Ensure metrics labels are sorted #45
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Signed-off-by: Matej Gera <matejgera@gmail.com>
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Does it mean receiver does not check this? 😱 |
jessicalins
reviewed
Jul 13, 2022
Signed-off-by: Matej Gera <matejgera@gmail.com>
squat
approved these changes
Jul 13, 2022
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Nice find @matej-g |
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Signed-off-by: Matej Gera matejgera@gmail.com
After we started to use the write functionality with
upin our system, we noticed that we started hitting issue on Thanos compactor, complaining about label set not being ordered (see prometheus/prometheus#5372 and related issues).We should ensure that labels are sorted before we write the metrics, in line how the upstream Prometheus code inform us the order should be guaranteed upon instantiation.