* - user : DB user
* - password : DB user password
* - tablePrefix : DB table prefix
- * - flags : DB flags (see DatabaseBase)
+ * - flags : DB flags; bitfield of IDatabase::DBO_* constants
* - dbsByBucket : Array of 1-16 consecutive integer keys, starting from 0,
* each having an odd-numbered list of DB names (peers) as values.
* - lockExpiry : Lock timeout (seconds) for dropped connections. [optional]