MongoDB::setSlaveOkay Change slaveOkay setting for this database &reftitle.description; public boolMongoDB::setSlaveOkay boolok See the query section of this manual for information on distributing reads to slaves. &reftitle.parameters; ok If reads should be sent to secondary members of a replica set for all possible queries using this MongoDB instance. &reftitle.returnvalues; Returns the former value of slaveOkay for this instance.