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2022.4: Optimizing performance

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Franck Nijhof 2022-04-05 15:11:58 +02:00
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@ -54,8 +54,9 @@ Enjoy the (beta) release!
- [Zones now have a state!](#zones-now-have-a-state) - [Zones now have a state!](#zones-now-have-a-state)
- [Adjusting unit of measurements for sensors](#adjusting-unit-of-measurements-for-sensors) - [Adjusting unit of measurements for sensors](#adjusting-unit-of-measurements-for-sensors)
- [Adjusting long-term statistics](#adjusting-long-term-statistics) - [Adjusting long-term statistics](#adjusting-long-term-statistics)
- [Database Performance](#database-performance) - [Optmizing performance](#optmizing-performance)
- [Frontend data performance](#frontend-data-performance) - [Frontend UI performance](#frontend-ui-performance)
- [Database performance](#database-performance)
- [New and updated selectors!](#new-and-updated-selectors) - [New and updated selectors!](#new-and-updated-selectors)
- [Variables on trigger](#variables-on-trigger) - [Variables on trigger](#variables-on-trigger)
- [Other noteworthy changes](#other-noteworthy-changes) - [Other noteworthy changes](#other-noteworthy-changes)
@ -323,11 +324,29 @@ can be found in the developer statistics tools:
{% my developer_statistics badge %} {% my developer_statistics badge %}
## Database Performance ## Optimizing performance
This release brings significant performance optimizations to both Home
Assistant's backend and frontend UI.
### Frontend UI performance
The communication layer between the Home Assistant frontend and its Core backend
has been greatly improved. It now sends over a lot less data and is heavily
optimized to send the least amount of data when first loading up the UI.
The UI will load faster since less data is transferred over the wire,
and there is less data for the web browser or app to process.
Additionally, lessened data transmitted means Home Assistant will work better
on slower data connections and, if essential for you, uses less data on your
mobile data plan.
### Database performance
This release features write reductions intended to preserve SD card lifetimes, This release features write reductions intended to preserve SD card lifetimes,
performance improvements designed to get data to the frontend faster, and performance improvements designed to get data to the frontend faster, and
database size reduction ranging from 10-35% for most installs. database size reductions ranging from 10-35% for most installs.
When the same set of state attributes already exists in the database, When the same set of state attributes already exists in the database,
newly recorded state changes now only store a reference to the state newly recorded state changes now only store a reference to the state
@ -343,7 +362,9 @@ attributes from the backend, and as a result, they load much faster after
for energy sensors. for energy sensors.
For a few a complete set of changes to the underlying database, For a few a complete set of changes to the underlying database,
check out the [Data Science Portal](https://data.home-assistant.io/docs/states#database) check out the [Data Science Portal].
[Data Science Portal]: https://data.home-assistant.io/docs/states#database
## New and updated selectors! ## New and updated selectors!