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fix: apikey lock issue and add option to disable tracking (#8361)

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* fix(api-key): avoid row-level locks by disabling usage tracking

* [autofix.ci] apply automated fixes

* chore: move parameter handling to settings service

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Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
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Ítalo Johnny 2025-06-04 14:05:55 -03:00 • committed by GitHub
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docs/docs/Configuration/environment-variables.md
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@ -191,6 +191,7 @@ The following table lists the environment variables supported by Langflow.
| <Link id="LANGFLOW_DB_MAX_OVERFLOW"/><span class="env-prefix">LANGFLOW_</span>DB_MAX_OVERFLOW | Integer | `20` | **DEPRECATED:** Use <span class="env-prefix">LANGFLOW_</span>DB_CONNECTION_SETTINGS instead. The number of connections to allow that can be opened beyond the pool size. |
| <Link id="LANGFLOW_DB_CONNECT_TIMEOUT"/><span class="env-prefix">LANGFLOW_</span>DB_CONNECT_TIMEOUT | Integer | `20` | The number of seconds to wait before giving up on a lock to be released or establishing a connection to the database. |
| <Link id="LANGFLOW_DB_CONNECTION_SETTINGS"/><span class="env-prefix">LANGFLOW_</span>DB_CONNECTION_SETTINGS | JSON | Not set | A JSON dictionary to centralize database connection parameters. Example: `{"pool_size": 10, "max_overflow": 20}` |
| <Link id="LANGFLOW_DISABLE_TRACK_APIKEY_USAGE"/><span class="env-prefix">LANGFLOW_</span>DISABLE_TRACK_APIKEY_USAGE | Boolean | `false` | If set to `true`, disables tracking of API key usage (`total_uses` and `last_used_at`) to avoid database contention under high concurrency. |
| <Link id="LANGFLOW_ENABLE_LOG_RETRIEVAL"/><span class="env-prefix">LANGFLOW_</span>ENABLE_LOG_RETRIEVAL | Boolean | `false` | Enable log retrieval functionality. |
| <Link id="LANGFLOW_FALLBACK_TO_ENV_VAR"/><span class="env-prefix">LANGFLOW_</span>FALLBACK_TO_ENV_VAR | Boolean | `true` | If enabled, [global variables](../Configuration/configuration-global-variables.md) set in the Langflow UI fall back to an environment variable with the same name when Langflow fails to retrieve the variable value. |
| <Link id="LANGFLOW_FRONTEND_PATH"/><span class="env-prefix">LANGFLOW_</span>FRONTEND_PATH | String | `./frontend` | Path to the frontend directory containing build files. This is for development purposes only.<br/>See [`--frontend-path` option](./configuration-cli.md#run-frontend-path). |