#### 23.6.14.27 The ndbinfo disk\_write\_speed\_base Table

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 The `disk_write_speed_base` table provides base information about the speed of disk writes during LCP, backup, and restore operations.

 The `disk_write_speed_base` table contains the following columns:

* `node_id`

   Node ID of this node

* `thr_no`

   Thread ID of this LDM thread

* `millis_ago`

   Milliseconds since this reporting period ended

* `millis_passed`

   Milliseconds elapsed in this reporting period

* `backup_lcp_bytes_written`

   Number of bytes written to disk by local checkpoints and backup processes during this period

* `redo_bytes_written`

   Number of bytes written to REDO log during this period

* `target_disk_write_speed`

   Actual speed of disk writes per LDM thread (base data)

