These options limit the resources used by the backup process, to minimize backup overhead for busy or huge databases.
Specify maximum memory in megabytes that can be used in the
apply-log operation. Do not
include any suffixes such as
kb in the option value.
Default: 100 (that is, 100 Megabytes).
Disables locking during backup of non-InnoDB files, even if a connection is available. Can be used to copy non-InnoDB data with less disruption to normal database processing. There could be inconsistencies in non-InnoDB data if any changes are made while those files are being backed up.