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22.5.10.19 The ndbinfo disk _write _speed _aggregate _node Table
The disk_write_speed_aggregate_node table
provides aggregated information per node 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_aggregate_node 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 22.393 Columns of the disk_write_speed_aggregate_node table
| Column Name | Type | Description |
|---|---|---|
| node_id | integer | Node ID of this node |
| backup_lcp_speed_last_sec | integer | Number of bytes written to disk by backup and LCP processes in the last second |
| redo_speed_last_sec | integer | Number of bytes written to REDO log in the last second |
| backup_lcp_speed_last_10sec | integer | Number of bytes written to disk by backup and LCP processes per second, averaged over the last 10 seconds |
| redo_speed_last_10sec | integer | Number of bytes written to REDO log per second, averaged over the last 10 seconds |
| backup_lcp_speed_last_60sec | integer | Number of bytes written to disk by backup and LCP processes per second, averaged over the last 60 seconds |
| redo_speed_last_60sec | integer | Number of bytes written to disk by backup and LCP processes per second, averaged over the last 60 seconds |
Document created the 26/06/2006, last modified the 26/10/2018
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