<a id="global-vault_log-level" />

**`[-log-level | VAULT_LOG_LEVEL] (enum : info)`**

Default logging level for the Vault server.

Enum    | Logging behavior
------- | ----------------
`trace` | Log everything including details about process flow within the server
`debug` | `info` level logging and detailed server state
`info`  | `warn` level logging, server events, and general server state
`warn`  | `err` level logging, deprecations, and potentially harmful events/states in the server
`err`   | Log information about non-fatal errors and handled exceptions

**Examples**:

- CLI flag: `-log-level debug`
- Environment variable: `export VAULT_LOG_LEVEL=debug`

