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Reload cache factors from disk on SIGHUP (#12673)

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David Robertson 2022-05-11 14:43:22 +01:00 • committed by GitHub
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docs/usage/configuration/config_documentation.md
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@ -1130,6 +1130,23 @@ caches:
expire_caches: false
sync_response_cache_duration: 2m
```
### Reloading cache factors
The cache factors (i.e. `caches.global_factor` and `caches.per_cache_factors`) may be reloaded at any time by sending a
[`SIGHUP`](https://en.wikipedia.org/wiki/SIGHUP) signal to Synapse using e.g.
```commandline
kill -HUP [PID_OF_SYNAPSE_PROCESS]
```
If you are running multiple workers, you must individually update the worker
config file and send this signal to each worker process.
If you're using the [example systemd service](https://github.com/matrix-org/synapse/blob/develop/contrib/systemd/matrix-synapse.service)
file in Synapse's `contrib` directory, you can send a `SIGHUP` signal by using
`systemctl reload matrix-synapse`.
---
## Database ##
Config options related to database settings.