Optimize bulk insertion to InfluxDB
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parent
dd643c469b
commit
948bfb291f
36
stats_db.go
36
stats_db.go
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@ -10,7 +10,7 @@ import (
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)
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)
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const (
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const (
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batchWaiting = time.Second * 5
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batchDuration = time.Second * 5
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)
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)
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type StatsDb struct {
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type StatsDb struct {
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@ -106,44 +106,46 @@ func (c *StatsDb) worker() {
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var bp client.BatchPoints
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var bp client.BatchPoints
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var err error
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var err error
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var dirty, closed bool
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var writeNow, closed bool
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var batchStarted time.Time
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timer := time.NewTimer(batchDuration)
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for !closed {
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for !closed {
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// create new batch points?
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if bp == nil {
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if bp, err = client.NewBatchPoints(bpConfig); err != nil {
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panic(err)
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}
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}
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// wait for new points
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// wait for new points
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select {
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select {
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case point, ok := <-c.points:
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case point, ok := <-c.points:
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if ok {
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if ok {
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bp.AddPoint(point)
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if bp == nil {
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if !dirty {
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// create new batch
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batchStarted = time.Now()
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timer.Reset(batchDuration)
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dirty = true
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if bp, err = client.NewBatchPoints(bpConfig); err != nil {
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panic(err)
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}
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}
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}
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bp.AddPoint(point)
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} else {
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} else {
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closed = true
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closed = true
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}
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}
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case <-time.After(time.Second):
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case <-timer.C:
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// nothing
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if bp == nil {
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timer.Reset(batchDuration)
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} else {
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writeNow = true
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}
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}
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}
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// write batch now?
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// write batch now?
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if (dirty && batchStarted.Add(batchWaiting).Before(time.Now())) || closed {
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if bp != nil && (writeNow || closed) {
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log.Println("saving", len(bp.Points()), "points")
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log.Println("saving", len(bp.Points()), "points")
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if err = c.client.Write(bp); err != nil {
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if err = c.client.Write(bp); err != nil {
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panic(err)
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panic(err)
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}
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}
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dirty = false
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writeNow = false
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bp = nil
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bp = nil
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}
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}
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}
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}
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timer.Stop()
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c.wg.Done()
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c.wg.Done()
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}
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}
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