries := &protocol.Series{Name: series.Name, Fields: series.Fields, Points: series.Points[firstIndex:i:i]} shardIdToShard[shard.Id()] = shard shardSerieses := shardToSerieses[shard.Id()] if shardSerieses == nil { shardSerieses = map[string]*protocol.Series{} shardToSerieses[shard.Id()] = shardSerieses } seriesName := series.GetName() s := shardSerieses[seriesName] if s == nil { shardSerieses[seriesName] = newSeries continue } shardSerieses[seriesName] = common.MergeSeries(s, newSeries) } } for id, serieses := range shardToSerieses { shard := shardIdToShard[id] seriesesSlice := make([]*protocol.Series, 0, len(serieses)) for _, s := range serieses { seriesesSlice = append(seriesesSlice, s) } err := self.write(db, seriesesSlice, shard, sync) if err != nil { log.Error("COORD error writing: ", err) return err } } return nil }
func (self *Coordinator) CommitSeriesData(db string, serieses []*protocol.Series, sync bool) error { now := common.CurrentTime() shardToSerieses := map[uint32]map[string]*protocol.Series{} shardIdToShard := map[uint32]*cluster.ShardData{} for _, series := range serieses { if len(series.Points) == 0 { return fmt.Errorf("Can't write series with zero points.") } for _, point := range series.Points { if point.Timestamp == nil { point.Timestamp = &now } } // sort the points by timestamp // TODO: this isn't needed anymore series.SortPointsTimeDescending() sn := series.GetName() // use regular for loop since we update the iteration index `i' as // we batch points that have the same timestamp for i := 0; i < len(series.Points); { if len(series.GetName()) == 0 { return fmt.Errorf("Series name cannot be empty") } ts := series.Points[i].GetTimestamp() shard, err := self.clusterConfiguration.GetShardToWriteToBySeriesAndTime(db, sn, ts) if err != nil { return err } log.Fine("GetShardToWriteToBySeriesAndTime(%s, %s, %d) = (%s, %v)", db, sn, ts, shard, err) firstIndex := i for ; i < len(series.Points) && series.Points[i].GetTimestamp() == ts; i++ { // add all points with the same timestamp } // if shard == nil, then the points shouldn't be writte. This // will happen if the points had timestamps earlier than the // retention period if shard == nil { continue } newSeries := &protocol.Series{Name: series.Name, Fields: series.Fields, Points: series.Points[firstIndex:i:i]} shardIdToShard[shard.Id()] = shard shardSerieses := shardToSerieses[shard.Id()] if shardSerieses == nil { shardSerieses = map[string]*protocol.Series{} shardToSerieses[shard.Id()] = shardSerieses } seriesName := series.GetName() s := shardSerieses[seriesName] if s == nil { shardSerieses[seriesName] = newSeries continue } shardSerieses[seriesName] = common.MergeSeries(s, newSeries) } } for id, serieses := range shardToSerieses { shard := shardIdToShard[id] seriesesSlice := make([]*protocol.Series, 0, len(serieses)) for _, s := range serieses { seriesesSlice = append(seriesesSlice, s) } err := self.write(db, seriesesSlice, shard, sync) if err != nil { log.Error("COORD error writing: ", err) return err } } return nil }