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added a warning for possible memory leak (#5905)

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* added a warning for possible memory leak

as discussed here https://github.com/home-assistant/home-assistant/issues/11594#issuecomment-408083266

* ✏️ Tweaks
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bvansambeek 2018-07-29 11:17:24 +02:00 committed by Franck Nijhof
parent 29dab7ad2f
commit 94d1ad2e38
1 changed files with 7 additions and 0 deletions
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source/_docs/mqtt/broker.markdown
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@ -31,6 +31,13 @@ Home Assistant contains an embedded MQTT broker. If no broker configuration is g
mqtt:
```
<p class='note warning'>
There is an issue with the HBMQTT broker that can cause a memory leak (slowly increasing used memory). This causes an unstable system after the memory is full. You could measure/monitor this with a system monitor. The issue is from 2016 and could already be resolved with newer versions. Use another broker when you experience this issue, for example, Mosquitto. <br>
<br>
Issue with the HBMQTT broker: https://github.com/beerfactory/hbmqtt/issues/62 <br>
System monitor: https://www.home-assistant.io/components/sensor.systemmonitor/
</p>
### {% linkable_title Owntracks%}
To use Owntracks with the internal broker a small configuration change must be made in order for the app to use MQTT protocol 3.1.1 (Protocol Level 4).