disk_write_speed_base table provides base
information about the speed of disk writes during LCP, backup,
and restore operations.
disk_write_speed_base table contains the
Node ID of this node
Thread ID of this LDM thread
Milliseconds since this reporting period ended
Milliseconds elapsed in this reporting period
Number of bytes written to disk by local checkpoints and backup processes during this period
Number of bytes written to REDO log during this period
Actual speed of disk writes per LDM thread (base data)
This table was added in NDB 7.4.1.