homeassistant

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Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io

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My home-assistant_v2.db was gigantic and it was my fault (lemmy.tf)

submitted 9 months ago by [email protected] to c/[email protected]

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As a Home Assistant noob, there's some things that I'm just destined not to learn until I experience them and one such thing is that I should disable things I don't use on devices I use. I have a bunch of presence sensors in my house and they were essentially spamming my logs with the motion state, something I never need as I only ever need to know whether a room is occupied or not.

Anyway, I didn't think anything of the log spam until I did a backup, in two weeks my backup went from 5mb to 0.5gb I was like WTF? I digress... a quick search said it was safe to delete and it would be recreated automatically, so I did and now it's back to 5mb and obviously I disabled all of the extraneous logging elements disabled. Since disabling wasn't enough.

Just sharing what I learned.

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[–] [email protected] 2 points 9 months ago (1 children)

Just out of curiosity: is it that bad if the database is larger? I love to have some history especially for my temperature sensors.

[–] [email protected] 1 points 9 months ago

I have two temperature sensors and keep their data, but I was getting a tonne of spam from my presence sensors which meant that my database was 2GB and growing. That level of IO would quickly kill my SD.

[–] [email protected] 2 points 9 months ago (1 children)

For those devices that are very chatty you can specifically exclude them from being stored in the database. I then created template sensors that let me filter the results so I’m not spamming the database, only storing data I want. I do find the mm-wave sensors to be particularly bad, but I’ve also found Tuya-based air quality sensors to spam the logs too.

[–] [email protected] 1 points 9 months ago (1 children)

Ooh, how do you exclude from the db?

[–] [email protected] 3 points 9 months ago (1 children)

Recorder integration: https://www.home-assistant.io/integrations/recorder/

The simplest way in configuration.yaml is something like:

recorder:
  exclude:
    entities:
      - sensor.chatty1
      - sensor.chatty2

[–] [email protected] 1 points 9 months ago

Thank you