Cherry-pick: Always return unknown hint for first sample in non-gauge histogram chunk #764
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…unk (#15343) Always return unknown hint for first sample in non-gauge histogram chunk --------- Signed-off-by: Fiona Liao <fiona.liao@grafana.com> Co-authored-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
krajorama
approved these changes
Nov 25, 2024
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prometheus/prometheus#15343
This is needed to ensure correctness when querying native histograms when merging chunks from different sources. This is especially important for out-of-order native histograms as you're more likely to have to merge chunks with overlapping timestamps.
I had to fix a couple of tests specific to mimir-prometheus - updated CounterReset headers to UnknownCounterReset