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Motivation¶

See #94492 - as part of this ticket a retention period for the entire telegraf database has been set (to remove data older than two years). It would still be desirable to setup more fine grained retention policies and down-sampling for specific monitoring data. This was not done because it seems InfluxDB only let's one create retention policies per database (and we store all of our monitoring data in the single database telegraf). Additionally, downsampling needs to be taken care of per field so setting it up for the entire database would be a lot of work (and one needed to extend it every time a new field is added).

Suggestions¶

• Read comments in #94492 (but with a grain of salt since I might have missed some possibilities).
• Likely we needed to move data we want to retain shorter than two years or downsample into another database (and ensure we use that database for reading/writing data).
• Check if we have global retention enabled
• Look into if maybe influxdb (v.1) vs. influxdb2 (separate package) is of any help here