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Code Issues 6 Releases Wiki Activity

Document the new QUERY_LOG_TAGS_ENABLED variable (#1574)

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See https://github.com/mastodon/mastodon/pull/33342
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Renaud Chaput 2024-12-18 11:05:11 +01:00 committed by GitHub
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content/en/admin/config.md
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@ -350,6 +350,24 @@ If provided, takes precedence over `DB_HOST`, `DB_USER`, `DB_NAME`, `DB_PASS` an
Example value: `postgresql://user:password@localhost:5432`
#### `QUERY_LOG_TAGS_ENABLED`
If set to `true`, then ActiveRecord will insert comments at the end of every SQL statement, which can help analyzing the performance of the application.
The comments are formatted using the SqlCommenter format and the following attributes:
- `namespaced_controller`: full name of the controller for the HTTP request that generated this SQL statement
- `action`: name of the action for the HTTP request that generated this SQL statement
- `sidekiq_job_class`: class name of the Sidekiq job that generated this SQL statement
{{< hint style="warning" >}}
Enabling this option will disable prepared statements
{{</ hint >}}
Defaults to `false`.
**Version history:**\
4.4.0 - added
### PostgreSQL (read-only replica) {#postgresql-replica}
{{< hint style="info" >}}