Thanks, Tom!  I can get the times tonight.  MarisDB will cache some stuff, will 
have to see how to tune it.

Sent from my iPhone
Clay Jackson


> On Nov 14, 2017, at 11:04 AM, Thomas Keffer <[email protected]> wrote:
> 
> That's interesting!
> 
> Several things need the outside temperature: sunrise and sunset calculations, 
> reduction of barometric pressure to the sea-surface pressure, and ET.
> 
> I think Sqlite is smart enough to cache the needed pages. Can your tool make 
> an estimate of the time spent in each query?
> 
> -tk
> 
>> On Tue, Nov 14, 2017 at 7:20 AM, Clay Jackson <[email protected]> wrote:
>> My “day job” is supporting Quest Foglight (a database monitoring tool) – 
>> just for fun, I pointed it at the weewx database.
>> 
>>  
>> 
>> It generally looks pretty good – but, there’s ONE query against 
>> archive_day_outTemp that’s executing 5,300 times/day (the next nearest is 
>> about 750/day).
>> 
>>  
>> 
>> Here’s the query
>> 
>>  
>> 
>> SELECT SUM(`wsum`), SUM(`sumtime`)
>> 
>>   FROM `archive_day_outTemp`
>> 
>> WHERE DATETIME >= ? AND DATETIME < ?
>> 
>>  
>> 
>> I AM using Alarm_Multi to check outdoor temps below freezing; but, there’s a 
>> 3600 second “timer” on that.
>> 
>>  
>> 
>> Anyone have any ideas?
>> 
>>  
>> 
>> Clay Jackson
>> 
>>  
>> 
>>  
>> 
> 

Reply via email to