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2023.12: Finalize history dashboard

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Franck Nijhof 2023-12-06 15:59:54 +01:00
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@ -155,18 +155,27 @@ with an empty manual dashboard or create a new default dashboard.
## History dashboard showing long-term statistics ## History dashboard showing long-term statistics
The history dashboard has gotten some love from [@karwosts] this release, he The history dashboard did get some love from [@karwosts] this release; he
added a big improvement to all the graph shown there. added a big improvement to _all_ the graphs shown there.
Previously, the graphs would only show the state history, which is limited Previously, the graphs would only show the state history, limited to a few days,
to a few days, until the data is removed. This is not always very useful, until the data is removed. This is not always very useful, for example,
for example, when you want to look back further in time. when you want to look back further in time.
[@karwosts] came up with a solution for this, and the history dashboard now [@karwosts] came up with a solution for this, and the history dashboard now
combines the state history with the recorded long-term statistics, to provide combines the state history with the recorded long-term statistics to provide
you insights into the past. insights into the past.
<img class="no-shadow" src='https://user-images.githubusercontent.com/32912880/275918628-dea821b9-5449-4777-8f84-0524eecb0ff9.gif' alt='Temporary screenshot that needs to be replaced.'> <img class="no-shadow" src='/images/blog/2023-12/long-term-history-dashboard.png' alt='Screenshot showing a history graph over a longer period of time.'>
The right and darker part of the graph line is provided by the state history
(like before), and the long-term statistics provide the left and lighter part
of the graph line (and is thus downsampled hourly data).
If you have manually modified the [days to keep before purging](/integrations/recorder#configuration-variables)
recorder on your system, consider removing that customization. With the
long-term statistics and new feature, you most likely don’t need it anymore,
resulting in a smaller database and, thus, faster and smaller backups.
[@karwosts]: https://github.com/karwosts [@karwosts]: https://github.com/karwosts