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[metricbeat] Add divide by zero check to docker/diskio #15649

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merged 2 commits into from
Jan 21, 2020
Merged

[metricbeat] Add divide by zero check to docker/diskio #15649

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9a500f4
add NaN check to docker/diskio
fearful-symmetry Jan 17, 2020
6f27d99
return 0
fearful-symmetry Jan 21, 2020
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8 changes: 7 additions & 1 deletion metricbeat/module/docker/diskio/helper.go
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Original file line number Diff line number Diff line change
Expand Up @@ -174,5 +174,11 @@ func calculatePerSecond(duration time.Duration, old uint64, new uint64) float64
if value < 0 {
value = 0
}
return value / duration.Seconds()

timeSec := duration.Seconds()
if timeSec == 0 {
return 0
}

return value / timeSec
}