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check retention policy of metrics in prometheus server #277

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KalmanMeth opened this issue Aug 2, 2022 · 2 comments
Open

check retention policy of metrics in prometheus server #277

KalmanMeth opened this issue Aug 2, 2022 · 2 comments

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@KalmanMeth
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@KalmanMeth
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By default, Prometheus metrics are stored for N days (based on configuration, typically 7 or 15 [AWS]).
Can set retention period and size in config file by setting the storage retention options.
--storage.tsdb.retention.time=30d
--storage.tsdb.retention.size=10GB

@KalmanMeth
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In the client, any metrics we want to stop reporting must be explicitly deleted. In the old implementation of encode_prom there was a bug causing the data to never be cleaned up. This seems to be fixed in the more recent implementation. #266

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