Parameter Configuration

Parameter	Accepted values / type	Default	Description and constraints
server	host[:port][;host[:port]...]	From URL	Host segment from the JDBC URL. Supports host:port or host1:port;host2:port.
database	String	None	Default database when URL path is empty. The URL database path takes precedence and selects the default authentication database.
user / username	String	None	Username for authentication. user takes precedence over username.
password	String	Empty	Password for authentication.
mechanism	PLAIN / SCRAM-SHA-1 / SCRAM-SHA-256 / GSSAPI / X-509	Empty	Authentication mechanism: PLAIN, SCRAM-SHA-1, SCRAM-SHA-256, GSSAPI, X-509. Empty means createCredential.
clientName	String	Mongo-JDBC-Client	MongoDB application name.
socketTimeout	Integer (milliseconds)	Driver default	Socket read timeout (ms).
socketSndBuffer	Integer (bytes)	Driver default	Socket send buffer size (bytes).
socketRcvBuffer	Integer (bytes)	Driver default	Socket receive buffer size (bytes).
retryWrites	true / false	Driver default	Enable retry writes.
retryReads	true / false	Driver default	Enable retry reads.
timeZone	Time-zone ID or offset, e.g. UTC, +08:00	UTC	Driver time zone used for type conversion (for example +08:00).
customMongo	Fully qualified class name	None	Fully qualified class name implementing CustomMongo.
preRead	true / false	true	Pre-read and expand document fields; explicit projections expose only projected fields. Disabled mode returns raw-document columns only.
preReadThreshold	Size with B / KB / MB / GB suffix	5MB	Pre-read threshold size. Accepts B/KB/MB/GB. Defaults to MB when no unit is supplied.
preReadMaxFileSize	Size with B / KB / MB / GB suffix	20MB	Maximum pre-read file size. Accepts B/KB/MB/GB. Defaults to MB when no unit is supplied.
preReadCacheDir	Directory path	java.io.tmpdir	Cache directory for pre-read mode.
adapterName	mongo	From JDBC URL	Adapter identifier supplied by the JDBC URL.