[weewx-user] Re: weewx v4 new extended schema - so good !

[Pat]

Exactly, time to play around with some backups

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[weewx-user] Re: weewx v4 new extended schema - so good !

[vince]

On Saturday, March 7, 2020 at 2:06:33 PM UTC-8, Pat wrote:
>
> Good stuff! So far I've been upgrading through the beta steps and b14 is 
> working great. I haven't extended the schema yet. If I run wee_database 
> --rebuld-daily will I lose the exact timestamps in my existing 
> archive_day_* tables? I'm thinking not since it's not dropping daily, but 
> I wanted to ask.
>
>
The --reconfigure does a --drop-daily in effect.  When it's done you have 
just an archive table there.  So you need to do --rebuild-daily it seems.

I suppose you could always keep your existing archive_day_* tables and try 
to overwrite the ones you had before, if you were gutsy.  I didn't try that 
when I did mine.  I'm assuming it effectively just adds new tables for the 
extended elements, but I don't know how accurate that assumption is.

That's why we make VMs to play in :-)

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[weewx-user] Re: weewx v4 new extended schema - so good !

[Pat]

Good stuff! So far I've been upgrading through the beta steps and b14 is 
working great. I haven't extended the schema yet. If I run wee_database 
--rebuld-daily will I lose the exact timestamps in my existing archive_day_* 
tables? I'm thinking not since it's not dropping daily, but I wanted to ask.

On Saturday, March 7, 2020 at 12:37:05 PM UTC-5, vince wrote:
>
> I switched my weewx box running the beta over to the new extended schema. 
>  This is great stuff.
>
> Here's an example of what you can do with it.   This is a grafana 
> dashboard overlaying maxSolarRad as calculated by weewx with sensor 
> readings from three different WeatherFlow stations.  It's more data for the 
> vendor to help tweak their sensors 'continuous learning' tunings.   (I'm a 
> beta tester)
>
> New weewx systems running v4 will get the new extended schema by default.
>
> Existing weewx systems have a few steps to update to the new schema, if 
> you choose to do so:
>
>- stop weewx
>- wee_database --reconfigure
>- wee_database --rebuld-daily
>- copy the modified db into place
>- start weewx
>
> The two wee_database commands take quite some time depending on your 
> hardware and amount of data.  On my Seagate Dockstar (super old pogoplug 
> clone basically with all ram used) it took over 90 minutes to reconfigure 
> the db.   I have 11 years of data however, so it's a lot of records.
>
> When I did the same thing in a VM running on my i3 NUC and it took only 3 
> minutes.  The rebuild_daily also took 3 minutes there.   I then copied the 
> file back to my wimpy weewx system and it ran just fine.
>
> Bottom line, throw hardware at the conversion if you can, if you have lots 
> of old data.
>
>
>

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Re: [weewx-user] Re: weewx v4 new extended schema - so good !

[Thomas Keffer]

I thought a release of V4 would be real soon, but we ran into lots of
packaging hassles supporting such a wide matrix of possibilities. Now I'm
looking at a much simpler strategy, but it will take time. Patience!

-tk

On Sat, Mar 7, 2020 at 11:03 AM Steve Koone  wrote:

> This looks great Vince, and thanks for sharing your results!
>
> Is this something that we can apply our existing v3 systems now, or do we
> have to wait until v4 is released?
>
> Speaking of which, can anyone (developers perhaps?) advise as to an
> official release time frame for weewx v4?  Is it soon or still down the
> road a ways?
>
> -Stephen
>
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> .
>

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[weewx-user] Re: weewx v4 new extended schema - so good !

[Steve Koone]

This looks great Vince, and thanks for sharing your results!

Is this something that we can apply our existing v3 systems now, or do we 
have to wait until v4 is released?

Speaking of which, can anyone (developers perhaps?) advise as to an 
official release time frame for weewx v4?  Is it soon or still down the 
road a ways?

-Stephen

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