Logs environment variables#

File-based configuration

You can add _FILE to individual variables to provide their configuration in a separate file. Refer to Keeping sensitive data in separate files for more details.

This page lists environment variables to set up logging for debugging. Refer to Logging in n8n for details.

n8n logs#

Variable	Type	Default	Description
`N8N_LOG_LEVEL`	Enum string: `info`, `warn`, `error`, `debug`	`info`	Log output level. Refer to Log levels for details.
`N8N_LOG_OUTPUT`	Enum string: `console`, `file`	`console`	Where to output logs. Provide multiple values as a comma-separated list.
`N8N_LOG_FILE_COUNT_MAX`	Number	`100`	Max number of log files to keep.
`N8N_LOG_FILE_SIZE_MAX`	Number	`16`	Max size of each log file in MB.
`N8N_LOG_FILE_LOCATION`	String	`<n8n-directory-path>/logs/n8n.log`	Log file location. Requires N8N_LOG_OUTPUT set to `file`.
`DB_LOGGING_ENABLED`	Boolean	`false`	Whether to enable database-specific logging.
`DB_LOGGING_OPTIONS`	Enum string: `query`, `error`, `schema`, `warn`, `info`, `log`	`error`	Database log output level. To enable all logging, specify `all`. Refer to TypeORM logging options
`DB_LOGGING_MAX_EXECUTION_TIME`	Number	`1000`	Maximum execution time (in milliseconds) before n8n logs a warning. Set to `0` to disable long running query warning.
`CODE_ENABLE_STDOUT`	Boolean	`false`	Set to`true` to send Code node logs to process's stdout for debugging, monitoring, or logging purposes.

Log streaming#

Refer to Log streaming for more information on this feature.

Variable	Type	Default	Description
`N8N_EVENTBUS_CHECKUNSENTINTERVAL`	Number	`0`	How often (in milliseconds) to check for unsent event messages. Can in rare cases send message twice. Set to `0` to disable it.
`N8N_EVENTBUS_LOGWRITER_SYNCFILEACCESS`	Boolean	`false`	Whether all file access happens synchronously within the thread (true) or not (false).
`N8N_EVENTBUS_LOGWRITER_KEEPLOGCOUNT`	Number	`3`	Number of event log files to keep.
`N8N_EVENTBUS_LOGWRITER_MAXFILESIZEINKB`	Number	`10240`	Maximum size (in kilo-bytes) of an event log file before a new one starts.
`N8N_EVENTBUS_LOGWRITER_LOGBASENAME`	String	`n8nEventLog`	Basename of the event log file.