Hi I use telegraf to gather general metrics (e.g. CPU, disk usage, PostgreSQL stats, etc.) but I'm not using it to monitor my Tor instances. Le 08/12/2018 à 04:01, petrarca@xxxxxxxxxxxxx a écrit : > Questions I could not answer yet myself include e.g. > > - What will be the performance impact of running Telegraf on a Tor-Realy (CPU, disk, I/O,...)? > I don't think telegraf will have a big impact but that will depend on how many metrics you'll be gathering and at what frequency. > - What happens if the InfluxDB (running on another system) is not reachable (maintenance, outages) - is the data lost or buffered somehow? > telegraf has a buffer mechanism Have a look at the configuration reference: https://github.com/influxdata/telegraf/blob/master/docs/CONFIGURATION.md#agent-configuration > - I would like to also keep see old/historical data but not as granular as more recent data - is there any way to boild down old data, e.g. to only keep hourly data for data older that a month etc.? > You could use InfluxDB's retention policies and continuous queries to do so. -- Johan Fleury PGP Key ID : 0x5D404386805E56E6
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