Documentation Home
MySQL 5.7 Reference Manual
Related Documentation Download this Manual
PDF (US Ltr) - 39.4Mb
PDF (A4) - 39.4Mb
PDF (RPM) - 38.7Mb
HTML Download (TGZ) - 11.1Mb
HTML Download (Zip) - 11.1Mb
HTML Download (RPM) - 9.8Mb
Man Pages (TGZ) - 213.4Kb
Man Pages (Zip) - 322.5Kb
Info (Gzip) - 3.6Mb
Info (Zip) - 3.6Mb
Excerpts from this Manual

21.5.10.17 The ndbinfo disk_write_speed_base Table

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

The following table provides information about the columns in the disk_write_speed_base table. For each column, the table shows the name, data type, and a brief description. Additional information can be found in the notes following the table.

Table 21.386 Columns of the disk_write_speed_base table

Column Name Type Description
node_id integer Node ID of this node
thr_no integer Thread ID of this LDM thread
millis_ago integer Milliseconds since this reporting period ended
millis_passed integer Milliseconds elapsed in this reporting period
backup_lcp_bytes_written integer Number of bytes written to disk by local checkpoints and backup processes during this period
redo_bytes_written integer Number of bytes written to REDO log during this period
target_disk_write_speed integer Actual speed of disk writes per LDM thread (base data)


User Comments
User comments in this section are, as the name implies, provided by MySQL users. The MySQL documentation team is not responsible for, nor do they endorse, any of the information provided here.
Sign Up Login You must be logged in to post a comment.