func logBatchCommit(b datastore.Batch, n int, num, errs metrics.Counter, lat *metrics.Histogram) error { if n > 0 { before := time.Now() err := b.Commit() took := int(time.Now().Sub(before)/time.Microsecond) / n num.AddN(uint64(n)) for i := 0; i < n; i++ { _ = lat.RecordValue(int64(took)) } if err != nil { errs.Add() return err } } return nil }
func recordLatency(h *metrics.Histogram, start time.Time) { elapsed := time.Now().Sub(start) / time.Microsecond _ = h.RecordValue(int64(elapsed)) }