No need to purge - why throw away the data?  My archive table 
contains 4229492 records, no problem.
On Sunday 11 February 2024 at 11:14:45 UTC michael.k...@gmx.at wrote:

> What's the problem with even millions of entries in the database?
> The min/max values are stored in the corresponding archive_day_xxx-tables 
> but derived from archive and (re)built from archive.
>
> Mario Wesolek schrieb am Sonntag, 11. Februar 2024 um 12:03:00 UTC+1:
>
>> hi there,
>>
>> i use weewx 5.0.2 with belchertown skin 1.3.1 with mysql database. over 
>> the time there are tousends of entrys in the database. is there a good / 
>> easy way to purge them without lost of alltime records statistik? i think 
>> the min/max values came from table archives, so i can select them and 
>> delete the other - so i think this is not a good way to do that like this. 
>> does anybody knows a better way or is a tool for that job include?
>>
>> thank you
>> mario
>> dg1fi
>>
>

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