[collectd] collectd storing data in a db without data condensing (like rrd)?

[Andreas Schuldei]

What are the recommended ways of storing data in a database, where the data
is not condensed, like rrd does it?

I am recoding mostly temperature data of ca 60 sensors, over the time frame
of several years/decades, and I need to be able to compare between years.
So it won't be a high volume of data coming in per hour, but it will be
some data accumulating over the years.

this system will run on a resource constrained server, so something with a
modest memory footprint  would be appreciated. (i expect to upgrade that
system as the hardware dies, but i would prefer not to doing migrations
between databases every time i switch hardware.

what database do you recommend?
What would be a frontend (for plotting the data) to go with that?
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