the UPS is the key thing. i expect that without a UPS the sd card would have 
died after a year. as was mentioned earlier, power glitches and outages (and 
i’ll add pulling the power plug!) are sd card killers

nonetheless on principle i like to put high-activity hotspots in ramdisks where 
feasible
⊣ Graham Eddy ⊢

> On 14 Mar 2022, at 12:18 am, Tom Keffer <[email protected]> wrote:
> 
> High-end consumer SD cards are better than you think. As an experiment, I 
> spun up a WeeWX instance using full logging on a Sandisk Extreme Plus SD 
> card, thinking it would last a year or so. That was over seven years ago and 
> it's doing fine.

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