prometheus/promql/testdata/staleness.test

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load 10s
metric 0 1 stale 2
# Instant vector doesn't return series when stale.
eval instant at 10s metric
{__name__="metric"} 1
eval instant at 20s metric
eval instant at 30s metric
{__name__="metric"} 2
eval instant at 40s metric
{__name__="metric"} 2
# It goes stale 4 intervals + 10% after the last sample.
eval instant at 71s metric
{__name__="metric"} 2
eval instant at 72s metric
# Range vector ignores stale sample.
eval instant at 30s count_over_time(metric[1m])
{} 3
eval instant at 10s count_over_time(metric[1s])
{} 1
eval instant at 20s count_over_time(metric[1s])
eval instant at 20s count_over_time(metric[10s])
{} 1
clear
load 10s
metric 0
# Series with single point goes stale after 5 minutes.
eval instant at 0s metric
{__name__="metric"} 0
eval instant at 150s metric
{__name__="metric"} 0
eval instant at 300s metric
{__name__="metric"} 0
eval instant at 301s metric