Gary,
Thanks, not sure why my dB was so small, but at this point doesn't really 
matter I guess.

Cheers!
Chip

On Thursday, November 18, 2021 at 1:38:33 PM UTC-7 gjr80 wrote:

> Sounds to me like the starting size is the odd figure here - 950kb for 
> ‘several years of data’ is rather low in my experience. I have a number of 
> databases of simulator data covering various periods and the smallest of 
> these is 2.6Mb for one month of data. It goes up from there. One year is 
> 39Mb and 10 years 234MB. These are all wview schema.
>
> I wouldn’t be concerned.
>
> Gary
>
> On Friday, 19 November 2021 at 04:25:17 UTC+10 vince wrote:
>
>> Database size has nothing to do with the amount of RAM your computer has, 
>> nor how much RAM weewx needs (which is not much).
>>
>> If you upgraded to v4 and used the extended schema, yes it added a lot of 
>> typically unused fields and tables, but it didn't increase the size 
>> tremendously.   I did the measurement before and after during the 
>> development cycle and it was visible but not anything too significant.
>>
>> My database going back 15 years (wow) now is 352 MB in size for my VP2 on 
>> a 5-minute interval period.   Tiny these days.
>>
>> On Thursday, November 18, 2021 at 10:08:15 AM UTC-8 [email protected] 
>> wrote:
>>
>>> I have Weewx running on a RaspberryPi and am changing out the SD card 
>>> which was behaving badly.  In the process I noticed that the database has 
>>> grown significantly in the 1 year since I had performed my last software 
>>> update.  Last year the database was about 950KB and I believe (but could be 
>>> wrong) this covered several years of operation and today it is 145MB.  
>>>
>>> The growth concerns me and I would like to understand what is causing it 
>>> and how this impacts the performance of the RPi which is older and has very 
>>> little RAM (512M) by todays standards.  I know enough about databases to be 
>>> very dangerous but am not afraid to dig into it.  
>>>
>>> So any help or advice would be much appreciated.
>>>
>>> Chip
>>>
>>

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