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Remove legacy Prometheus metrics names. They were deprecated in Synapse v1.69.0 and disabled by default in Synapse v1.71.0. (#14538)

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reivilibre authored and GitHub committed 2022-11-24 09:09:17 +00:00
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docs/usage/configuration/config_documentation.md
-25
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@@ -2437,31 +2437,6 @@ Example configuration:
enable_metrics: true
```
---
### `enable_legacy_metrics`
Set to `true` to publish both legacy and non-legacy Prometheus metric names,
or to `false` to only publish non-legacy Prometheus metric names.
Defaults to `false`. Has no effect if `enable_metrics` is `false`.
**In Synapse v1.67.0 up to and including Synapse v1.70.1, this defaulted to `true`.**
Legacy metric names include:
- metrics containing colons in the name, such as `synapse_util_caches_response_cache:hits`, because colons are supposed to be reserved for user-defined recording rules;
- counters that don't end with the `_total` suffix, such as `synapse_federation_client_sent_edus`, therefore not adhering to the OpenMetrics standard.
These legacy metric names are unconventional and not compliant with OpenMetrics standards.
They are included for backwards compatibility.
Example configuration:
```yaml
enable_legacy_metrics: false
```
See https://github.com/matrix-org/synapse/issues/11106 for context.
*Since v1.67.0.*
**Will be removed in v1.73.0.**
---
### `sentry`
Use this option to enable sentry integration. Provide the DSN assigned to you by sentry