Cherry-pick to 7.2: Ignore prometheus metrics when their values are NaN or Inf (#12084)#12295
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kaiyan-sheng merged 2 commits intoelastic:7.2from May 27, 2019
kaiyan-sheng:backport_12084_7.2
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Cherry-pick to 7.2: Ignore prometheus metrics when their values are NaN or Inf (#12084)#12295kaiyan-sheng merged 2 commits intoelastic:7.2from kaiyan-sheng:backport_12084_7.2
kaiyan-sheng merged 2 commits intoelastic:7.2from
kaiyan-sheng:backport_12084_7.2
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May 24, 2019 20:54
* Ignore prometheus metrics when their values are NaN or Inf * Avoid NaN/Inf in prometheus helper * Add checks on Gauge, Summary and Counter * Add NaN/Inf check on histogram values (cherry picked from commit 9244477)
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…aN or Inf (elastic#12084) (elastic#12295) * Ignore prometheus metrics when their values are NaN or Inf (elastic#12084) * Ignore prometheus metrics when their values are NaN or Inf * Avoid NaN/Inf in prometheus helper * Add checks on Gauge, Summary and Counter * Add NaN/Inf check on histogram values (cherry picked from commit 6810e31) * Fix changelog
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Cherry-pick of PR #12084 to 7.2 branch. Original message:
When prometheus report metrics with value NaN or +Inf or -Inf, metricbeat will fail with error like "Failed to serialize the event: unsupported float value: NaN". This PR is to add the logic to ignore prometheus metrics with NaN/Inf value in
collectormetricset.This PR also added a
metrics-with-naninf.plaintest data with NaN/Inf as metric value. From the outputmetrics-with-naninf.plain-expected.jsonyou can see, the metrics with NaN/Inf value are not there.(cherry picked from commit 9244477)